L6 Epithelium

Question 1

From which embryological origins does epithelium arise?

A) Mesoderm
B) Ectoderm
C) Endoderm
D) All of the above

Answer 1

D) All of the above

Question 2

An epithelial basement membrane consists of __1__ lamina and __2__ lamina

Answer 2

1) basal lamina

2) reticular lamina

Question 3

Kidney tubules are lined by __?__ epithelium

Answer 3

Simple cuboidal

Question 4

Alveoli are lined by __?__ epithelium

Answer 4

Simple squamous

Question 5

The small intestine is lined by __?__ epithelium

Answer 5

Simple columnar

Question 6

The oesophagus is lined by __?__ epithelium

Answer 6

Stratified squamous

Question 7

Where would you find keratinised stratified squamous epithelium?

Answer 7

Only found in skin

Question 8

The trachea is lined by __?__ epithelium

Answer 8

Pseudostratified columnar

Question 9

Sweat gland ducts are lined by __?__ epithelium

Answer 9

Stratified cuboidal

Question 10

Salivary gland ducts are lined by __?__ epithelium

Answer 10

Stratified columnar

Question 11

Exocrine glands secrete into __?__

Answer 11

ducts that open into lumen of organ or onto the skin

Question 12

Endocrine glands secrete into __?__

Answer 12

empty tissue spaces, eventually hormones enter the blood stream (no ducts)

Question 13

What is the difference between merocrine, apocrine, and holocrine secretion?

Answer 13

Merocrine: secretion passes from cells without damaging the cell or cell membrane.

Apocrine: Apical surfase of cells pinched off to release pockets of the hormone.

Holocrine: Whole cell dies to release secretion

Question 14

Epithelial membranes contain epithelium and __?__

Answer 14

an underlying connective tissue

Question 15

Synovial membranes contain only __1__ tissues, and line the cavities of __2__

Answer 15

1) connective

2) synovial joints

Question 16

Serous membranes are generally simple __1__ epithelium resting on a thin layer of __2__. Serosa is found lining __3__.

Answer 16

1) squamous
2) loose connective tissue
3) closed body cavities

Question 17

Cavities open to the external environment are generally lined by __1__ membranes. In the digestive tract the mucosa has [microvilli/cilia], and in the respiratory tracts the mucosa has [microvilli/cilia]

Answer 17

1) mucous
2) microvilli
3) cilia

Question 18

Serous membranes have two layers: the __1__ layer (attaches to the body wall around the organ) and the __2__ layer (attaches to the organ it surrounds).

Answer 18

1) parietal

2) visceral

Question 19

The pleura (surrounding the __1__), __2__ (surrounding the heart) and peritoneum (in the abdomen) are all prominent examples of __3__ membranes.

Answer 19

1) lungs
2) pericardium
3) serous

Question 20

Between the two layers of serous membrane is a fluid called __?__ fluid.

Answer 20

serous

Question 21

Synovial membranes line the cavities of freely movable joints, and contain on __?__ tissues.

Answer 21

connective