QUESTION 1

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 thesmall  intestine
   	D.	Vitamin D is critical for thermoregulation

QUESTION 2

1. What type of junction allows electrical signals to rapidelyspread from cell to cell

   		A, desmosome
   		B, hemidesmosome
   		C. gap junction
   		D. tight junction

QUESTION 3

1. Ligament and tendons are primarily composed  of :

   		B. Dense regular connective tissue.
   		C. Cartilage
   		D Adipose tissue

QUESTION 4

1. _____________gland plays a major role in maintaining bodytemperature:

   		A. Sebaceous
   		B, eccrine
   		C. Apocrine
   		D. Ceruminous

QUESTION 5

1. simple columnar epithelial epithelial cells lining the internalpassageways of the digestive tract usually have _________________at their free surface

   		A. . mitochondria
   		B. Cilia
   		c. Microvilli
   		D. Golgi complex

QUESTION 6

1. All the following are part of the integumentary system except:

   		A. Epidermis
   		B. Dermis
   		C. hair and nails
   		D. hypodermis

QUESTION 7

1. The combination of fibers and ground substance in the supportingconnective tissue is known as

   		A. groundsubstance
   		B. matrix
   		C. cytosol
   		D. plasma

QUESTION 8

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

   		A. Hyluronic acid
   		B. glycoprotein
   		C. Glycosaminoglycan ( GAGs)
   		d. Proteoglycan

QUESTION 9

1. 9. The deepest stratum___________of the epidermis is highlymitotic and responsible for cell replacement

   		A. corneum
   		B. Lucidum
   		C. granulosum
   		Germinativum

QUESTION 10

1. Which organ system is lined by transitional epithelium toaccomodate streaching muscle ?

   		A. Muscle tissue
   		B. Small intestine
   		C. Alveoli
   		D. Urinary bladder