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Amy Chavez

PHYSIOLOGY Week 7-13

QuestionAnswer
Severe depression can be caused by a deficit in certain brain synapses of: a)acetylcholine b)amines c)amino acids d) neuropeptides B. AMINES
A membrane that exhibits a membrane potential is said to be a) multipolarized b) bipoloarized c) unipolarized d) polarized D. POLARIZED
Parasympathetic stimulation has no effect on any of the following areas except: a)sweat glands b) skin blood vessels c) the liver d)the urinary bladder A. SWEAT GLANDS
Which of the following is a description of the principle of autonomic antagonism as it relates to the autonomic nervous system? If sympathetic impulses tend to stimulate an effector, parasympathetic impulses tend to inhibit it.
What is the function of glucagon? Tends to increase blood glucose concentrations
The last step in the nonsteroid hormone mechanism of action is: protein kinases activate other enzymes
Which of the following statements are NOT true of the pineal gland? a) it is located on the dorsal aspect of the diencephalon b) melatonin is stimulated by the presence of sunlight c)It produces melatonin d)All of the above are true D. ALL OF THE ABOVE ARE TRUE
During pregnancy, what happens to the oxygenated blood retun from the placenta via the umbilical vein? It flows into the inferior vena cava
Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: hematopoietic stem cells
The vital capacity equal to the sum of the inspiratory reserve volume, tidal volume, and expiratory reserve volume.
External respiration can be defined as pulmonary ventilation, the exchange of gases between the lung and the blood capillaries in the lung
The sensors that provide feedback information to the medullary rhyhmicity area are the central chemoreceptos and peripheral chemoreceptors.
In what fomrm does oxygen travel in the blood? dissolved oxygen in the plasma associated with hemglobin
Created by: chave050
 

 



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