The prefix a- means _____.?
A) ?process of
B) ?without
C) ?excessive
B
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During the course of a ride on a roller coaster, what would be FALSE regarding your heart?
A. An increase in heart rate B. A decrease in the slope of the pacemaker potential C. An increase in the rate of cross-bridge cycling in ventricular muscle cells D. An increase in the amount of Ca2+ entering cardiac muscle cells E. A decrease in the duration of systole
Which of the following is a deep vein of the forearm?
A) azygos B) hemiazygos C) cephalic D) radial E) basilic
Answer the following statements true (T) or false (F)
1. Aldosterone stimulates the reabsorption of sodium while enhancing potassium secretion. 2. Pressure diuresis decreases blood volume and blood pressure. 3. Aldosterone is secreted in response to low extracellular potassium. 4. To remain properly hydrated, water intake must equal water output. 5. The main way the kidney regulates potassium ions is to excrete them.
What are the three segments of the male urethra?
a) prostatic urethra b) internal urethra c) spongy urethra d) membranous urethra e) external urethra