Glucose is usually completely reabsorbed from the filtrate by the time the filtrate has reached the
A. tip of the loop of Henle.
B. end of the collecting duct.
C. end of the distal convoluted tubule.
D. end of the proximal convoluted tubule.
E. beginning of the proximal convoluted tubule.
(
Question 2) Water reabsorption by the renal tubules uses
A. active transport.
B. cotransport.
C. solvent drag.
D. osmosis.
E. None of these choices is correct.
(
Question 3) In the myogenic mechanism of autoregulation, what is the response to an increase in blood pressure in the afferent arteriole?
A. constriction of the glomerulus
B. dilation of the afferent arteriole
C. dilation of the efferent arteriole
D. constriction of the afferent arteriole
(
Question 4) When sodium is actively transported from tubular cells to the interstitial fluid,
A. no energy is needed.
B. glucose and amino acids are countertransported at the same time.
C. Na+ concentration gradient is established between the tubule lumen and tubule cell.
D. water is countertransported by carrier molecules.
E. water is secreted.
(
Question 5) What is the effect of intense sympathetic stimulation on the GFR?
A. GFR increases
B. GFR decreases
C. GFR is not affected
D. GFR increases, then decreases
(
Question 6) The proximal convoluted tubule is
A. lined with epithelial cells that lack microvilli.
B. the site of glucose and amino acid reabsorption.
C. permeable to water if ADH is present.
D. impermeable to water.
E. the site of water secretion.
(
Question 7) Most water is reabsorbed from the filtrate in the
A. proximal convoluted tubule.
B. descending loop of Henle.
C. ascending loop of Henle.
D. distal convolute tubule.
E. collecting duct.
(
Question 8) Substances that are cotransported into proximal convoluted tubule cells include
A. urea with water.
B. potassium with amino acids.
C. amino acids with bicarbonate ions.
D. glucose molecules with sodium ions.
E. chloride with potassium.
(
Question 9) Decreased blood colloid osmotic pressure affects renal function by
A. increasing net filtration pressure.
B. increasing capsular pressure.
C. increasing glomerular capillary pressure.
D. increasing blood pressure in the afferent arteriole.
E. None of these choices is correct.
(
Question 10) The movement of fluid into Bowman's capsule is opposed by
A. filtration pressure.
B. capsular hydrostatic pressure.
C. glomerular capillary pressure.
D. osmotic pressure of the medulla of the kidney.
E. blood pressure.
Quick Reply
