Activities Quiz
1.

The urethra is identified by the letter _____. (Activity 44A)

question #1

A
B
C
D
E


2.

Urine formed by a kidney collects in the _____ before being drained from the kidney by the _____ and transported to the _____. (Activity 44A)

urethra ... urinary bladder ... ureter
renal pelvis ... medulla ... cortex
renal pelvis ... ureter ...urinary bladder
renal pelvis ... urethra ... urinary bladder
ureter ... renal pelvis ... urinary bladder


3.

Filtrate is formed as fluid is forced through the walls of the glomerulus and, initially, collects in the structure indicated by the letter _____. (Activity 44A)

question 3

A
B
C
D
E


4.

The _____ are the major blood vessels transporting blood to the kidneys. (Activity 44A)

pulmonary arteries
glomerulus
renal arteries
renal veins
venae cavae


5.

The outer part of the kidney is the _____. (Activity 44A)

medulla
nephron
lacteal
cortex
Bowman's capsule


6.

Which of these is the functional unit of a kidney? (Activity 44A)

neuron
villi
nephron
alveolus
osteon


7.

The movement of substances out of the glomerulus and into Bowman's capsule is referred to as _____. (Activity 44B)

secretion
reabsorption
active transport
ion pumping
filtration


8.

The movement of substances from the blood into the proximal tubule is known as _____. (Activity 44B)

filtration
dialysis
secretion
reabsorption
none of these


9.

Which of these is reabsorbed from filtrate? (Activity 44B)

sodium chloride
glucose
water
amino acids
all of these


10.

As filtrate moves down the loop of Henle, the surrounding interstitial fluid becomes _____ concentrated than the filtrate, so _____ leaves the filtrate. (Activity 44B)

more ... urea
less ... urea
more ... water
less ... water
less ... water and urea


11.

The most abundant solute in urine is _____. (Activity 44B)

glucose
water
plasma proteins
sodium chloride
urea (and other nitrogenous wastes)


12.

Which arrow indicates the direction of a gradient of increasing solute concentration in the interstitial fluid surrounding a nephron? (Activity 44B)

question 12

A only
B only
B and C
C and D
A and D


13.

Glucose is removed from filtrate by _____. (Activity 44B)

secretion
diffusion
dialysis
active transport
osmosis


14.

Under the influence of antidiuretic hormone (ADH), _____ is produced. (Activity 44C)

urine containing more glucose
bloody urine
urine containing a lower concentration of urea
more concentrated urine
less concentrated urine


15.

Antidiuretic hormone (ADH) makes the _____ permeable to water. (Activity 44C)

ascending portion of the loop of Henle
collecting duct
Bowman's capsule
proximal tubule
descending portion of the loop of Henle



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2002 Pearson Education, Inc.,
publishing as Benjamin Cummings