Question 1

Which of the following bones is classified as a long bone and primarily functions as a lever in the appendicular skeleton?

Accepted Answer

Femur

Question 2

A patient presents with a fracture at the acromial end of the clavicle. Which joint is most likely to be affected by this injury?

Accepted Answer

Acromioclavicular joint

Question 3

Which bone of the pectoral (shoulder) girdle articulates with both the sternum and the scapula?

Accepted Answer

Clavicle

Question 4

The glenoid cavity is a feature of which bone, and what is its primary function?

Accepted Answer

Scapula; articulates with the head of the humerus

Question 5

Which of the following best describes the difference between the male and female pelvis?

Accepted Answer

The female pelvis is lighter, has a rounder pelvic brim, and a wider subpubic angle.

Question 6

Which bone is embedded in the tendon of the quadriceps femoris and increases the leverage of the muscle at the knee joint?

Accepted Answer

Patella

Question 7

A patient has difficulty flexing their wrist and experiences numbness in the hand. Compression of which structure in the carpal tunnel is most likely responsible?

Accepted Answer

Median nerve

Question 8

Which of the following joints is formed by the articulation of the head of the humerus and the glenoid cavity of the scapula?

Accepted Answer

Glenohumeral joint

Question 9

Which bone classification is described as 'thin and curved' and serves as a protector of internal organs?

Accepted Answer

Flat bone

Question 10

If a person suffers a fracture to the medial malleolus, which bone is affected?

Accepted Answer

Tibia

Question 11

Which of the following bones is NOT part of the appendicular skeleton?

Accepted Answer

Vertebra

Question 12

A radiograph shows a fracture at the anatomical neck of the humerus. Which structure is most at risk for injury due to its proximity?

Accepted Answer

Axillary nerve

Question 13

Which of the following equations correctly represents the total number of bones in the adult appendicular skeleton?

Accepted Answer

$126$

Question 14

Which bone forms the lateral malleolus of the ankle?

Accepted Answer

Fibula

Question 15

A patient presents with pain in the carpal tunnel. Which structure forms the roof of the carpal tunnel?

Accepted Answer

Flexor retinaculum

Question 16

Which of the following best describes the function of sesamoid bones such as the patella?

Accepted Answer

Protect tendons from compressive forces

Question 17

Which joint allows for the greatest range of motion in the upper limb?

Accepted Answer

Glenohumeral joint

Question 18

Which of the following bones is classified as a short bone and provides stability with limited motion?

Accepted Answer

Carpal

Question 19

During childbirth, the baby's head passes through the pelvic inlet. Which anatomical feature separates the true pelvis from the false pelvis?

Accepted Answer

Pelvic brim

Question 20

Which arch of the foot runs from the heel to the toes and helps distribute weight over the foot?

Accepted Answer

Longitudinal arch

Appendicular Skeleton: Structure, Classification, and Key Components

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