As pelvic width increases, $$Q = \theta_{femur}$$ increases

Total phalanges $$= 3 \times 4 + 2 = 14$$

Question 1

Which bones form the pectoral girdle and what is their primary function?

Accepted Answer

Clavicle and scapula; they attach the upper limb to the axial skeleton and allow for a wide range of motion.

Question 2

A ballet dancer balances on one leg with the other extended behind. Which bone is the main weight-bearing bone of the leg?

Accepted Answer

Tibia

Question 3

Which anatomical feature distinguishes the female pelvis from the male pelvis and is crucial for childbirth?

Accepted Answer

A larger subpubic angle and a rounder pelvic brim

Question 4

The humerus articulates with which bones to form the elbow joint?

Accepted Answer

Radius and ulna

Question 5

Which ligament forms the roof of the carpal tunnel and what is its clinical significance?

Accepted Answer

Flexor retinaculum; compression of the median nerve here can cause carpal tunnel syndrome.

Question 6

Which bone is located on the lateral side of the forearm and is involved in wrist movement?

Accepted Answer

Radius

Question 7

A Colles fracture is most commonly associated with which bone?

Accepted Answer

Distal radius

Question 8

Which equation best represents the relationship between the Q-angle and pelvic width in adult females?

Accepted Answer

As pelvic width increases, $$Q = 	heta_{femur}$$ increases

Question 9

Which bones form the base of the hand and are arranged in two rows?

Accepted Answer

Carpal bones

Question 10

During tight gripping, which metacarpal bones are pulled anteriorly to improve grip firmness?

Accepted Answer

Fourth and fifth metacarpals

Question 11

Which region of the hip bone forms the large, fan-shaped superior portion?

Accepted Answer

Ilium

Question 12

Which bones articulate at the knee joint?

Accepted Answer

Femur and tibia

Question 13

Which bone does NOT bear weight in the leg?

Accepted Answer

Fibula

Question 14

Which anatomical structure is formed by the sacrospinous and sacrotuberous ligaments?

Accepted Answer

Greater and lesser sciatic foramina

Question 15

Which bones are involved in the formation of the pelvis?

Accepted Answer

Right and left hip bones, sacrum, and coccyx

Question 16

Which developmental process leads to the formation of limb bones in the embryo?

Accepted Answer

Growth and development of embryonic limb buds

Question 17

Which bone articulates with the hip bone at the hip joint?

Accepted Answer

Femur

Question 18

Which equation describes the relationship between the number of phalanges in the hand and the number of fingers?

Accepted Answer

Total phalanges $$= 3 	imes 4 + 2 = 14$$

Question 19

Which deformity is commonly present at birth and affects the ankle and foot?

Accepted Answer

Clubfoot

Question 20

Which bone forms the single bone of the thigh region?

Accepted Answer

Femur

The Appendicular Skeleton: Structure, Function, and Development

Study Guide - Practice Questions