Question 1

Which type of epithelial tissue lines the body cavities that open to the outside environment, such as the digestive tract and respiratory tract?

Accepted Answer

Mucous epithelium

Question 2

A patient presents with a burn covering a large area of skin. After 24 hours, what is the primary medical concern?

Accepted Answer

Infection

Question 3

Which layer of the epidermis contains cells that are alive but not dividing, and is responsible for forming a web-like system of prekeratin fibers?

Accepted Answer

Stratum spinosum

Question 4

Which cell type in the epidermis is responsible for producing melanin and transferring it to keratinocytes?

Accepted Answer

Melanocytes

Question 5

A patient is diagnosed with basal cell carcinoma. Which statement is most accurate regarding this condition?

Accepted Answer

It develops in basal cells in the stratum basale and rarely metastasizes.

Question 6

Which connective tissue membrane lines synovial joints and secretes synovial fluid?

Accepted Answer

Synovial membrane

Question 7

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Regulation of blood glucose

Question 8

Which gland is responsible for secreting sebum and becomes active at puberty?

Accepted Answer

Sebaceous gland

Question 9

A patient has a deficiency in vitamin D. Which process is most directly affected?

Accepted Answer

Incorporation of calcium into bone

Question 10

Which layer of the epidermis is composed of dead, hard keratinized cells and is the outermost layer?

Accepted Answer

Stratum corneum

Question 11

Which of the following best describes the role of Merkel cells in the skin?

Accepted Answer

Connect to nerve endings for sensation of touch

Question 12

Which of the following equations correctly represents the conversion of vitamin D in the body?

Accepted Answer

$$\mathrm{Vitamin\ D_3$ \xrightarrow{liver} Vitamin\ D}$$

Question 13

A patient presents with a malignant melanoma. Which cell type is the origin of this cancer?

Accepted Answer

Melanocytes

Question 14

Which of the following is a function of eccrine glands?

Accepted Answer

Thermoregulation through sweat production

Question 15

Which layer of the meninges is closest to the brain and spinal cord?

Accepted Answer

Pia mater

Question 16

Which of the following best describes the stratum granulosum?

Accepted Answer

Layer where cells begin to die and keratinization begins

Question 17

A patient with a mutation affecting Langerhans cells would most likely have problems with which function?

Accepted Answer

Immune defense against pathogens

Question 18

Which of the following is true regarding squamous cell carcinoma?

Accepted Answer

It forms in the stratum spinosum and can metastasize but is not the most malignant.

Question 19

Which of the following best describes the function of the subcutaneous tissue (hypodermis)?

Accepted Answer

Provides insulation and stores energy as adipose tissue

Question 20

Which of the following is a correct sequence of layers from superficial to deep in the epidermis?

Accepted Answer

Stratum corneum, stratum granulosum, stratum spinosum, stratum basale

Integumentary System and Tissue Membranes: Structure, Function, and Clinical Relevance

Study Guide - Practice Questions