Question 1

Which of the following best describes the main function of serous membranes in the human body?

Accepted Answer

They line closed body cavities and secrete a lubricating fluid to reduce friction between organs.

Question 2

A patient presents with a burn that is red, painful, and blistered. According to the classification of burns, which degree of burn does this most likely represent?

Accepted Answer

Second-degree burn

Question 3

Which of the following cell types is primarily responsible for producing melanin in the epidermis?

Accepted Answer

Melanocytes

Question 4

A patient has a burn covering 27% of their body surface area, affecting both anterior and posterior surfaces of one lower limb and the anterior trunk. Using the rule of nines, which of the following calculations is correct?

Accepted Answer

$$9\% + 18\% = 27\%$$

Question 5

Which of the following best describes the difference between benign and malignant tumors?

Accepted Answer

Benign tumors do not spread to other tissues, while malignant tumors can metastasize.

Question 6

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

Accepted Answer

Production of red blood cells

Question 7

Which layer of the epidermis is responsible for the continuous production of new skin cells?

Accepted Answer

Stratum basale

Question 8

A patient is diagnosed with osteoporosis. Which population is most at risk for developing this condition?

Accepted Answer

Postmenopausal women

Question 9

Which of the following statements about hyaline cartilage is correct?

Accepted Answer

It is found at the ends of long bones as articular cartilage.

Question 10

Which bone cell type is responsible for breaking down bone matrix during bone remodeling?

Accepted Answer

Osteoclasts

Question 11

A 65-year-old woman falls and suffers a fracture in the shaft of her femur. Which part of the long bone is most likely affected?

Accepted Answer

Diaphysis

Question 12

Which of the following is an example of a synarthrosis joint?

Accepted Answer

Sutures of the skull

Question 13

Which of the following best describes the function of the osteon (Haversian system) in compact bone?

Accepted Answer

It organizes bone tissue into concentric lamellae around a central canal for strength and nutrient delivery.

Question 14

A patient is diagnosed with rheumatoid arthritis. Which of the following best describes this condition?

Accepted Answer

It is an autoimmune disease that causes inflammation of the joints.

Question 15

Which of the following is a function of the skeletal system?

Accepted Answer

Protection of internal organs

Question 16

Which of the following best describes the difference between axial and appendicular skeletons?

Accepted Answer

The axial skeleton consists of the skull, vertebral column, and rib cage; the appendicular skeleton consists of the limbs and girdles.

Question 17

A patient presents with a lateral curvature of the spine. Which abnormal spinal curvature does this describe?

Accepted Answer

Scoliosis

Question 18

Which of the following is a characteristic of diarthrosis joints?

Accepted Answer

They are freely movable and include synovial joints.

Question 19

Which of the following best explains why a compound (open) fracture is more dangerous than a simple (closed) fracture?

Accepted Answer

It increases the risk of infection because the bone pierces the skin.

Question 20

Which of the following best describes the process of bone healing after a fracture?

Accepted Answer

A hematoma forms, followed by a fibrocartilaginous callus, then a bony callus, and finally bone remodeling.

Membranes, Integument, and Bones: Study Guide for Anatomy & Physiology

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