BIO169 Final Exam Questions With
Correct Answers
A renal corpuscle is a ________, whereas a renal tubule is a ________. - answercluster of
blood capillaries and glomerular capsule; highly coiled tubule exiting the glomerular capsule
Which choice describes the countercurrent mechanism of the nep...
BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
BIO169 Final Exam Questions With
Correct Answers
A renal corpuscle is a ________, whereas a renal tubule is a ________. - answer✔✔cluster of
blood capillaries and glomerular capsule; highly coiled tubule exiting the glomerular capsule
Which choice describes the countercurrent mechanism of the nephron loop? - answer✔✔Water
moves out of the descending limb; sodium moves out of the ascending limb
When sodium ions are reabsorbed through the wall of the renal tubule by active transport,
chloride ions are - answer✔✔reabsorbed by passive transport.
Peristaltic waves force urine along the length of the ureter. - answer✔✔True
Secretion of atrial natriuretic peptide - answer✔✔increases sodium excretion
Podocytes and pedicels are part of the - answer✔✔glomerular capsule
Glomerulonephritis is inflammation of the - answer✔✔glomerular capillaries
A product of the metabolism of certain nucleic acid bases is - answer✔✔uric acid
As a consequence of widespread edema associated with nephrotic syndrome, blood volume -
answer✔✔decreases and blood pressure drops
Glomerular filtration produces about 18 liters of fluid in twenty-four hours. - answer✔✔False
A renal clearance test determines the rate at which the kidneys can - answer✔✔remove a
particular substance from the blood.
An adaptation of the epithelial cells of the proximal convoluted tubule for reabsorption is -
answer✔✔microscopic projections called microvilli.
The layers of a ureter are - answer✔✔outer fibrous coat, middle muscular coat, inner mucous
coat.
, BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
The organs of the urinary system are - answer✔✔paired kidneys, paired ureters, a bladder and a
urethra.
Parathyroid hormone increases phosphate reabsorption from the renal tubules. - answer✔✔False
Compared to the average adult male, the average adult female has - answer✔✔less water and
more adipose tissue.
Lara had a gastric band placed around her stomach, which makes it smaller and able to hold less.
How will this affect her thirst? - answer✔✔Less water is needed to satisfy her thirst
Factors that alter water balance will also alter electrolyte balance. - answer✔✔True
A researcher wants to study the different electrolytes released by the human body. Which of the
following sources should they use to gather the largest quantities of electrolyte output? -
answer✔✔Urine
Baby Britney develops a respiratory infection in both lungs. The infection causes an
accumulation of fluid in her alveoli. Which of the following describes a way her body will try to
compensate for the pH-related condition she will develop? - answer✔✔Increase rate and depth
of breathing
A person usually drinks about ________ milliliters a day. - answer✔✔1500
The thirst center in the hypothalamus is stimulated by ________ of the extracellular fluid, and is
inhibited by ________. - answer✔✔an increase in osmotic pressure; distention of the stomach by
water
You never feel thirsty even though your body frequently becomes dehydrated. Your doctor
suspects that the problem might be an imbalance or abnormality in your brain. The doctor will
want to do neuroimaging of your - answer✔✔hypothalamus
An important stimulus for the secretion of aldosterone is - answer✔✔increasing potassium ion
concentration
Water intoxication causes - answer✔✔low blood sodium
Water balance and electrolyte balance are interdependent because - answer✔✔Electrolytes are
dissolved in water
A person is experiencing severe heartburn. To compensate for their pain, they take 9 sodium
bicarbonate-based antacids, which is more than triple the recommended dosage. What condition
will they likely experience once the main ingredient of the antacid fully hydrolyzes? -
answer✔✔Metabolic alkalosis
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