Which of the following occurs when blood volume and pressure become too high?
The renal tubules reabsorb more water.
The kidneys produce less urine.
ADH release is inhibited.
The renal tubules reabsorb more sodium.
The Correct Answer is C
A. The renal tubules reabsorb more water. If blood volume and pressure are too high, the body would aim to reduce them, not increase them further. Reabsorbing more water would increase blood volume.
B. The kidneys produce less urine. To lower blood volume and pressure, the kidneys would increase urine production, not decrease it.
C. ADH release is inhibited: ADH (antidiuretic hormone) promotes water reabsorption in the kidneys, leading to increased blood volume and pressure. When blood volume and pressure are too high, the body inhibits ADH release to promote water excretion and lower blood volume and pressure.
D. The renal tubules reabsorb more sodium. Reabsorbing more sodium would lead to water retention, increasing blood volume and pressure, which is the opposite of what the body needs when blood volume and pressure are already high.
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Correct Answer is D
Explanation
A. Metabolic water; cutaneous transpiration: Metabolic water refers to the water produced during metabolic processes within the body. However, most body water intake comes from drinking fluids, not metabolic water.
B. Drinking; cutaneous transpiration and expired air: While drinking is indeed the main source of water intake, the greatest loss of water from the body is through urine, not cutaneous transpiration and expired air.
C. Drinking; radiation: While drinking is the primary source of water intake, radiation is not a significant way the body loses water.
D. Drinking; urine: Drinking fluids is the main source of water intake, and urine excretion is the primary way the body loses water.
Correct Answer is D
Explanation
A. To the lining of the uterine tube: If an embryo attaches to the uterine tube, it results in an ectopic pregnancy, which is not typical or safe.
B. To the myometrium: The myometrium is the muscular layer of the uterus and is not the usual site of embryo attachment.
C. To the perimetrium: The perimetrium is the outermost layer of the uterus and is not involved in embryo implantation. This is incorrect.
D. To the endometrium: The endometrium is the inner lining of the uterus, where the embryo typically implants and attaches. This is the correct answer.