Question

In: Anatomy and Physiology

QUESTION 1 Why is vitamin D necessary? A. Vitami D protects the skin from pathogen B....

QUESTION 1

Why is vitamin D necessary?

	A.	Vitami D protects the skin from pathogen
	B.	VItamin D protect the skin pathogen
	C.	Vitamin D is required for calcium absorption from the small intestine
	D.	Vitamin D is critical for thermoregulation

QUESTION 2

What type of junction allows electrical signals to rapidely spread from cell to cell

A, desmosome

B, hemidesmosome

C. gap junction

D. tight junction

QUESTION 3

Ligament and tendons are primarily composed of :

B. Dense regular connective tissue.

C. Cartilage

D Adipose tissue

QUESTION 4

_____________gland plays a major role in maintaining body temperature:

A. Sebaceous

B, eccrine

C. Apocrine

D. Ceruminous

QUESTION 5

simple columnar epithelial epithelial cells lining the internal passageways of the digestive tract usually have _________________ at their free surface

A. . mitochondria

B. Cilia

c. Microvilli

D. Golgi complex

QUESTION 6

All the following are part of the integumentary system except :

A. Epidermis

B. Dermis

C. hair and nails

D. hypodermis

QUESTION 7

The combination of fibers and ground substance in the supporting connective tissue is known as

A. groundsubstance

B. matrix

C. cytosol

D. plasma

QUESTION 8

What component of ground substance adheres cells to their places within the extracellular matrix( ECM).

A. Hyluronic acid

B. glycoprotein

C. Glycosaminoglycan ( GAGs)

d. Proteoglycan

QUESTION 9

9. The deepest stratum___________of the epidermis is highly mitotic and responsible for cell replacement

A. corneum

B. Lucidum

C. granulosum

Germinativum

QUESTION 10

Which organ system is lined by transitional epithelium to accomodate streaching muscle ?

A. Muscle tissue

B. Small intestine

C. Alveoli

D. Urinary bladder

Expert Solution

1. Answer ; c) vitamin D is required for calcium absorption in the small intestine.

Reason ; One of the major function of these vitamin is explained in the above mentioned statement. Other statement are not really the function that are related to these type of vitamin. therefore the above mentioned option would be the appropriate one.

2. Answer ; C) Gap junction

Reason ; Among the listed term the above mentioned term refers the actual definition given in the description about the connection that is responsible for the transport of signal from cell to cell.

3. Answer ; A) collagen fibers.

Reason ; The given structure are primarily composed of the above mentioned material or fibers. other options are not the appropriate material that are related to these structure. Therefore the above mentioned option would be the appropriate one.

4. Answer ; B) Eccrine gland

5. Answer ; C) Microvilli

6. Answer ; C) hair and nails

7. Answer ; B) Matrix

8. Answer ; B) glycoproteins

9. Answer ; d) germinatum

10. Answer ; D) urinary bladder.

Sydney Mullin answered 1 year ago

vitamin K is necessary for the absorption of vitamin B 12 from the intestines

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