EBK BIOLOGY
11th Edition
ISBN: 8220102797352
Author: Raven
Publisher: YUZU
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Chapter 50, Problem 5U
Which of the following is a function of the kidneys?
a. The kidneys remove harmful substances from the body.
b. The kidneys recapture water for use by the body.
c. The kidneys regulate the levels of salt in the blood.
d. All of the choices are correct.
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Which of the following is a function of the kidneys?
a. The kidneys remove harmful substances from the body.
b. The kidneys recapture water for use by the body.
c. The kidneys regulate the levels of salt in the blood.
d. All of the choices are correct.
When a substance is reabsorbed in the kidney that substance is:
A. Removed from the blood and put into the renal tubule
B. Removed from the renal tubule and put into the blood
C. Removed from the body via urine.
D. Both B & C
Which of following is not a function of kidneys?
a. Maintain volume, pH and composition of body luids
b. Remove excess toxic chemicals
c. Remove metabolic wastes
d. Synthesis of angiotensinogen
Chapter 50 Solutions
EBK BIOLOGY
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- Which of the following does not contribute to the process of filtration? (a) active transport by epithelial cells lining renal tubules (b) large surface area for filtration (c) low permeability of glomerular capillaries (d) high hydrostatic blood pressure in glomerular capillaries (e) podocytesarrow_forwardWhich of the following does not contribute to the high salt concentration in the interstitial fluid of the kidney medulla? (a) active transport of sodium from the upper part of the ascending limb (b) diffusion of salt from the ascending limb of the loop of Henle (c) reabsorption of salt from various regions of Bowmans capsule (d) counterflow of fluid through the two limbs of the loop of Henle (e) diffusion of urea out of the collecting ductarrow_forwardBlood pressure forces water and small solutes out of blood and into nephrons during ________. a. glomerular filtration c. tubular secretion b. tubular reabsorption d. both a and carrow_forward
- Which of the following is/are true concerning kidney structure? a. The 'hilum' is the concave part of the kidney through which everything entering or leaving the kidney goes b. The kidney is surrounded by a thin connective tissue capsule c. Urine collects in the renal sinus d. The renal medulla contains the renal corpuscles e. Each kidney contains about a million nephronsarrow_forwardWhich of the following statements about the kidney is false? a. The renal pelvis drains into the ureter. b. The renal pyramids are in the medulla. c. The cortex covers the capsule. d. Nephrons are in the renal cortex.arrow_forwardThe urinary system participates in the body’s regulation of a. water levels.b. salt levels.c. blood pH.d. All of these are correct.arrow_forward
- Which of the following is, are function of the kidneys? a. Control plasma volume b. Control blood pressure c. Control red blood cell production d. All of thesearrow_forwardThe macula densa is/are: a. present in the renal medulla. b. dense tissue present in the outer layer of the kidney. c. cells present in the DCT and collecting tubules. d. present in blood capillaries.arrow_forwardWhich of the following function isperformed by the kidneys in the humanbody?A. Excretion B. Respiration C. Digestion D. Transportationarrow_forward
- which of the following is NOT describing the homeostatic function of renal system? Select one: a. Not effective in regulation of acid-base balance b. Very effective in regulation of arterial blood pressure c. Secretion of insulin d. No role in gluconeogenesis e. Regulation of blood glucosearrow_forwardWhich of the following is NOT a function of the kidneys? a. Regulation of plasma (NA+) b. Secretion of a hormone that affects hematocrit c. Gluconeogenesis d. Secretion of a hormone that acts to decrease mean arterial pressure e. Metabolism of Vitamin Darrow_forwardHigh levels of ammonium ions in the urine indicatea. a high level of H+ secretion into the urine.b. that the kidneys are causing blood pH to decrease.c. that urine pH is too basic.d. All of these are correct.arrow_forward
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