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Physiology Final

A term commonly used as a synonym for action potential is nerve impulse
Whether an impulse is continued through the neuron depends on the magnitude of the voltage in the axon hillock. True Or False? true
Which membrane receptor acts to directly change ion permeability when stimulated? Gated-channel receptor
A reflex consists of either a muscle contraction or a muscle stretch. muscle relaxation. glandular secretion. glandular excretion. glandular secretion.
The most numerous cerebral tracts are the projection tracts. association tracts. commissural tracts. cerebral nuclei. association tracts
Another name for the parasympathetic nervous system is the nervous system. thoracolumbar craniosacral visceral cholinergic craniosacral
the last step in the nonsteroid hormone mechanism of action is: joining with the G protein on the cell membrane. protein kinases activate other enzymes. adenyl cyclase is activated. cAMP is formed. protein kinases activate other enzymes.
In comparison with the nervous system, the regulatory effects of the endocrine system are: rapid to appear but short-lived. slow to appear but long-lasting. rapid to appear and long-lasting. slow to appear and short-lived. slow to appear but long-lasting.
The major hormone produced by the corpus luteum is: progesterone. estrogen. LTH. chorionic gonadotropin. progesterone
Cardiac output is determined by stroke volume and heart rate
The term used to describe the collection of mechanisms that influence the circulation of blood is: hemodynamics
The physiological mechanism that dissolves clots is known as fibrinolysis
Which organ has several functions, including defense, hematopoiesis, red blood cell and platelet destruction, and blood reservoir? spleen
Lymphatics in the villi of the small intestines are called lacteals
The primary organ of the lymphatic system is the thymus
The exit of the bicarbonate ion from the red blood cell is balanced by the inward transport of another negative ion, chloride. This countertransport of negative ions is often called the _____ shift. chloride
Which oxygen-binding protein helps move oxygen out of the blood and into muscle cells? myoglobin
An increase in carbon dioxide in the blood causes a drop in pH in the blood.
Created by: user-1990807
 

 



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