$$206 = 80 \text{ (axial)} + 126 \text{ (appendicular)}$$

Question 1

Which of the following best describes the primary difference between the axial and appendicular skeletons?

Accepted Answer

The axial skeleton includes the skull, vertebral column, and thoracic cage, while the appendicular skeleton includes the girdles and limbs.

Question 2

Which type of cartilage is most commonly found at the ends of long bones in synovial joints?

Accepted Answer

Hyaline cartilage

Question 3

A patient presents with a fracture to the zygomatic bone. Which region of the skeleton is affected?

Accepted Answer

Axial skeleton, specifically the skull

Question 4

Which of the following bones is NOT part of the cranium?

Accepted Answer

Mandible

Question 5

A child falls and injures the epiphyseal plate of the femur. What is the most likely consequence?

Accepted Answer

Impaired bone growth due to disruption of cartilage ossification

Question 6

Which of the following best explains the function of the sacrum in the vertebral column?

Accepted Answer

It connects the vertebral column to the pelvic girdle and transmits body weight to the lower limbs.

Question 7

Which formula correctly represents the total number of vertebrae in a typical adult human spine?

Accepted Answer

$$7 + 12 + 5 + 5 + 4 = 33$$

Question 8

Which bone forms the posterior portion of the hard palate?

Accepted Answer

Palatine bone

Question 9

A patient has difficulty rotating their head. Which joint is most likely affected?

Accepted Answer

Atlanto-axial joint

Question 10

Which of the following is a function of the pectoral girdle?

Accepted Answer

Supports the weight of the upper limb and allows for a wide range of motion

Question 11

Which bone articulates with the acetabulum to form the hip joint?

Accepted Answer

Femur

Question 12

A patient presents with a herniated disc between L4 and L5. Which region of the vertebral column is affected?

Accepted Answer

Lumbar region

Question 13

Which of the following bones is part of the appendicular skeleton?

Accepted Answer

Scapula

Question 14

Which structure is responsible for the formation of red blood cells in adults?

Accepted Answer

Red bone marrow located in the spongy bone of flat bones

Question 15

Which of the following best describes the function of the thoracic cage?

Accepted Answer

Protects the heart and lungs and supports breathing movements

Question 16

A football player suffers a fracture to the clavicle. Which function of the pectoral girdle is most likely compromised?

Accepted Answer

Transmission of weight from the upper limb to the axial skeleton

Question 17

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

Accepted Answer

Femur

Question 18

Which of the following best explains why the vertebral column is curved?

Accepted Answer

To allow for greater flexibility and shock absorption

Question 19

A patient is diagnosed with osteoporosis, which primarily affects which part of the bone?

Accepted Answer

Spongy bone (trabecular bone)

Question 20

Which equation correctly represents the calculation of total bone count in the adult human body?

Accepted Answer

$$206 = 80 	ext{ (axial)} + 126 	ext{ (appendicular)}$$

Chapter 7: The Skeletal System – Structured Study Notes

Study Guide - Practice Questions