$\text{Bone Mass} = \text{Initial Mass} - (\text{Loss Rate} \times \text{Age})$

Question 1

Which bone is considered the 'keystone' of the cranial bones because it articulates with all other cranial bones?

Accepted Answer

Sphenoid bone

Question 2

A patient presents with numbness and tingling in the hand after repetitive wrist movements. Which anatomical structure is most likely compressed?

Accepted Answer

Median nerve

Question 3

Which vertebra is known as the 'atlas' and what is its primary function?

Accepted Answer

C1; supports the skull and allows nodding

Question 4

Which of the following bones does NOT directly articulate with any other bone?

Accepted Answer

Hyoid

Question 5

A herniated disc most commonly involves rupture of which structure?

Accepted Answer

Anulus fibrosus

Question 6

Which equation best describes the relationship between bone mass and age, based on the developmental aspects of the skeleton?

Accepted Answer

$	ext{Bone Mass} = 	ext{Initial Mass} - (	ext{Loss Rate} 	imes 	ext{Age})$

Question 7

Which abnormal spinal curvature is most likely to cause breathing difficulties due to lateral rotation of the spine?

Accepted Answer

Scoliosis

Question 8

Which bone forms the posterior wall and base of the skull and contains the foramen magnum?

Accepted Answer

Occipital bone

Question 9

Which bones form the cheekbones and the lateral margins of the orbits?

Accepted Answer

Zygomatic bones

Question 10

Which of the following is a sesamoid bone found in the quadriceps tendon?

Accepted Answer

Patella

Question 11

Which structure is responsible for the articulation between the head of the femur and the pelvis?

Accepted Answer

Acetabulum

Question 12

Which bones make up the pectoral girdle?

Accepted Answer

Clavicle and scapula

Question 13

Which ribs are classified as 'floating ribs'?

Accepted Answer

Ribs 11–12

Question 14

Which bone is most likely fractured in a Colles’ fracture?

Accepted Answer

Radius

Question 15

Which equation best represents the number of bones in the adult vertebral column?

Accepted Answer

$7 + 12 + 5 + 1 + 1 = 26$

Question 16

Which bone forms the superior part of the nasal septum?

Accepted Answer

Perpendicular plate of the ethmoid bone

Question 17

Which structure is most likely to be affected in a Pott’s fracture?

Accepted Answer

Distal end of fibula

Question 18

Which bones are fused to form the coxal bone?

Accepted Answer

Ilium, ischium, and pubis

Question 19

Which arch of the foot is most likely to be affected in 'flat feet'?

Accepted Answer

Medial longitudinal arch

Question 20

Which suture separates the parietal bones from the occipital bone?

Accepted Answer

Lambdoidal suture

Chapter 7: The Skeleton – Structure, Function, and Developmental Aspects

Study Guide - Practice Questions