BSC2346 2019 January Module 2 Quiz Latest

BSC2346 Human Anatomy and Physiology I

Module 02 Quiz

Question 1

Hair and nails are mainly composed of what substance?

Answers:            

Collagen fibers

Melanocytes

Elastic fibers

 Keratin

Question 2

Which choice is NOT true about the epidermis?

Answers:            

 It contains blood vessels and is considered highly vascularized

There are multiple layers of living and dead cells

It is constantly flaked/scraped off

Melanin is secreted within it

Question 3

Which of the following choices makes up the majority of the dermis and contains glands, hair follicles, and muscular tissue?

Answers:            

 Reticular layer

Papillary layer

Stratum basale

Hypodermis

Question 4

Which type of gland is responsible for secreting an oily substance that helps to lubricate and soften the skin and hair?

Answers:            

Apocrine gland

Sebaceous gland

Ceruminous gland

Eccrine gland 

Question 5

Which skin layer is the most superficial?

Answers:            

Hypodermis

 Stratum corneum

Stratum basale

Papillary layer

Question 6         

Melanoma is the most treatable and curable of the types of skin cancer.

Answers:            

True

 False

Question 7

What is NOT true of keratinocytes?

Answers:            

 They have a 3-4 month life cycle 

Cell production of keratinocytes can be accelerated in areas of consistent friction

They secrete a waxy protein called keratin

They are the main cell of the epidermis

Question 8

What is NOT a complication of burns?

Answers:            

 Decreased function of immune system

Loss of bodily fluids

Circulatory shock

Infection

Question 9

Which layer of skin is the outer most layer and contains dead cells that are filled with keratin?

Answers:            

 Stratum corneum

Stratum granulosum

Stratum basale

Stratum spinosum

Question 10

What structure and/or substance is NOT found within the dermis?  

Answers:            

 Keratin

Sweat glands

Nerve tissue

Blood vessels

Question 11

Which type of burn affects the epidermis and dermis and commonly results in blisters?

Answers:            

 Second degree

Third degree

First degree

Full thickness

Question 12

Which of the following is the most common type of skin cancer?

Answers:            

Melanoma

Cuboidal cell carcinoma

 Basal cell carcinoma

Squamous cell carcinoma

Question 13

Which choice is true of collagen fibers?

Answers:            

They create the dermal papillae

They provide an ability of the skin to stretch and retain its shape

They are found in the epidermis

 They provide structural support to the integument

Question 14

Extensions of dermis up into the epidermis that are responsible for fingerprints are called:

Answers:            

Flexure lines

 Dermal papillae

Friction ridges

Reticular layer

Question 15       

The dermis is composed of which of the following two layers?

Answers:            

Reticular and papillary layers

Papillary and fibrous layers

Ceruminous and papillary layers

Reticular and fibrous layers