A client is prescribed an optic eye medication that will mimic the action of the sympathetic nervous system. the nurse expects that this medication will: dilate the pupil.
What is sympathetic nervous system?
A network of neurons in your body called the sympathetic nervous system aids in the "fight-or-flight" reaction. When you're under stress, in danger, or engaged in physical exercise, this system becomes more active. Its effects include accelerating respiration and heart rate, enhancing vision, and slowing down bodily functions including digestion.
The sympathetic nervous system regulates the muscles that enlarge the pupil.
Question:
A client is prescribed an optic eye medication that will mimic the action of the sympathetic nervous system. The nurse expects that this medication will:
1. prepare the eye for near vision.
2. increase the ability of the eye to tear.
3. constrict the pupil.
4. dilate the pupil.
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The nurse is caring for a patient with a blood pressure of 99/56, heart rate of 89, dry mucous membranes, and flat jugular veins. which action would be most important?
A patient with blood pressure of 99/56, heart rate of 89, dry mucous membranes and flat jugular veins, indicates that he is dehydrated, the most important action is to hydrate the patient with intravenous saline
What to do in case of dehydration?Cool the patient's body if the cause is excessive heat exposure. Replace fluids orally if there is no nausea and vomiting or excessive dehydration. If not, do intravenous replacement. Do blood and urine tests to determine the causes of dehydration.
Dehydration may not be caused by underlying conditions. Some common causes are
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Neurosurgeons have severed the corpus callosum in human patients in order to reduce:_______
a. alzheimer's disease.
b. epileptic seizures.
c. neural plasticity.
d. reward deficiency syndrome.
Neurosurgeons have severed the corpus callosum in human patients in order to reduce epileptic seizures.
Corpus callosum :The corpus callosum is a substantial mass of more than 200 million myelinated nerve fibers that links and permits communication between the two hemispheres of the brain. Children who have experienced abuse have abnormalities in their corpus callosum.
Effect of cutting a person's corpus callosum down the middleThe brain must coordinate motions with both sides since each hemisphere governs the opposite side of the body. The corpus callosum serves as a conduit for this coordination. Signals cannot cross the corpus callosum, preventing communication between the two hemispheres. Serious coordination issues could result from this.
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The lowest salinity in the ocean occurs near the equator, where precipitation exceeds evaporation and the ________ biome is located?
desert
The lowest salinity in the ocean occurs near the equator, where precipitation exceeds evaporation and the desert biome is located
Water is lost by evaporation, which makes the remaining water saltier.precipitation ( which adds fresh water, thereby diluting the seawater and making it less salty)fresh (river) water influx ( which makes the seawater freezes, salts are excluded from the ice, leaving the unfrozen seawater saltier)the sea ice freezing and melting. (Salts are left out of the ice when seawater freezes, making the unfrozen seawater saltier.)Salinity is high where the world's great deserts are located. In certain regions, both on land and at sea, evaporation outpaces precipitation. Surface salinity surpasses the typical range in a confined sea, such as the Mediterranean, where there is little input of fresh water.Near the equator, there is less evaporation due to high precipitation and cold water rising from the deep sea and moving westward in the tropical eastern pacific and eastern Atlantic oceans.To learn more about biomes visit:
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Can you please answer this question I really need it today to be complete.
Answer:
Im pretty sure that it's, "Lunar Rhythm"
Explanation:
Lunar Rhythm- the regular ebb and flow of oceans and very large inland bodies of water; typically two high and two low tides occur each day (about 24.8 hours).
Answer:
A. Lunar rhythm
Explanation:
Their clocks are set by the tides of the lunar rhythm.
Area where nerve impulse is generated.
a. secretory region
b. trigger zone
c. secretory zone
d. receptive region
e. conducting region
The area where nerve impulse is generated is the (b) trigger zone.
The nerve impulse is the signal generated by any organ of the body that travels through the nerve cells. Nerve impulses are also called action potential. This is because while the transmission of the signal, there occurs a difference across the membrane potential.
Trigger zone is where a signal or a response is generated. The signal is generated due to some stimulus like touch, smell, taste, etc. In the nerve cells, this region is generally the axon hillock. At this region the chemically-regulated gates and the voltage-regulated gates meet up.
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What is the name of all the cell contents between the nucleus and the cell membrane.
Cytoplasm, the semi fluid substance of a cellular this is outside to the nuclear membrane and inner to the mobile membrane, every now and then defined because the nonnuclear content material of protoplasm.
In eukaryotes which cells having a nucleus ,the cytoplasm consists of all the organelles. There are some functions such as protects cell contents; makes touch of different cells consists of channels, transporters, receptors, enzymes and mobile identification markers, meditates the access and go out substance.
Cellular contents among the plasma membrane and nucleus, inclusive of cytosol and organelles.It includes features from all cell types. A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm.
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What did the microbiologist conclude? the hypothesis is supported because on average s. aureus was more susceptible to antibiotics than e. coli. the hypothesis is not supported because on average s. aureus was less susceptible to antibiotics than e. coli.
A microbiologist studies the microbes and the disease they cause. The bacterium that will be more responsive to antibiotic treatment will be Staphylococcus aureus.
What are antibiotics?Antibiotics are said to be the medication and drug class that works against bacterial infections. They are used to kill and slow the rate of growth or reproduction of microbes like bacteria to stop diseases or infections like flu, cold, cough, etc.
Antibiotic exposure can be used to evaluate whether the bacteria are susceptible or resistant to the drug. Staphylococcus aureus species are susceptible, thus the antibiotic therapy will prevent them from growing. Escherichia coli will grow because it is resistant, however.
Therefore, Staphylococcus aureus will become more responsive to antibiotics.
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Answer: A.
The hypothesis is supported because on average S. aureus was more susceptible to antibiotics than E. coli.
During which event of hemostasis do clotting factors (procoagulants) assist with the transformation of blood from a liquid to a gel?
coagulation stage
During coagulation stage of hemostasis do clotting factors (procoagulants) assist with the transformation of blood from a liquid to a gel.
Blood clots are created when blood coagulates, or turns from a liquid to a gel. Hemostasis, the halting of blood loss from a damaged vessel, may ensue, followed by repair.Platelets are directed to the location of the damage, while normal blood flow is kept in the uninjured parts, limiting coagulation to the affected tissue.Platelet activation, adhesion, and aggregation as well as fibrin deposition and maturation are all components of the coagulation mechanism.What are the two fundamental steps in the coagulation of blood?The intrinsic and extrinsic routes, which are two distinct but interconnected pathways, play a role in the clotting cascade. External trauma that causes blood to escape from the vascular system activates the extrinsic route. Compared to the intrinsic pathway, this pathway is faster.To learn more about coagulation visit:
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Herbivores must digest cellulose, yet they lack the enzyme cellulase required for the job. How is this challenge overcome?
The answer to the question is Microbes with the ability to breakdown cellulose live in the digestive system.
What is digestive system?The digestive system of the human body is made up of the gastrointestinal tract and additional digestive organs. In order for food to be absorbed and assimilate into the body, it must first be broken down into smaller and smaller components during digestion. Cephalic, gastric, and intestinal phases make up the three stages of the digestive process. Peristalsis is the term used to describe the rhythmic contraction of muscles that starts in the esophagus and travels down the stomach wall and the rest of the gastrointestinal tract.
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1. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as blank, blank, and blank.
Hardwoods reproduce using flowers and have broad leaves, hardwood include tree such as maple, elm and mango.
The deciduous trees that lose their leaves seasonally those trees are maple and elm. These are those plants which shows a great variety of size, form and foliage. Maple plants bear pairs of winged that is called as samaras.
Elm plant have doubly toothed and lopsided at base. It also surrounded by a flat, hairy and wing like structure that is called as samara.
Lopsided is the stage of plant in which one side is lower and smaller than the other side.
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Which conditions may result from immunoglobulin ige antibodies on mast cells reacting with antigens? one, some, or all responses may be correct.
The conditions that may result from immunoglobulin ige antibodies on mast cells reacting with antigens is allergic condition which can be acute or anaphylaxis.
Immunoglobulin IgE is the type of antibody which reacts to the allergy that occurs in the body. When any allergen like pollens enter in the body the IgE will travel to the cells called mast cells or basophils cells which releases chemicals called histamine that produces the allergic response in the body.
Sometimes the body may even react to non harmful particles like food items and pollen grains and produces immune response and inflammatory action against them.
Allergic condition are the abnormal responses of the immune system against foreign particles.
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Please please ASAP help me ..Will mark Brilliantest
Alex poured some pond water into three beakers. She then put waterweed into each beaker. She put the beakers in different places.
b. In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason for this.
Answer:
The growth of waterweed plant is higher in beaker E.
Explanation:
The growth of waterweed plant is higher in beaker E because the waterweed absorb nutrients that is provided in the form of fertilizers. Fertilizers are the nutrients that is essential for the growth of plants. Those plants that has more nutrients available can grow faster than those plants which have no nutrients or less nutrients because these nutrients provides raw material for the formation of amino acids and enzymes that contributes in the growth and development of the body.
Why it is that proline is considered to disrupt a helix but histidine does not?
Proline can disrupt the helix while histidine cannot because of their difference in side-chain structures.
Proline is different from all the other amino acids as it contains a secondary amine rather than the amino group. The side chain of the proline forms a cyclic structure among itself, thereby creating stearic hindrance. Thus, making it unsuitable for the alpha-helix. This is why proline acts as a helix breaker.
Histidine is a positively charged amino acid with an imidazole functional group. Unlike proline, the side chain of histidine does not form a cyclic structure in itself and hence it does not act as a helix breaker.
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If one or more nucleotide pairs are deleted from a dna strand, this is known as a :________
a. frameshift mutation
b. point mutation
c. missense mutation
d. silent mutation
Answer:
If one or more nucleotide pairs are deleted from a DNA strand, this is known as a :frameshift mutation
Explanation:
Due to deletion changes occur in the sequence of DNA when at least one nucleotide is removed in a gene.
The point mutation is just a type of genetic modification in which only one nucleotide base from either the DNA or RNA code of an organism is modified, added, or removed.
A missense is just a type of point mutation in biology that causes a codon to encode for a various amino acid as a consequence of a single nucleotide modification. Sickle cell disease or anaemia is an good example of this kind of mutation.
Silent mutations are the kind of mutations in which DNA can not affect the phenotype of an organism. They represent a particular kind of neutral mutation.
So, the correct option is frameshift mutation (A).
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Why is it beneficial for cells to use atp rather than energy directly from the bonds of carbohydrates? what are the greatest drawbacks to harnessing energy directly from the bonds of several different compounds?.
It is beneficial for cells to use ATP rather than energy directly from the bonds of carbohydrates because ATP effectively supplies energy, it is advantageous for cells to use it as opposed to directly using the energy contained in the bonds of carbohydrates.
Adenosine triphosphate, sometimes known as ATP, is the cellular currency of energy. Cells may quickly access them when needed and they are conveniently stored. The key benefit is that it consistently and effectively supplies energy to the body's cells.
ATP gives the cell a method for effectively managing energy. It is possible to charge, store, and use the molecule as required. Additionally, ATP hydrolysis produces a steady flow of energy.
Different amounts of energy would be delivered if energy were captured from the bonds of several different molecules also the energy driving process from the bonds of the carbohydrates will require much time and because all metabolic processes are fast the requirement of energy is needed rapidly and hence direct consumption of ATP is beneficial to cell.
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Neurotransmitters bind to __________, which are protein structures on the surface of the neuron cell membrane. a. neural receptors b. cell bodies c. impulse docks d. axon terminals please select the best answer from the choices provided a b c d
Neurotransmitters bind to option(a)i.e, neural receptors which are protein structures on the surface of the neuron cell membrane.
A neuron releases a signaling chemical called a neurotransmitter across a synaptic gap to influence another cell. Any major body component or target cell that receives the signal may be another neuron, but it could also be a gland or muscle cell. Throughout the body, a chemical messenger called a neurotransmitter carries, amplifies, and balances information between neurons (sometimes referred to as nerve cells) and target cells.
Neurotransmitters are crucial for maintaining brain function by enhancing and balancing signals in the brain. They support the regulation of physiological processes like respiration and heart rate, but they also serve psychological purposes including learning and the control of emotions like fear, pleasure, and happiness.
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Answer:
A. neural receptors
Explanation:
I got it right, hope this helps :)
What are the primary molecules making up plasma membranes in cells? group of answer choices
The primary molecules of the plasma membrane are lipids , protein , cholesterol and carbohydrates groups.
What is the plasma membrane?The plasma membrane also called the cell membrane, is the membrane found in all cells that seperate the interior of the cell from the outside environment. Plasma membrane provides protection for a cell. It also provides a fixed environment inside the cell.
The primary components of the plasma membrane are lipids , protein and carbohydrates groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made by glycerol ,two fatty acids and phosphate linked head group.
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Which of these combinations would be found in a nucleotide? adenine-thymine-uracil base-acid-salt sugar-protein-fat dna-rna-nucleus base-sugar-phosphate
The combinations found in a nucleotide would be C. - "base-sugar-phosphate"
What is a nucleotide?
Nucleotides are organic compounds made up of a phosphate and a nucleoside. They function as monomeric units of the key macromolecules found in all living forms on Earth, deoxyribonucleic acid (DNA), and ribonucleic acid (RNA), which are both nucleic acid polymers. In addition to being produced by the liver from common nutrients, nucleotides can also be received through diet.
The components of a nucleotide are a sugar molecule (either ribose in RNA or deoxyribose in DNA), a phosphate group, and a base that contains nitrogen. Adenine (A), cytosine (C), guanine (G), and thymine are the bases that are employed in DNA (T).
Question:
Which of these combinations would be found in a nucleotide?
(a) base-acid-salt
(b) adenine-thymine-uracil
(c) base-sugar-phosphate
(d) DNA-RNA-nucleus
(e) sugar-protein-fat
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When forming a semi-solid gel such as gelatin, which molecules does the process of protein coagulation entrap?.
Answer:
Explanation:
what drink has no flavor WATER
So water
Lysozyme is an enzyme that specifically recognizes bacterial polysaccharides, which renders it an effective antibacterial agent. into what classification of enzymes does lysozyme fall?
Lysozyme fall under Hydrolases in the classification of enzymes.
Lysozyme is an alkaline enzyme that belongs to the glycoside hydrolases class of enzymes. It inactivates bacteria by hydrolysing glycosidic linkages de the peptidoglycan layer of the bacterial cell wall (made of peptidoglycan). The scientific term for glycoside hydrolases is peptidoglycan N-acetylmuramoylhydrolase. FAO/WHO defines them as a polypeptide derived from hen's egg whites with 129 amino acids, a molar mass of about 14000gmol-1 and an isoelectric point of 10.7, and enzymatic activity to hydrolyse the β(1-4) linkages between N-acetylmuramic acid and N-acetylglucosamine in the outer membranes of bacterial species, particularly Gram-positive organisms, usually obtained in the hydrochloride form for food use.
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In a high-___ work system, a firm's technology, organizational structure, people, and processes work together seamlessly. this results in the firm having an advantage in the competitive environment.
Answer:performance
Explanation:
The organs for taste receptors are called __________, most of which are found associated with __________.
Answer:
taste: the receptors for taste called taste buds are situated chiefly in the tongue but they are also located in the roof of the mouth and near the pharynx
Explanation:
hope this helped!!
Describe two kernel data structures in which race conditions are possi- ble. be sure to include a description of how a race condition can occur.
Nonpreemptive kernels have a single active process at a time. Therefore, race situation scenarios are not possible in nonpreemptive kernels. If preemptive is properly designed to ensure that shared kernel data is devoid of race circumstances, it is race-free.
An illustration of a race condition is when a data structure updates a list of open files in a system when a new file is closed or opened. In this scenario, opening two files simultaneously would cause the list to receive two separate updates, which could lead to race situations.
Difference between preemptive and nonpreemptive kernaals ?It is a procedure that might be immediately changed. In comparison to non-preemptive kernels, it is more suited for real-time programming. Preemption is typically permitted, even in kernel mode. Responsive time is deterministic and is more responsive as compared to non-preemptive kernel.
It is a process that keeps running indefinitely until it has handled all execution handlers or willingly gives up the CPU. Compared to a preemptive kernel, it is less suited to real-time programming. Preemption of kernel mode processes is typically not allowed. In comparison to a preemptive kernel, response time is less responsive and nondeterministic.
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For soap molecules to remove and dissolve oil in water, what molecular features are needed?
Soap needs to possess two distinct characteristics in order to remove dissolved oil from water. It must have a charged and/or positive end at a non-polar end, I'm sorry. Each pin-shaped molecule that makes up soap has a hydrophilic head that easily forms bonds with water and a hydrophobic tail that avoids water and favors forming bonds with fats and oils.
Because it draws water, the sodium or potassium end of the chain is hydrophilic. Soap's cleansing abilities come from its distinctive structure. When your hands are unclean, it's typically because oils have drawn dirt particles to them, making them stick to your hands.
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In the formula for determining a population's genotype frequencies, the 2 in the term 2pq is necessary because?
Answer:
n the formula for determining a population's genotype frequencies, the 2 in the term 2pq is necessary because of the following reason:
Explanation:
The number of heterozygotes with in the population is increasing by a factor of two heterozygotes possessing two alleles. Or we ca also say the population is diploid. The frequency of every genotype is calculated as the proportion of the population's overall population divided by the quantity of people possessing that genotype. Since genotype, as well as allele frequencies are connected, it is crucial to distinguish between the two. Future "genomic profiling" techniques might also be employed to identify someone's chances of getting an illness or perhaps having a genetic disorder. Ethnic diversity may also be calculated using this method. . The proportion of people who share a certain genotype within a community is termed relative genotype occurrence. This can play an important role i the distribution of genetic diversity in a population.
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The type of exocrine gland in which the entire cell disintegrates, liberating any accumulated products, is the __________ gland.
The _________ gland is a specific kind of exocrine gland in which the entire cell breaks down, releasing any stored products.
What is exocrine gland?
A gland that produces and releases bodily fluids such saliva, perspiration, tears, milk, and digestive juices through a duct or other orifice to a body surface. Examples are - salivary glands, sweat glands, mammary glands, etc.
Holocrine gland cells disintegrate, liberating any accumulated products.
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The molecular clock has limited usefulness for estimating divergence times among species in part due to the saturation of dna sequences. This occurs because.
(D) in highly diverged lineages, substitutions will occur at sites that have been substituted previously is the reason why the molecular clock has limited usefulness for estimating divergence times among species in part due to the saturation of dna sequences.
The number of modifications or mutations that have taken place in a lineage of organisms' DNA or protein sequences is represented by the frequency of a molecular clock. It can be used to determine roughly when two lineages split apart historically.
However, in highly diverse lineages, alterations could take place more more once for a specific spot (i.e., those lineages that were divided extremely far back in evolutionary time). Therefore, it won't be helpful for estimating divergence times among species, in part due to the saturation of DNA sequences.
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Question correction:
The molecular clock has limited usefulness for estimating divergence times among species in part due to the saturation of DNA sequences. This occurs because
A. DNA sequences are unable to revert back to previous allelic states.
B. the variation in the substitution rate between closely related lineages prevents accurate estimation of divergence time.
C. variation in population sizes among lineages changes the effect of genetic drift.
D. in highly diverged lineages, substitutions will occur at sites that have been substituted previously.
Bacterial endospores are protected from chemicals and various lytic enzymes due to the presence of the spore layer called the?
Bacterial endospores are protected from chemicals and various lytic enzymes due to the presence of the spore layer called the Coat
What is Endospores ?Spores known as endospores are produced inside of cells, primarily in bacteria. These spores are produced by vegetative or mother cells of bacteria called sporangia. Bacteria are protected from harmful environmental factors such nutritional shortage (carbon and nitrogen) and overcrowding by endospores.
Endospores can develop in a variety of locations within the vegetative cell. They could be terminal, central, or subterminal. There are central endospores in the vegetative cell's centre. Towards the conclusion of the vegetative cell are the terminal endospores.Endo means "inside," hence the name "endospore" suggests a spore or seed-like structure, yet it is not a true spore (i.e., not an offspring).Learn more about Endospores here:
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Which cytoskeletal structures may be linked to an inability to contract and relax the muscle?
The cytoskeletal structure linked to an inability to contract and relax the muscle is actin.
What's a cytoskeleton?Network of fibres that form the framework or infrastructure of most animal cells are called cytoskeletons. They consist of a complex network of proteins that help in cell movement and stabilize the cell.
What is Actin?Actin is a globular, multifunctional protein found in the myofibril of muscle tissues of all eukaryotic cells. Actin takes part in many cellular functions like cell division, cytokinesis, cell mobility and establishment of cell shape. Most importantly, it is necessary for muscular contraction.
Infection, inflammation and mutations in the genes that regulate the production of actin leads to an inability to contract and relax the muscle.
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What type of bonds occur in tertiary and quaternary structures to cause a ""globular"" look?.
The types of bonds that occur in tertiary and quaternary structures to cause a ""globular"" look are: non-covalent bonds and one covalent bond which is disulfide bond.
The quaternary structure of the protein is formed when two or more subunits are joined together. These subunits individually have their own primary, secondary and tertiary structures. The example of protein exhibiting a quaternary structure is hemoglobin.
Non-covalent bonds are those that occur only between the molecules and not between the atoms of a molecule. There are various types of non-covalent bonds. These are: hydrogen bonds, ionic bonds, Van der Waals forces, etc.
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