Question 1

Which of the following cells is primarily responsible for producing the pigment that gives skin its 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, which characteristic is most indicative of a malignant lesion?

Accepted Answer

A lesion with diameter greater than 6 mm

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 classified as a flat bone?

Accepted Answer

Scapula

Question 8

During endochondral ossification, which structure forms first?

Accepted Answer

Primary ossification center

Question 9

A patient suffers a fracture where the bone is broken into three or more pieces. What type of fracture is this?

Accepted Answer

Comminuted fracture

Question 10

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

Accepted Answer

Sternum

Question 11

Which vertebrae are characterized by the presence of transverse foramina?

Accepted Answer

Cervical vertebrae

Question 12

Which bone articulates directly with the tibia at the knee joint?

Accepted Answer

Femur

Question 13

Which of the following is a structural classification of joints?

Accepted Answer

Fibrous

Question 14

Which synovial joint type allows movement in three axes (triaxial)?

Accepted Answer

Ball-and-socket joint

Question 15

Which structure reduces friction between tendons and bones in the shoulder joint?

Accepted Answer

Bursa

Question 16

A synovial joint that allows only flexion and extension is classified as:

Accepted Answer

Uniaxial

Question 17

Which movement occurs when you move your arm away from the midline of your body?

Accepted Answer

Abduction

Question 18

A patient presents with a skin lesion that is asymmetrical, has irregular borders, multiple colors, and a diameter of 8 mm. According to the ABCDE rule, which equation best represents the area of the lesion if it is roughly circular?

Accepted Answer

$$A = \pi r^2$

Question 19

If a patient loses the function of their articular cartilage in the knee, which equation best describes the increase in force per unit area (pressure) on the underlying bone, given a constant force $$F$$ and decreased area $$A$$?

Accepted Answer

$$P = \frac{F}{A}$$

Question 20

A patient with osteoporosis has decreased bone density. If bone mass is calculated using the formula $$M = \rho V$$, where $$\rho is $$density and $$V is $$volume, what happens to $$M if$$ $$\rho$$ decreases but $$V$$ remains constant?

Accepted Answer

Bone mass decreases

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

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