Voluntary control of micturition involves controlling somatic motor input to the muscles of the external urethral sphincter.
Indicate whether the statement is true or false.
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Question 2) The spinal reflex for micturition involves stretch receptors in the wall of the bladder that send messages about distension to sympathetic, parasympathetic, and motor neurons in the spinal cord.
Indicate whether the statement is true or false.
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Question 3) Large amounts of protein in a person's urine indicate that the person is eating a high-protein diet.
Indicate whether the statement is true or false.
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Question 4) In healthy individuals, the amount of glucose present in urine will be virtually zero because the amount of glucose reabsorption from the filtrate back into the blood prevents excretion.
Indicate whether the statement is true or false.
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Question 5) The filtered load of water in an average person is approximately 180 L/day.
Indicate whether the statement is true or false.
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Question 6) Water, sodium, and glucose all undergo tubular reabsorption, but urea does not.
Indicate whether the statement is true or false.
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Question 7) The kidneys regulate the plasma concentrations of water, sodium, and glucose.
Indicate whether the statement is true or false.
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Question 8) If water intake (ingestion) is decreased, the kidney can decrease the amount of water excreted in urine by increasing the amount of water reabsorbed at the renal corpuscle.
Indicate whether the statement is true or false.
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Question 9) Only substances that are filtered by the kidneys can be excreted by them.
Indicate whether the statement is true or false.
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Question 10) The anatomic arrangement of juxtamedullary nephrons in the kidneys is such that the glomerulus, proximal tubule, and distal convoluted tubule are in the renal cortex, while the loop of Henle and collecting ducts lie mainly in the renal medulla.
Indicate whether the statement is true or false.
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