Question 1

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

Accepted Answer

Hormone production

Question 2

A patient presents with a scaly, reddened papule on their lower lip. Biopsy reveals involvement of keratinocytes from the stratum spinosum. Which type of skin cancer is most likely?

Accepted Answer

Squamous cell carcinoma

Question 3

Which layer of the embryo gives rise to the epidermis?

Accepted Answer

Ectoderm

Question 4

A third-degree burn is characterized by which of the following?

Accepted Answer

Destruction of the entire thickness of skin, often requiring skin grafting

Question 5

Which type of skin cancer is most likely to metastasize and is resistant to chemotherapy?

Accepted Answer

Melanoma

Question 6

The rule of nines is used in burn management to estimate which of the following?

Accepted Answer

Volume of fluid loss

Question 7

Which of the following statements about basal cell carcinoma is TRUE?

Accepted Answer

It is the most common skin cancer and rarely metastasizes.

Question 8

During fetal development, the lanugo coat is best described as:

Accepted Answer

A covering of delicate, colorless hairs shed before birth

Question 9

Which of the following is a metabolic function of the skin?

Accepted Answer

Synthesis of vitamin D

Question 10

A patient with burns covering the anterior trunk and both anterior arms would have what percentage of body surface area affected according to the rule of nines?

Accepted Answer

$$18\% + 9\% + 9\% = 36\%$$

Question 11

Which of the following is NOT a function of bone?

Accepted Answer

Excretion of waste products

Question 12

Which type of cartilage is found in the menisci of the knee and intervertebral discs?

Accepted Answer

Fibrocartilage

Question 13

Which bone shape classification includes the vertebrae and hip bones?

Accepted Answer

Irregular bones

Question 14

Which of the following best describes appositional growth of cartilage?

Accepted Answer

New matrix laid down on the surface by perichondrial cells

Question 15

Which part of a long bone contains the epiphyseal line, and what is its significance?

Accepted Answer

Epiphysis; it is the remnant of the growth plate

Question 16

Which membrane covers the internal surfaces of bone, including the trabeculae of spongy bone?

Accepted Answer

Endosteum

Question 17

In adults, the most active sites of hematopoiesis are found in which bones?

Accepted Answer

Flat bones and some irregular bones such as the hip bone

Question 18

Which of the following bone markings is a site for muscle and ligament attachment?

Accepted Answer

Projection

Question 19

Which statement best describes the structure of short, irregular, and flat bones?

Accepted Answer

They consist of thin plates of spongy bone covered by compact bone.

Question 20

A patient with a fracture in the diaphysis of the humerus is most likely to have damage to which part of the bone?

Accepted Answer

The tubular shaft forming the long axis

Integumentary System and Skeletal Tissue: Structure, Function, and Development

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