Question 1

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

Accepted Answer

Forms the longitudinal axis of the body, protects the brain, spinal cord, and thoracic organs.

Question 2

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

Accepted Answer

Median nerve within the carpal tunnel

Question 3

Which bone is the only movable bone of the adult skull?

Accepted Answer

Mandible

Question 4

The vertebral column is composed of 26 bones. If a patient has a herniated disc between L4 and L5, which structure is most likely ruptured?

Accepted Answer

Anulus fibrosus

Question 5

Which of the following equations correctly represents the total number of bones in the adult human skeleton?

Accepted Answer

$$ 80 + 126 = 206 $$

Question 6

During CPR, why must hands be positioned on the midsternum and not the xiphoid process?

Accepted Answer

To prevent fracturing the xiphoid process and damaging underlying organs such as the liver or heart.

Question 7

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

Accepted Answer

Hyoid bone

Question 8

A patient with osteoporosis is at increased risk for which abnormal spinal curvature?

Accepted Answer

Lordosis

Question 9

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

Accepted Answer

It transmits the weight of the upper body to the lower limbs and protects pelvic organs.

Question 10

Which landmark is commonly used for intramuscular (IM) injections in the hip region?

Accepted Answer

Anterior superior iliac spine

Question 11

Which of the following correctly matches the bone with its function?

Accepted Answer

Patella: protects the knee joint and is embedded in the quadriceps tendon

Question 12

Which equation represents the number of phalanges in the human hand?

Accepted Answer

$$ 2 + (4 	imes 3) = 14 $$

Question 13

A patient suffers trauma to the spine resulting in a prolapsed disc. Which part of the intervertebral disc is most likely to protrude and compress a spinal nerve?

Accepted Answer

Nucleus pulposus

Question 14

Which of the following is a distinguishing feature of cervical vertebrae compared to thoracic and lumbar vertebrae?

Accepted Answer

Transverse foramina for passage of vertebral arteries

Question 15

Which of the following best explains why the female pelvis is wider and rounder than the male pelvis?

Accepted Answer

To accommodate childbearing and facilitate childbirth.

Question 16

Which of the following bones forms the posterior wall of the pelvis and articulates laterally with the hip bones?

Accepted Answer

Sacrum

Question 17

Which of the following is true regarding the arrangement of ribs in the thoracic cage?

Accepted Answer

Ribs 8-10 are vertebrochondral ribs, attached to the sternum via costal cartilage of rib 7.

Question 18

Which equation correctly represents the number of vertebrae in each region of the vertebral column?

Accepted Answer

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

Question 19

Which of the following bones is NOT part of the appendicular skeleton?

Accepted Answer

Sternum

Question 20

A patient is unable to nod their head 'yes' but can rotate it 'no'. Which vertebra is most likely affected?

Accepted Answer

Atlas (C1)

Chapter 7: The Skeleton – Structure and Function of the Human Skeletal System

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