The main hormone that acts on the kidneys to regulate sodium ion concentration of the extracellular fluid (ECF) is ________
A) antidiuretic hormone (ADH)
B) renin
C) secretin
D) aldosterone
E) epinephrine
D
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As blood travels through the venous system toward the heart, why do the veins become larger in diameter?
A) The transition causes the resistance to increase further so that the flow rate of blood increases. B) The transition causes the resistance to decrease further so that the flow rate of blood increases. C) The transition causes the resistance to decrease further so that the flow rate of blood decreases. D) The transition causes the resistance to increase further so that the flow rate of blood decreases. E) The transition reflects no change in the resistance, but causes the flow rate of blood to increase.
A stroke is a
a. cerebrovascular accident b. glucose deficiency c. loss of the myelin sheath d. neurotransmitter deficiency e. uncontrolled firing of neurons
The olfactory area of the cerebrum is located in the
A. temporal lobe. B. frontal lobe. C. insula. D. parietal lobe.
Select all the brain areas containing autonomic nuclei involved in controlling respiration (breathing).A) PonsB) Medulla oblongataC) MidbrainD) Cerebellum
What will be an ideal response?