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Oluwafikayo A.Ogunti
Physiology week 7-13
| Question | Answer |
|---|---|
| Which of the following is not one of the main chemical classes of neurotransmitters? | Triglycerides |
| Within the nervous system, coding for the strength of a stimulus is accomplished through: | the frequency of nerve impulses |
| Dopamine, epinephrine, and norepinephrine are classified as: | catecholamines |
| The cerebellum performs all of the following functions except: | controls cardiac function |
| The vomiting reflex is mediated by the: | medulla |
| Sympathetic responses generally have widespread effects on the body because: | preganglionic fibers synapse with several postsynaptic fibers |
| The spinal tract that is located in the side of the cord, originates in the brain, and terminates in the spinal cord is the _____ tract. | lateral corticospinal |
| The receptors responsible for sensing crude and persistent touch are the: | Ruffini corpuscles |
| The last step in the nonsteroid hormone mechanism of action is | protein kinases activate other enzymes |
| When you are looking at a large green field, which cones would be sending the green wavelength to the brain? | M |
| The term used to describe the collection of mechanisms that influence the circulation of blood is | hemodynamics |
| Inhibition of sympathetic vasoconstrictor impulses is considered a major mechanism of | vasodilation |
| The mechanisms of which three hormones work together to regulate blood volume? | aldosterone, ANH, and ADH |
| The heart begins beating in the fetus at about what stage of development? | after about 4 weeks |
| The primary organ of the lymphatic system is the | thymus |
| Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the | lymphocytes |
| Which organ has several functions, including defense, hematopoiesis, red blood cell and platelet destruction, and blood reservoir? | spleen |
| Which of the following would have the greatest accelerating effect on the dissociation of oxygen from hemoglobin? | Decreased PO2 and increased PCO2 |
| Which of the following is not one of the openings that must be blocked when food moves from the pharynx into the esophagus? | Oropharynx |
| The process of swallowing is known as: | deglutition |
| The purpose of peristalsis is to: | propel food forward along the GI tract. |
| Hydrolysis refers to: | using water to split larger compounds into smaller ones. |
Created by:
Fikayoakin
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