Which of the following effectors would NOT be activated as described below in response to hypovolemic shock?
a) Adrenal cortex releases aldosterone.
b) Kidneys conserve salt and water.
c) Heart rate increases.
d) Systemic arterioles vasodilate.
e) Heart contractility increases.
d
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The major function of the sarcoplasmic reticulum in muscle contraction is to ________.
A) make and store phosphocreatine B) synthesize actin and myosin myofilaments C) provide a source of myosin for the contraction process D) regulate intracellular calcium concentration
Increasing levels of thyroid hormone cause ________
A) inhibition of TRH and stimulation of TSH B) stimulation of TRH and TSH C) inhibition of TRH and TSH
The posterior one-quarter of the pituitary gland is called the __________.
Fill in the blank(s) with the appropriate word(s).
Petechiae are a symptom of
A) anemia. B) thrombocytopenia. C) hemophilia. D) leukemia.