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Oluwafikayo A.Ogunti

Physiology week 7-13

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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