Exam 2

Question 0

The superficial layer of the cutaneous membrane is called the

Answer 0

Epidermis. The superficial epidermis consist of carrots and I stratified squamous epithelium that rest on top of the basement membrane

Question 1

What happens to the sweat glands and blood vessels when body temperature increases

Answer 1

In response to increase in body temperature, sweat glands were really sweat for evaporated cooling and blood vessels will dilate so that the heat can dissipate

Question 2

The main components of skin are the

Answer 2

Epidermis and dermis

Question 3

The epidermis is

Answer 3

Keratinized cutaneous membrane

Question 4

How do nutrients reach the epidermis of the skin?

Answer 4

Defusion transports nutrients from blood vessels in the dermis into the epidermis

Question 5

What is not a function of the skin

Answer 5

To synthesize vitamin A

Question 6

Why is vitamin D necessary

Answer 6

Vitamin D is required for calcium absorption from the small intestine

Question 7

True or false: subcutaneous injections are placed into the hypodermis beneath the skin

Answer 7

True

Question 8

True or false: thermal receptors detect temperature changes in the skin and internal body fluids

Answer 8

True

Question 9

Which sensation is not detected by the skin

Answer 9

Equilibrium

Question 10

Where are the stem cells of the epidermis located

Answer 10

Stratum basale

The stratum basale is the deepest layer of the skin and contains stem cells that undergo mitosis

Question 11

The most numerous cells of the epidermis are the

Answer 11

keratinocytes

Question 12

Skin without keratin would be more likely to

Answer 12

Tear upon being mechanically stressed

Question 13

Trauma to stratum basale. Would not interfere with the skin’s ability to

Answer 13

Shed dead cells

Question 14

What type of cell junction bands together adjacent cells, making the epidermis stronger

Answer 14

Desmosomes

Question 15

Which layer of the epidermis is characterized by prominent cytoplasmic granules in the cells

Answer 15

Stratum granulosum

Question 16

Thin skin lacks what type of stratum

Answer 16

Lucidum

Question 17

Thick skin lacks

Answer 17

Hair follicles

Question 18

Dermal papillae

Answer 18

House tiny blood vessel where oxygen and nutrients diffuse into the extracellular fluid of the dermis and up into the cells of the avascular epidermis

Question 19

How do tension or cleavage lines form

Answer 19

Because of gaps between the bundles of collagen that indent the epidermis. Tension lines normally run in a circular pattern in the neck and trunk but longitudinally in the head and upper lower limbs

Question 20

If you administer a subcutaneous injection, the needle will penetrate the layers and which of the following orders starting from the skin surface

Answer 20

Epidermis, papillary layer of dermis, reticular layer of dermis, subcutaneous layer

Question 21

A surgical incision along tension lines

Answer 21

Closes and heels with relatively little scarring