Question 1

Which layer of the skin contains blood vessels, hair follicles, sweat glands, and other structures, and lies beneath the epidermis?

Accepted Answer

Dermis

Question 2

A patient presents with a lesion on their nose that is diagnosed as squamous cell carcinoma. Which layer of the epidermis do squamous cells primarily originate from?

Accepted Answer

Stratum spinosum

Question 3

Which of the following is the correct order of layers in the epidermis of thick skin, from deepest to most superficial?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Question 4

During strenuous physical activity, which physiological response helps prevent overheating of the body?

Accepted Answer

Dilation of dermal blood vessels and increased sweat secretion

Question 5

A patient with vitiligo has lighter colored patches of skin. What is the primary cause of this depigmentation?

Accepted Answer

Loss of melanocytes in affected areas

Question 6

Which accessory structure of the integumentary system is responsible for producing sweat that is mostly water?

Accepted Answer

Eccrine gland

Question 7

A mole is a benign accumulation of which type of cell in the skin?

Accepted Answer

Melanocytes

Question 8

Which layer of the dermis contains the dermal papillae and is responsible for fingerprints?

Accepted Answer

Papillary layer

Question 9

A patient has a burn covering the entire anterior trunk and both anterior arms. Using the rule of nines, what percentage of body surface area is affected?

Accepted Answer

$$18\% + 4.5\% + 4.5\% = 27\%$$

Question 10

Which structure is responsible for the growth of hair and is located at the base of the hair follicle?

Accepted Answer

Hair papilla

Question 11

Which type of skin cancer is most likely to metastasize and is associated with the uncontrolled growth of melanocytes?

Accepted Answer

Melanoma

Question 12

Which of the following best describes the function of Meissner corpuscles found in the dermal papillae?

Accepted Answer

Detect light touch and texture

Question 13

Which layer of the epidermis is only found in thick skin, such as the palms and soles?

Accepted Answer

Stratum lucidum

Question 14

A patient presents with red, flaky rashes on their arms. Which skin disorder is most likely responsible?

Accepted Answer

Eczema

Question 15

Which of the following statements about skin pigmentation is correct?

Accepted Answer

Skin color depends on the amount of melanin produced by melanocytes and taken up by keratinocytes.

Question 16

Which of the following is a function of the hypodermis?

Accepted Answer

Storage of fat and insulation

Question 17

Which structure is responsible for producing sebum, an oily substance that lubricates the skin and hair?

Accepted Answer

Sebaceous gland

Question 18

Which layer of the epidermis contains cells that are actively dividing and is the site of origin for all other epidermal cells?

Accepted Answer

Stratum basale

Question 19

Acne is primarily caused by which of the following processes?

Accepted Answer

Overproductive sebaceous glands leading to plugged follicles and inflammation

Question 20

Which of the following changes is most commonly associated with aging of the skin?

Accepted Answer

Loss of elasticity and appearance of wrinkles

Chapter 5: The Integumentary System – Anatomy & Physiology 2E Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards