W7 - PHYS 261 – WCU QUESTIONS & ANSWERS
A runner drank a lot of water during a race. What is the expected path of the extra
filtered water molecules? - Answers -Afferent arteriole, glomerulus, nephron tubule,
collecting duct
Put the following in order from where urine is produced to where it exits the body:
1.Urethra
2.Urinary bladder
3.Nephron
4.Ureter - Answers -3, 4, 2, 1
If all glucose is normally reabsorbed in the proximal tubule of the nephron, why do
people with diabetes have glucose in their urine? - Answers -The plasma
concentration is greater than the renal threshold.
The two organ systems that work together to regulate most aspects of the body's water
balance are - Answers -urinary and cardiovascular.
The hormone vasopressin - Answers -stimulates the kidneys to retain water.
The release of many GI tract hormones is stimulated by a particular food or substance.
Which hormone is NOT paired with its stimulus?
gastrin - peptides and amino acids
GIP - glucose in the small intestine
CCK - fatty foods
secretin - acid in the small intestine
motilin - acid in the stomach - Answers -motilin - acid in the stomach
G cells of the stomach secrete - Answers -gastrin.
In terms of chemical digestion of organic molecules, the stomach mainly digests
__________. - Answers -proteins
An enzyme that will digest proteins into amino acids is - Answers -carboxypeptidase
Bile salts aid in the digestion of fats by ________ large fat droplets. - Answers -
emulsifying
During defecation, - Answers -distension in the rectal wall activates a spinal reflex.
A patient took high doses of antibiotics to help fight a bacterial infection. However, this
treatment also killed helpful bacteria in the gastrointestinal tract. Which of the following
would you expect? - Answers -Decreased digestion of complex carbohydrates and
decreased vitamin K, leading to clotting problems
A runner drank a lot of water during a race. What is the expected path of the extra
filtered water molecules? - Answers -Afferent arteriole, glomerulus, nephron tubule,
collecting duct
Put the following in order from where urine is produced to where it exits the body:
1.Urethra
2.Urinary bladder
3.Nephron
4.Ureter - Answers -3, 4, 2, 1
If all glucose is normally reabsorbed in the proximal tubule of the nephron, why do
people with diabetes have glucose in their urine? - Answers -The plasma
concentration is greater than the renal threshold.
The two organ systems that work together to regulate most aspects of the body's water
balance are - Answers -urinary and cardiovascular.
The hormone vasopressin - Answers -stimulates the kidneys to retain water.
The release of many GI tract hormones is stimulated by a particular food or substance.
Which hormone is NOT paired with its stimulus?
gastrin - peptides and amino acids
GIP - glucose in the small intestine
CCK - fatty foods
secretin - acid in the small intestine
motilin - acid in the stomach - Answers -motilin - acid in the stomach
G cells of the stomach secrete - Answers -gastrin.
In terms of chemical digestion of organic molecules, the stomach mainly digests
__________. - Answers -proteins
An enzyme that will digest proteins into amino acids is - Answers -carboxypeptidase
Bile salts aid in the digestion of fats by ________ large fat droplets. - Answers -
emulsifying
During defecation, - Answers -distension in the rectal wall activates a spinal reflex.
A patient took high doses of antibiotics to help fight a bacterial infection. However, this
treatment also killed helpful bacteria in the gastrointestinal tract. Which of the following
would you expect? - Answers -Decreased digestion of complex carbohydrates and
decreased vitamin K, leading to clotting problems
