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Monica del Castillo
Physiology week 7-13
Question | Answer |
---|---|
If the dorsal root ganglia of the spinal nerve were destroyed, a person would lose _______ related to that pathway. a. sensory perception b. willed movment c. only reflex activity d. both reflex activity and senation | a. sensory perception |
A child was frightened by a large dog. The pupils of the eye's became dilated, and the heart and respiratory rates increased. These symtoms were caused by stimulation of: a. the parasympathetic nervous system b. the sympathetic nervous system | the sympathetic nervous system. |
The cerebrospinal fluid circulates through the ventricles, into the central canal and ___, and it is absorbed back into the blood. a. subarachnoid space b. choroid plexuses c. spinal cord d. Intraventricular foramen | a. Subarachnoid space. |
T/F: The pregangilonic neurons of both the sympathetic and parasympathetic divisions are cholinergic. | True |
which is not a function of the hypothalamus? a. production of hormones b. "Go between" the psych and the soma c. Apetite center d. Regulation of motor activity | regultion of motor activity |
Which of the following is not regulated process associated with the functionng of the respiratory system? a. transport of gases b. gas exchange int he lungs and tissue c. control of cell meatabolism rate c. pulmonary ventilation. | a. control of rhe cell membrane rate |
The mechanisms of which three hormones work together to regulate blood volume? | Aldosterone, ANH, and ADH |
A decrease in the amount of white blood cells is called a. Leukocytosis b. Leukopenia c. Differential white blood cells d. Homestasis | b.Leukopenia |
Factors that affect the strength of myocardial contraction are called -inotropic factors -chronotropic factors -ejection fraction -cardiac afterload factors | inotropic factors |
what are the critical components to coagulation? | Prothombin, thrombin, fibrinogen, and fibrin |
inhibition of sympathetic vasoconstrictor impulses is considered a major mechansim of: a. vasoconstrinction b. vasodilation c. vasopressure d. vasomotor control | b. vasodilation |