The difference between systolic pressure and diastolic pressure is called
Korotkoff sounds.
minute volume.
pulse pressure.
pressure gradient.
The Correct Answer is C
A. Korotkoff sounds: These are the sounds heard through a stethoscope when measuring blood pressure manually.
B. minute volume: This is the volume of blood the heart pumps in one minute.
C. pulse pressure: This is the correct term for the numerical difference between the systolic and diastolic readings (e.g., 120 - 80 = 40 mmHg).
D. pressure gradient: This describes the difference in pressure between two distinct points in the circulatory system that allows blood to flow.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Prostate: There is only one prostate gland. It is a single, donut-shaped gland that surrounds the urethra.
B. Seminal vesicle: These are paired glands (one on each side) located behind the bladder.
C. Bulbourethral gland: These are paired, pea-sized glands located below the prostate.
D. Cowper gland: This is simply another name for the bulbourethral gland, which is paired.
Correct Answer is D
Explanation
A. The cell membrane is permeable to Na+ but impermeable to K+ ions: This is the opposite of reality; the resting membrane is much more permeable to K+.
B. The outer surface of the plasma membrane has a negative charge: At rest, the outside of the membrane is positively charged relative to the inside.
C. The highest concentration of K is extracellular: K+ is primarily an intracellular ion, while Na+ is primarily extracellular.
D. The sodium pump has moved Na to the outside of the plasma membrane: The Na+/K+ pump actively maintains the resting potential by pumping sodium out of the cell.
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