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ANSC 415 EXAM3 200 QUESTIONS AND CORRECT ANSWERS LATEST UPDATE ALREADY GRADED A+
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ANSC 415 EXAM3 200 QUESTIONS AND CORRECT ANSWERS 2024-2025 LATESTUPDATE ALREADY GRADED A+
Muscles showing an increase in the size of their individual muscle fibers are said to have undergone: a.
atrophy.
b. treppe.
c. hypertrophy.
d. gangrene. - answer-c
An increase in the number of muscle fibers is called:
a. atrophy.
b. hypertrophy.
c. hyperplasia. - answer-c
What prevents the backflow of urine from the bladder into the ureters?
a. Angle of ureter entrance at the ureterovesicular junction
b. A discrete muscular sphincter
c. Constant peristaltic waves toward the bladder
d. There is nothing to prevent it. - answer-a
Which one of the following structures conveys urine from the renal pelvis to the urinary bladder? a.
Urethra
b. Distal tubule
c. Ureter
d. Loop of Henle - answer-c
A heart-shaped kidney is characteristic of:
a. dogs.
b. horses.
c. pigs.
,d. cattle. - answer-b
Innervation to the kidneys is provided by:
a. sympathetic division of autonomics.
b. parasympathetic division of autonomics.
c. cranial nerves.
d. spinal nerves. - answer-a
Which one of the following nephron parts is first encountered by blood entering from the afferent
arteriole?
a. Bowman's capsule
b. Glomerulus
c. Proximal convoluted tubule
d. Loop of Henle - answer-b
Where would one expect to find the lowest hydrostatic pressure?
a. Glomerulus
b. Peritubular capillaries
c. Renal vein
d. Renal artery - answer-c
The composition of glomerular filtrate is the same as tubular fluid. a.
True
b. False - answer-b
Which one of the following measurements would be the least at any one time?
a. Renal plasma flow
b. Renal blood flow
c. Glomerular filtration rate - answer-c
,The counterpart to the venous end of a muscle capillary (favors reabsorption) would be the: a.
glomerulus.
b. peritubular capillaries .
c. vasa recta.
d. renal vein. - answer-b
Renin secretion in response to detection by macula densa cells of reduced [Na+] leads to: a.
the formation of angiotensin II.
b. glomerular efferent arteriolar constriction.
c. an increased filtration fraction.
d. all of the above. - answer-d
Which one of the following nephron parts accounts for the largest amount of water, glucose, amino
acid, and vitamin reabsorption?
a. Glomerulus
b. Distal tubule
c. Proximal tubule
d. Collecting tubule - answer-c
The plasma concentration at which glucose first appears in the urine would be defined as its: a.
downfall.
b. transport maximum.
c. renal threshold. - answer-c
The greatest part of Na+ reabsorption occurs in the:
a. proximal tubule.
b. loop of Henle.
c. cortical collecting tubules and medullary collecting ducts. - answer-a
, Which one of the following nephron parts is associated with the establishment of a high salt
concentration in the medulla of the kidney?
a. Bowman capsule
b. Proximal tubule
c. Loop of Henle
d. Distal tubule - answer-c
Loss of solute (Na+, Cl−) and retention of H2O that occurs in the ascending limb of the loop of Henle
causes the tubular fluid to be ______ as compared with plasma.
a. Hypotonic
b. hypertonic
c. isotonic - answer-a
With regard to the tubular transport of urea:
a. it is actively transported from the proximal tubule so that about one-third to one- half of
its presence continues to the loop of Henle.
b. it is essentially trapped within the nephron tubules throughout their length so that it can
be excreted.
c. it plays no part in the osmoconcentration of the ISF of the renal medulla.
d. during the process of its being excreted, there is a recirculation of some urea from the
inner medullary collecting ducts to the ascending thin limb of the loop of Henle. - answer-
d
Which one of the following is not associated with diabetes mellitus? a. Increased urine formation
b. Renal threshold for glucose is exceeded.
c. Increased thirst
d. Lack of antidiuretic hormone (ADH) - answer-d
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