Urinary System Questions

Question 1

drug used to counteract hypertension by causing the excretion of water

Answer 1

diuretic

Question 2

removal of metabolic wastes from the body

Answer 2

excretion

Question 3

tubular structure that receives urine from the bladder and carries it to the outside of the body

Answer 3

urethra

Question 4

hollow chamber in the kidney that lies inside the renal medulla and receives freshly prepared urine from the collecting ducts

Answer 4

renal pelvis

Question 5

filtered portion of blood contained within the glomerular capsule

Answer 5

glomerular filtrate

Question 6

what is found the in the renal medulla

Answer 6

loop of the nephron, peritubular capillaries, collecting ducts

Question 7

which of these functions of the kidneys are mismatched

a. excretes metabollic 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

Answer 7

maintains the acid-base balance-rids the body of uric acid

Question 8

which of the following is not correct

a. uric acid is produced from the breakdown of amino acids,
b. creatine 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

Answer 8

uric acid is produced from the break down of amino acids

Question 9

when tracing the path of filtrate, the loop of the nephron follows which structure

Answer 9

proximal convoluted tubule

Question 10

when tracing the path of blood, the blood vessel that follows the renal artery is the

Answer 10

afferent arteriole

Question 11

the function of the descending limb of the loop of the nephron in the process of urine formation is

Answer 11

reabsorption of water

Question 12

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

Answer 12

protein

Question 13

which of the following materials would not be maximally reabsorbed from the filtrate

Answer 13

urea

Question 14

reabsorption of the glomerular filtrate occurs primarily at the

Answer 14

proximal convoluted tubule

Question 15

a countercurrent mechanism draws water from the

Answer 15

descending limb of the loop of the nephron, and the collecting duct

Question 16

sodium is actively extruded from which part of the nephron

Answer 16

ascending portion of the loop in the nephron

Question 17

excretion of hypertonic urine in humans is best associated with the

Answer 17

loop of the nephron and collecting duct

Question 18

which hormone is most likely to directly cause a drop in blood pressure

Answer 18

atrial natriuretic hormone (ANH)

Question 19

the presence of ADH (antidiuretic hormone) causes an individual to excrete

Answer 19

less water

Question 20

to lower blood acidity

Answer 20

hydrogen ions are excreted and bicarbonate ions are reabsorbed

Question 21

the function of erythropoietin is

Answer 21

to stimulate red blood cell production

Question 22

liver synthesized urea

Answer 22

digestive system

Question 23

smooth muscular contraction assists voiding of urine

Answer 23

muscular system

Question 24

ADH, aldosterone and atrial natriuretic hormone regulate reabsorption of sodium ions (Na+ by kidneys

Answer 24

endocrine system

Question 25

blood vessels deliver waste to be excreted

Answer 25

cardiovascular system