W7 - Phys 261 – WCU questions well
answered to pass
A runner drank a lot of water during a race. What is the expected path of the extra filtered
water molecules? - correct answer ✔✔ 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 - correct answer ✔✔ 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? - correct answer ✔✔ 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 - correct answer ✔✔ urinary and cardiovascular.
The hormone vasopressin - correct answer ✔✔ stimulates the kidneys to retain water.
The __________ limb of the loop of Henle is permeable only to __________, which are
reabsorbed all along the length because the fluid outside is __________ concentrated deeper in
the medulla. - correct answer ✔✔ descending; water molecules; more
, The osmolarity in the bottom of the loop of Henle is ________ mOsM. - correct answer ✔✔
1200
Two hours before major surgery, the patient is stressed, with increased heart rate and blood
pressure. These symptoms are the result of - correct answer ✔✔ sympathetic activation.
The most important factor affecting the pH of plasma is the concentration of - correct answer
✔✔ carbon dioxide.
The primary role of the carbonic acid-bicarbonate buffer system is to - correct answer ✔✔
prevent pH changes caused by organic and fixed acids.
A patient had an opioid overdose causing respiratory depression. Which would you expect for
kidney compensation? - correct answer ✔✔ Increased hydrogen ion excretion and increased
bicarbonate ion reabsorption
Which is the sequence of layers from the lumen to the outer wall of the digestive tract? -
correct answer ✔✔ mucosa, submucosa, muscularis externa, serosa
What is the first area that food contacts as it moves from the stomach to the small intestines? -
correct answer ✔✔ Duodenum
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 - correct answer ✔✔ motilin - acid in the stomach
answered to pass
A runner drank a lot of water during a race. What is the expected path of the extra filtered
water molecules? - correct answer ✔✔ 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 - correct answer ✔✔ 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? - correct answer ✔✔ 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 - correct answer ✔✔ urinary and cardiovascular.
The hormone vasopressin - correct answer ✔✔ stimulates the kidneys to retain water.
The __________ limb of the loop of Henle is permeable only to __________, which are
reabsorbed all along the length because the fluid outside is __________ concentrated deeper in
the medulla. - correct answer ✔✔ descending; water molecules; more
, The osmolarity in the bottom of the loop of Henle is ________ mOsM. - correct answer ✔✔
1200
Two hours before major surgery, the patient is stressed, with increased heart rate and blood
pressure. These symptoms are the result of - correct answer ✔✔ sympathetic activation.
The most important factor affecting the pH of plasma is the concentration of - correct answer
✔✔ carbon dioxide.
The primary role of the carbonic acid-bicarbonate buffer system is to - correct answer ✔✔
prevent pH changes caused by organic and fixed acids.
A patient had an opioid overdose causing respiratory depression. Which would you expect for
kidney compensation? - correct answer ✔✔ Increased hydrogen ion excretion and increased
bicarbonate ion reabsorption
Which is the sequence of layers from the lumen to the outer wall of the digestive tract? -
correct answer ✔✔ mucosa, submucosa, muscularis externa, serosa
What is the first area that food contacts as it moves from the stomach to the small intestines? -
correct answer ✔✔ Duodenum
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 - correct answer ✔✔ motilin - acid in the stomach
