$$126 = 4 \text{ (pectoral girdle)} + 60 \text{ (upper limbs)} + 2 \text{ (pelvic girdle)} + 60 \text{ (lower limbs)}$$

$$56 = 14 \text{ (phalanges per hand)} \times 2 + 14 \text{ (phalanges per foot)} \times 2$$

Question 1

Which of the following bones is NOT part of the pectoral girdle?

Accepted Answer

Femur

Question 2

A patient presents with a fracture at the lateral end of the clavicle. Which joint is most likely affected?

Accepted Answer

Acromioclavicular joint

Question 3

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

Accepted Answer

Scapula; forms the socket for the shoulder joint

Question 4

Which structure on the humerus serves as the attachment site for the deltoid muscle?

Accepted Answer

Deltoid tuberosity

Question 5

A football player suffers a direct blow to the medial side of the knee. Which bone and specific structure is most likely injured?

Accepted Answer

Tibia; medial malleolus

Question 6

Which of the following correctly matches the bone to its location in the appendicular skeleton?

Accepted Answer

Metacarpals – Upper limb

Question 7

A patient is unable to flex their forearm at the elbow. Which anatomical feature of the ulna is most likely involved?

Accepted Answer

Trochlear notch

Question 8

Which of the following statements about the pelvic girdle is TRUE?

Accepted Answer

It is composed of the coxal bones

Question 9

The acetabulum is a feature of which bone, and what is its function?

Accepted Answer

Coxal bone; forms the socket for the femur

Question 10

Which equation correctly represents the total number of bones in the appendicular skeleton?

Accepted Answer

$$126 = 4 	ext{ (pectoral girdle)} + 60 	ext{ (upper limbs)} + 2 	ext{ (pelvic girdle)} + 60 	ext{ (lower limbs)}$$

Question 11

A patient has a fracture in the bone that forms the lateral malleolus of the ankle. Which bone is fractured?

Accepted Answer

Fibula

Question 12

Which of the following is a sesamoid bone that protects the knee joint?

Accepted Answer

Patella

Question 13

A patient presents with pain in the anatomical region where the humerus articulates with the scapula. Which joint is affected?

Accepted Answer

Glenohumeral joint

Question 14

Which of the following bones is found in both the hand and the foot, but with a different name?

Accepted Answer

Phalanges

Question 15

Which anatomical feature distinguishes the female pelvis from the male pelvis?

Accepted Answer

Wider pelvic inlet and greater than 100° pubic arch

Question 16

A patient has difficulty extending their forearm. Which structure on the humerus is most likely involved?

Accepted Answer

Olecranon fossa

Question 17

Which of the following correctly describes the arrangement of bones in the wrist?

Accepted Answer

Eight carpal bones arranged in two rows

Question 18

Which bone forms the heel of the foot?

Accepted Answer

Calcaneus

Question 19

A patient is unable to abduct their arm at the shoulder. Which anatomical feature is most likely involved?

Accepted Answer

Acromion of the scapula

Question 20

Which equation represents the number of phalanges in both hands and both feet combined?

Accepted Answer

$$56 = 14 	ext{ (phalanges per hand)} 	imes 2 + 14 	ext{ (phalanges per foot)} 	imes 2$$

The Skeletal System: The Appendicular Skeleton

Study Guide - Practice Questions