Chapter 25 Flashcards Preview

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Flashcards in Chapter 25 Deck (17):
1

Every day the kidneys filter nearly __________ of fluid from the bloodstream.

200 liters

2

The perirenal fat capsule is a transparent capsule that prevents infections in surrounding regions from spreading to the kidney.

False

3

The __________ is the darker, reddish-brown area of the kidney that exhibits cone-shaped tissue masses called renal pyramids.

renal medulla

4

Under normal resting conditions, the __________ arteries deliver one-fourth of the total cardiac output (about 1200 ml) to the kidneys each minute.

renal

5

__________ are the structural and functional units of the kidneys, which carry out the processes that form urine.

Nephrons

6

In what part of the nephron is plasma filtered?

renal corpuscle

7

The net filtration pressure (NFP) is the chief force pushing water and solutes out of the blood and across the filtration membrane.

False

8

In situations where there is an extreme change of blood pressure (e.g., mean arterial pressure of less than 80 mm Hg), extrinsic controls take precedence over intrinsic blood pressure controls.

True

9

Which of the following homeostatic imbalances is indicative that glomerular blood pressure may be too low to cause filtration?

anuria

10

The reason glucose is detected in the urine of individuals with uncontrolled diabetes is because __________.

the transport maximum for glucose reabsorption has been exceeded

11

Water can leave the ascending limb of the loop of Henle.

False

12

Tubular secretion is important for all EXCEPT which of the following?

:

ridding the body of excess glucose

13

The descending limb of the loop of Henle is relatively impermeable to solutes and freely permeable to water.

True

14

Alcohol and many drugs prescribed for hypertension are all examples of diuretics.

True

15

Which of the following is NOT a physical characteristic of freshly voided urine in a healthy person?

slightly basic in pH

16

The urethra has two functions in men, but only one in women.

True

17

Which of the following is NOT one of the most common causes of incontinence in adults?

a side effect after general anesthesia