The descending limb of the nephron loop ________.
A) is not permeable to water
B) is freely permeable to sodium and urea
C) contains fluid that becomes more concentrated as it moves down into the medulla
D) pulls water by osmosis into the lumen of the tubule
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Question 2) The ________ artery lies on the boundary between the cortex and medulla of the kidney.
A) interlobar
B) cortical radiate
C) arcuate
D) lobar
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Question 3) Blood acidity results in depression of the CNS, whereas blood alkalosis results in overexcitement of the CNS.
Indicate whether the statement is true or false
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Question 4) Which of the choices below is not a function of the urinary system?
A) helps maintain homeostasis by controlling the composition, volume, and pressure of blood
B) maintains blood osmolarity
C) regulates blood glucose levels and produces hormones
D) eliminates solid, undigested wastes and excretes carbon dioxide, water, salts, and heat
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Question 5) Explain how an angiotensin converting enzyme inhibitor (ACE inhibitor) such as captopril would be effective as an antihypertensive.
What will be an ideal response
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Question 6) Thirst is always a reliable indicator of body water need.
Indicate whether the statement is true or false
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Question 7) Prolonged hyperventilation can cause alkalosis.
Indicate whether the statement is true or false
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Question 8) Respiratory acidosis results when lungs are obstructed and gas exchange is inefficient.
Indicate whether the statement is true or false
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Question 9) The kidneys are stimulated to produce renin ________.
A) when the pH of the urine decreases
B) when the specific gravity of urine rises above 1.10
C) when the peritubular capillaries are dilated
D) by a decrease in the blood pressure
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Question 10) A 58-year-old woman complains of loss of urine when coughing and sneezing, and during exercise. She has had three children. Describe the possible causes of urinary incontinence in this patient.
What will be an ideal response
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