The study of the general form and superficial markings of an organism is called ________ anatomy
A) gross
B) surface
C) systemic
D) regional
E) surgical
B
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Raynaud's disease ________.
A) is characterized by exaggerated vasoconstriction in the extremities B) is induced by heat stress C) occurs primarily in association with injury to the spinal cord D) is frequently life threatening
When a person rises quickly from a lying position, there is
A. an increase in vasomotor sympathetic stimulation to the blood vessels causing vasoconstriction. B. reflexive slowing of the heart. C. an increase of parasympathetic stimulation of the heart. D. a decrease in heart rate and stroke volume. E. an increase in the frequency of action potentials produced by the baroreceptors.
During pregnancy, the hormone relaxin will increase the flexibility of the pubic symphysis and of ligaments of the pelvic bones that will allow expansion of the pelvic outlet during delivery of the baby
a. true b. false
Which of these three paracrine chemicals cause vasodilation?
a)ATP b)adenosine d)nitric oxide