Kidney System

Question 1

The kidney contains 1-2 thousand nephrons
Question 24 Select one:

a.
False

b.
True

Answer 1

False

Question 2

The urinary system is one of the excretory systems of the body
Question 25 Select one:

a.
True

b.
False

Answer 2

True

Question 3

What does NOT take place in the glomerulus capsule as blood flows through it?
Question 26 Select one:

a. Filtration takes place through the semi permeable glomerulus capillaries and glomerular capsule walls

b. Foreign substances are destroyed

c. Water and small molecules pass through the capillary walls and into the glomerular capsule

Answer 3

Foreign substances are destroyed

Question 4

Which of the following does glomerular filtrate NOT include?
Question 27 Select one:

a.
Blood cells

b.
Mineral salts

c.
Toxins

d.
Urea

e.
Water

Answer 4

Blood cells

Question 5

Which of the following is not a function of the kidneys:
Question 28 Select one:

a.
Excretion of waste products

b.
Production and secretion of erythropoietin

c.
Formation of urine

d.
Production of white blood cells

Answer 5

Production of white blood cells

Question 6

Which of the following is NOT a part of the urinary system?
Question 29 Select one:

a.
Glomerulus

b.
Urinary bladder

c.
Medullary loop

d.
Adrenal Gland

Answer 6

Adrenal gland

Question 7

Which of the following is not correct when describing a nephron?
Question 30 Select one:

a. The capsule walls are lined with ciliated epithelium

b. The closed end forms a cup-shaped glomerular capsule

c. A tubule closed at one end

d. Opens into a collecting duct at the other end

Answer 7

The capsule walls are lined with ciliated epithelium

Question 8

What is a nephron

Answer 8

Each of your kidneys is made up of about a million filtering units called nephrons. Each nephron includes a filter, called the glomerulus, and a tubule. The nephrons work through a two-step process: the glomerulus filters your blood, and the tubule returns needed substances to your blood and removes wastes.

Question 9

Which of the following processes is NOT involved in the formation of urine?
Question 31 Select one:

a. Secretion

b. Chemical digestion

c. Filtration

d. Selective reabsorption

Answer 9

Chemical digestion

Question 11

Which of the following is not correct when describing a nephron?

Answer 11

The capsule walls are lined with ciliated epithelium