Question 1

Which of the following best describes the primary function of the axial skeleton?

Accepted Answer

It forms the body’s longitudinal axis and protects underlying organs.

Question 2

A patient presents with a burst fracture of a lumbar vertebra after a car accident. Which of the following complications is most likely to occur?

Accepted Answer

Compression of the spinal cord and nerve roots, leading to neurological deficits.

Question 3

Which bone marking is defined as a shallow pit and is exemplified by the fovea capitis of the femur?

Accepted Answer

Fovea

Question 4

A herniated disc most commonly results from a tear in which structure, allowing the nucleus pulposus to protrude?

Accepted Answer

Anulus fibrosus

Question 5

Which of the following bones does NOT contribute to the formation of the orbit?

Accepted Answer

Temporal bone

Question 6

A forensic anthropologist is examining a skull with a prominent supraorbital ridge, a sloped forehead, and a mandibular angle close to 90 degrees. What can be inferred about the individual?

Accepted Answer

The individual is likely male.

Question 7

Which of the following is a distinguishing feature of cervical vertebrae?

Accepted Answer

Presence of transverse foramina

Question 8

During CPR, why is it critical to avoid placing hands over the xiphoid process when performing chest compressions?

Accepted Answer

It can break off and damage underlying organs such as the liver.

Question 9

Which of the following statements about the female pelvis is TRUE?

Accepted Answer

The pelvic inlet is wider and oval-shaped compared to the male pelvis.

Question 10

A patient falls on an outstretched hand and sustains a Colles fracture. Which bone is most likely fractured?

Accepted Answer

Distal radius

Question 11

Which of the following bones is the only one in the body that does NOT articulate with any other bone?

Accepted Answer

Hyoid bone

Question 12

Which of the following is a function of the paranasal sinuses?

Accepted Answer

They reduce the weight of the skull and enhance voice resonance.

Question 13

Which of the following best describes the anatomical location and function of the glenoid cavity?

Accepted Answer

It is a shallow indentation on the lateral scapula that articulates with the humerus.

Question 14

Which of the following tarsal bones articulates directly with the tibia and fibula to form the ankle joint?

Accepted Answer

Talus

Question 15

A patient with osteoporosis suffers a wedge fracture of a thoracic vertebra. Which of the following is a likely consequence?

Accepted Answer

Development of kyphosis due to anterior vertebral collapse

Question 16

Which of the following is the correct order of bones from proximal to distal in the upper limb?

Accepted Answer

Humerus, radius/ulna, carpals, metacarpals, phalanges

Question 17

Which of the following features is unique to the atlas (C1) vertebra?

Accepted Answer

It lacks a vertebral body and has anterior and posterior arches.

Question 18

Which of the following best explains why the secondary curvatures of the vertebral column are important for bipedal locomotion?

Accepted Answer

They shift the body’s weight onto the sacrum, providing balance and support for upright walking.

Question 19

Which of the following is a correct pairing of a bone and its marking that serves as a muscle attachment site?

Accepted Answer

Deltoid tuberosity of the humerus

Question 20

A patient presents with numbness and tingling in the lower limb after lifting a heavy object. Imaging reveals a herniated disc compressing a nerve root. Which structure is most likely damaged?

Accepted Answer

Anulus fibrosus

The Skeletal System: Structure, Function, and Classification

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