Question 1

A patient presents with enlarged hands, feet, and jaw, but normal height. Laboratory tests reveal elevated growth hormone (GH) levels after epiphyseal closure. What is the most likely diagnosis?

Accepted Answer

Acromegaly

Question 2

Which of the following best describes the difference between osteoarthritis and rheumatoid arthritis?

Accepted Answer

Osteoarthritis is primarily age- or use-related cartilage degeneration, while rheumatoid arthritis is an autoimmune disorder causing joint inflammation.

Question 3

A child is diagnosed with congenital hypothyroidism and presents with stunted physical and mental development. What is the term for this condition?

Accepted Answer

Cretinism

Question 4

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

Accepted Answer

Femur

Question 5

The auditory ossicles are the smallest bones in the human body. Which three bones make up the auditory ossicles?

Accepted Answer

Malleus, incus, stapes

Question 6

A patient with Marfan syndrome is likely to have which of the following skeletal features?

Accepted Answer

Rapid elongation of long bones and tall, thin stature

Question 7

Which of the following vertebral regions develops its curvature as an infant learns to balance the weight of its head?

Accepted Answer

Cervical curve

Question 8

A 65-year-old patient complains of joint pain, stiffness after inactivity, and a grating sensation in the knees. X-rays show cartilage loss and bone spurs. What is the most likely diagnosis?

Accepted Answer

Osteoarthritis

Question 9

Which passageway in the skull transmits the optic nerve (II)?

Accepted Answer

Optic canal

Question 10

Which of the following is a function of the fontanelles in an infant's skull?

Accepted Answer

Permit distortion of the skull during birth and accommodate rapid brain growth

Question 11

A patient presents with a pronounced posterior curvature of the thoracic spine, resulting in a 'hunchback' appearance. What is the clinical term for this condition?

Accepted Answer

Kyphosis

Question 12

Which of the following best describes the vertebral foramen in cervical vertebrae compared to lumbar vertebrae?

Accepted Answer

Cervical vertebrae have a large vertebral foramen, lumbar vertebrae have a small one.

Question 13

Which of the following cranial foramina transmits the medulla oblongata and vertebral arteries?

Accepted Answer

Foramen magnum

Question 14

A patient with an autoimmune disorder presents with joint pain, swelling, and deformity in the hands. Laboratory tests reveal elevated TNF levels. Which condition is most likely?

Accepted Answer

Rheumatoid arthritis

Question 15

Which of the following is a secondary spinal curve that develops as a child begins to stand and walk?

Accepted Answer

Lumbar curve

Question 16

Which of the following is NOT a feature of osteoarthritis?

Accepted Answer

Autoimmune attack on synovial membrane

Question 17

Which of the following best describes the function of the vertebral column?

Accepted Answer

It protects the spinal cord and supports the head and trunk.

Question 18

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

Accepted Answer

Heart-shaped body with facets for rib articulation

Question 19

A patient with a lateral curvature of the spine is diagnosed with which condition?

Accepted Answer

Scoliosis

Question 20

Which of the following equations best represents the relationship between the number of bones in the adult axial skeleton and the total number of bones in the adult human body?

Accepted Answer

$$80 + 126 = 206$$

The Axial Skeleton: Structure, Disorders, and Clinical Correlations

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