BIO 272 URINARY EXAM QUESTIONS
AND ANSWERS
Which of the following is NOT a function of the urinary system? - Correct Answers -
Synthesizing vitamins
Which of the following are wastes removed by the kidneys? Choose BOTH that apply. -
Correct Answers -large doses of creatnine, uric acid produced by breaking down
proteins
Which organ stores the urine until urination? - Correct Answers -bladder
List the structures of the urinary system that the filtrate/urine passes through in order. -
Correct Answers -glomerulus, capsular space, PCT, nephron loop descending limb,
nephron loop ascending limb, DCT, collecting duct, minor calyx, major calyx, renal
pelvis, ureter, bladder, internal urethral sphincter, urethra, external urethral sphincter,
more urethra, external urinary orfice
Which part of the renal tubule carries the urine through the medulla to the minor calyx? -
Correct Answers -collecting duct
What are the main sources of water for the body? Choose BOTH that apply. - Correct
Answers -drinking and eating
Breathing too quickly (hyperventilation) may lead to ___. - Correct Answers -respiratory
alkalosis
Which of the following is NOT a way that water is lost from the body? - Correct Answers
-eating
What causes the release of aldosterone? Choose BOTH that apply. - Correct Answers -
High K+, low Na+
What does a diuretic do? - Correct Answers -increase urine output
How does antidiuretic hormone (ADH) increase water reabsorption? - Correct Answers -
ADH increases the number of aquaporin channels in the DCT and collecting duct.
AND ANSWERS
Which of the following is NOT a function of the urinary system? - Correct Answers -
Synthesizing vitamins
Which of the following are wastes removed by the kidneys? Choose BOTH that apply. -
Correct Answers -large doses of creatnine, uric acid produced by breaking down
proteins
Which organ stores the urine until urination? - Correct Answers -bladder
List the structures of the urinary system that the filtrate/urine passes through in order. -
Correct Answers -glomerulus, capsular space, PCT, nephron loop descending limb,
nephron loop ascending limb, DCT, collecting duct, minor calyx, major calyx, renal
pelvis, ureter, bladder, internal urethral sphincter, urethra, external urethral sphincter,
more urethra, external urinary orfice
Which part of the renal tubule carries the urine through the medulla to the minor calyx? -
Correct Answers -collecting duct
What are the main sources of water for the body? Choose BOTH that apply. - Correct
Answers -drinking and eating
Breathing too quickly (hyperventilation) may lead to ___. - Correct Answers -respiratory
alkalosis
Which of the following is NOT a way that water is lost from the body? - Correct Answers
-eating
What causes the release of aldosterone? Choose BOTH that apply. - Correct Answers -
High K+, low Na+
What does a diuretic do? - Correct Answers -increase urine output
How does antidiuretic hormone (ADH) increase water reabsorption? - Correct Answers -
ADH increases the number of aquaporin channels in the DCT and collecting duct.
