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Human Biology

Sylvia S. Mader, Michael Windelspecht

Chapter 11

Urinary System - all with Video Answers

Educators

Chapter Questions

01:54

Problem 1

Which of these kidney functions is mismatched?
a. excretes metabolic wastes-rids the body of urea
b. maintains the water-salt balance- helps regulate blood
pressure
c. maintains the acid-base balance- rids the body of uric acid
d. secretes hormones-secretes erythropoietin
e. All of these are correct.

Christina Sorrentino
Christina Sorrentino
Numerade Educator
01:10

Problem 2

Label this diagram of the structures and organs associated with the urinary system.

Christina Sorrentino
Christina Sorrentino
Numerade Educator
00:19

Problem 3

Which of the following is not correct?
a. Uric acid is produced from the breakdown of amino acids.
b. Creatinine is produced from breakdown reactions in the muscles.
c. Urea is the primary nitrogenous waste of humans.
d. Ammonia results from the deamination of amino acids.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:20

Problem 4

Which of these is found in the renal medulla?
a. loop of the nephron
b. collecting ducts
c. peritubular capillaries
d. All of these are correct.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:25

Problem 5

When tracing the path of blood, the blood vessel that follows the renal artery is the
a. peritubular capillary.
b. efferent arteriole.
c. afferent arteriole.
d. renal vein.
e. glomerulus.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
01:25

Problem 6

The majority of the nephron, including the glomerulus, is located in what region of the kidney?
a. adrenal gland
b. renal medulla
c. renal pelvis
d. renal cortex

Christina Sorrentino
Christina Sorrentino
Numerade Educator
00:15

Problem 7

The function of the descending limb of the loop of the nephron in the process of urine formation is
a. reabsorption of water.
b. production of filtrate.
c. reabsorption of solutes.
d. secretion of solutes.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:24

Problem 8

Which of the following materials would not normally be filtered from the blood at the glomerulus?
a. water
b. urea
c. protein
d. glucose
e. sodium ions

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:29

Problem 9

Sodium is actively extruded from which part of the nephron?
a. descending portion of the proximal convoluted tubule
b. ascending portion of the loop of the nephron
c. ascending portion of the distal convoluted tubule
d. descending portion of the collecting duct

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
01:37

Problem 10

Which of these hormones is most likely to directly cause a drop in blood pressure?
a. aldosterone
b. antidiuretic hormone (ADH)
c. erythropoietin
d. atrial natriuretic hormone (ANH)

Christina Sorrentino
Christina Sorrentino
Numerade Educator
00:29

Problem 11

The presence of ADH (antidiuretic hormone) causes an individual
to excrete
a. sugars.
b. less water.
c. more water.
d. Both a and c are correct.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
01:20

Problem 12

To lower blood acidity,
a. hydrogen ions are excreted and bicarbonate ions are reabsorbed.
b. hydrogen ions are reabsorbed and bicarbonate ions are excreted.
c. hydrogen ions and bicarbonate ions are reabsorbed.
d. dydrogen ions and bicarbonate ions are excreted.
e. urea, uric acid, and ammonia are excreted.

Christina Sorrentino
Christina Sorrentino
Numerade Educator
01:31

Problem 13

The function of erythropoietin is
a. reabsorption of sodium ions.
b. excretion of potassium ions.
c. reabsorption of water.
d. stimulation of red blood cell production.
e. raising of blood pressure.

Christina Sorrentino
Christina Sorrentino
Numerade Educator
01:15

Problem 14

Which of these conditions is associated with an infection of the kidney?
a. urethritis
b. pyelonephritis
c. cystitis
d. All of these are correct.

Christina Sorrentino
Christina Sorrentino
Numerade Educator
01:45

Problem 15

Hemodialysis is done to reduce the effects of which of the following?
a. uremia
b. excess EPO in the body
c. diuretics
d. cystitis

Christina Sorrentino
Christina Sorrentino
Numerade Educator