Question 1

Which of the following best describes the primary function of the appendicular skeleton?

Accepted Answer

To provide support and movement for the limbs

Question 2

Which bones form the pectoral girdle?

Accepted Answer

Scapula and clavicle

Question 3

Which bone marking is found on the humerus and serves as an attachment site for muscles?

Accepted Answer

Deltoid tuberosity

Question 4

Which of the following statements correctly differentiates the male and female pelvis?

Accepted Answer

The female pelvis has a larger pelvic inlet and a wider subpubic angle.

Question 5

Which bones articulate to form the elbow joint?

Accepted Answer

Humerus, radius, and ulna

Question 6

Which of the following carpal bones is located in the proximal row?

Accepted Answer

Scaphoid

Question 7

What is the carpal tunnel and why is it clinically significant?

Accepted Answer

A passageway in the wrist for tendons and the median nerve; compression here can cause carpal tunnel syndrome

Question 8

How are the metacarpals named and what do they articulate with?

Accepted Answer

Numbered I-V from lateral (thumb) to medial (pinky); articulate proximally with carpal bones and distally with phalanges

Question 9

Which of the following best describes the pollex?

Accepted Answer

The thumb, which has two phalanges

Question 10

Which bones make up the pelvic girdle?

Accepted Answer

Two os coxae (hip bones), each formed by the ilium, ischium, and pubis

Question 11

What is the acetabulum and what is its function?

Accepted Answer

A socket in the hip bone that articulates with the head of the femur

Question 12

Which of the following is a principal bone marking of the femur?

Accepted Answer

Greater trochanter

Question 13

Which of the following best describes the Q-angle?

Accepted Answer

The angle formed by the quadriceps muscle and the patellar tendon, influencing risk of ACL injury

Question 14

Which of the following bones is NOT part of the lower limb?

Accepted Answer

Ulna

Question 15

Which structure forms the heel of the foot?

Accepted Answer

Calcaneus

Question 16

Which of the following best describes the arch of the foot?

Accepted Answer

A structure that provides flexibility and distributes body weight during movement

Question 17

Which bone marking serves as a major attachment site for the gluteus medius muscle?

Accepted Answer

Greater trochanter of the femur

Question 18

Which of the following is a similarity between the upper and lower extremity skeletons?

Accepted Answer

Both have a single proximal long bone (humerus/femur) and two distal long bones (radius & ulna/tibia & fibula)

Question 19

Which of the following best explains why females are at higher risk for ACL injuries compared to males?

Accepted Answer

Females have a larger Q-angle, which increases lateral force on the knee and risk of ACL injury

Question 20

Which of the following is a correct pairing of a bone and its principal marking?

Accepted Answer

Ulna – olecranon process

Appendicular Skeleton: Structure, Function, and Comparative Anatomy

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