BIO169 Final Exam (Answered) 193
Questions and Correct Answers. 100%
Correct With Complete Solution.
2024/2025.
A renal corpuscle is a ________, whereas a renal tubule is a ________.
cluster of blood capillaries and glomerular capsule; highly coiled tubule exiting the glomerular capsule
Which choice describes the countercurrent mechanism of the nephron loop?
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
reabsorbed by passive transport.
Hemodialysis involves
an artificial kidney
Peristaltic waves force urine along the length of the ureter.
True
Secretion of atrial natriuretic peptide
increases sodium excretion
Podocytes and pedicels are part of the
glomerular capsule
Glomerulonephritis is inflammation of the
glomerular capillaries
A product of the metabolism of certain nucleic acid bases is
uric acid
As a consequence of widespread edema associated with nephrotic syndrome, blood volume
decreases and blood pressure drops
Glomerular filtration produces about 18 liters of fluid in twenty-four hours.
False
, A renal clearance test determines the rate at which the kidneys can
remove a particular substance from the blood.
An adaptation of the epithelial cells of the proximal convoluted tubule for reabsorption is
paired kidneys, paired ureters, a bladder and a urethra.
Parathyroid hormone increases phosphate reabsorption from the renal tubules.
False
Compared to the average adult male, the average adult female has
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?
Less water is needed to satisfy her thirst
Factors that alter water balance will also alter electrolyte balance.
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?
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?
Increase rate and depth of breathing
A person usually drinks about ________ milliliters a day.
1500
The thirst center in the hypothalamus is stimulated by ________ of the extracellular fluid, and is
inhibited by ________.
an increase in osmotic pressure; distention of the stomach by water
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