Q: Which equation best represents the relationship between bone mass and mechanical stress, according to Wolff's Law?

$$\text{Bone mass} \propto \text{Mechanical stress}$$

Q: Which equation represents the calculation of the surface area of skin, important for assessing burn severity?

$$\text{Total body surface area (TBSA)} = \frac{\text{Burned area}}{\text{Total area}} \times 100\%$$

Question 1

Which of the following cells is primarily responsible for producing the pigment that determines skin color?

Accepted Answer

Melanocyte

Question 2

A patient presents with a burn that affects both the epidermis and the entire dermis, but not the underlying tissue. According to burn classification, what degree is this burn?

Accepted Answer

Third-degree

Question 3

According to the ABCDE rule for melanoma detection, which characteristic is represented by 'E'?

Accepted Answer

Evolution

Question 4

Which of the following is a function of hyaline cartilage in the human body?

Accepted Answer

Reduces friction and absorbs shock in joints

Question 5

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

Accepted Answer

Osteoclast

Question 6

A cross-section of a long bone reveals a central cavity filled with yellow marrow. What is the primary function of yellow marrow?

Accepted Answer

Storage of fat

Question 7

Which of the following bones is part of the axial skeleton?

Accepted Answer

Sternum

Question 8

Which vertebrae are characterized by the presence of transverse foramina?

Accepted Answer

Cervical vertebrae

Question 9

A fracture that results in the bone breaking into multiple fragments is best described as:

Accepted Answer

Comminuted fracture

Question 10

Which of the following best describes the movement allowed by a ball-and-socket synovial joint?

Accepted Answer

Multiaxial

Question 11

Which equation best represents the relationship between bone mass and mechanical stress, according to Wolff's Law?

Accepted Answer

$$	ext{Bone mass} \propto 	ext{Mechanical stress}$$

Question 12

Which of the following is NOT a structural classification of joints?

Accepted Answer

Ligamentous

Question 13

A patient with osteoporosis is at increased risk for which type of bone fracture, commonly seen in the vertebrae?

Accepted Answer

Compression fracture

Question 14

Which synovial joint type allows movement in only one plane, such as the elbow?

Accepted Answer

Hinge joint

Question 15

Which of the following best describes the function of bursae in synovial joints?

Accepted Answer

Reduces friction between moving structures

Question 16

Which equation represents the calculation of the surface area of skin, important for assessing burn severity?

Accepted Answer

$$	ext{Total body surface area (TBSA)} = \frac{	ext{Burned area}}{	ext{Total area}} 	imes 100\%$$

Question 17

Which bone shape classification best describes the vertebrae?

Accepted Answer

Irregular bone

Question 18

Which of the following movements is NOT possible at a nonaxial synovial joint?

Accepted Answer

Rotation

Question 19

During endochondral ossification, which sequence correctly describes the process?

Accepted Answer

Cartilage model forms, then is replaced by bone

Question 20

A patient presents with a skin lesion that is asymmetrical, has irregular borders, multiple colors, a diameter greater than 6 mm, and is evolving. According to the ABCDE rule, which equation would best represent the probability of melanoma if each criterion is independent and has a probability $$p of $$being present?

Accepted Answer

$$P = p^5$

BSC 2085 Exam Review: Integumentary, Skeletal, and Articular Systems (Ch. 5-8)

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