Question 1

Which structure is responsible for housing osteocytes within compact bone?

Accepted Answer

Lacunae

Question 2

A patient presents with a fracture at the surgical neck of the humerus. Which nearby anatomical structure is most at risk of injury?

Accepted Answer

Axillary nerve

Question 3

Which bone contains the foramen magnum?

Accepted Answer

Occipital bone

Question 4

What is the function of canaliculi in compact bone?

Accepted Answer

Allow communication and nutrient exchange between osteocytes

Question 5

Which of the following best describes the difference between bones treated with acid and baked bones?

Accepted Answer

Acid removes minerals, leaving the bone flexible; baking removes organic matrix, leaving the bone brittle.

Question 6

Which of the following equations correctly represents the relationship between bone density ($$D$$), mass ($$m$$), and volume ($$V$$)?

Accepted Answer

$$D = \frac{m}{V}$$

Question 7

Which part of the vertebra is responsible for protecting the spinal cord?

Accepted Answer

Vertebral (spinal) foramen

Question 8

A newborn's skull contains fontanels. What is the primary function of these fontanels during birth?

Accepted Answer

Permit compression and shape change of the skull

Question 9

Which bone forms the only movable joint in the skull?

Accepted Answer

Mandible

Question 10

Which structure passes through the cribriform plate of the ethmoid bone?

Accepted Answer

Olfactory nerves

Question 11

A patient has difficulty extending their forearm at the elbow. Which bony structure is most likely involved?

Accepted Answer

Olecranon process

Question 12

Which of the following is NOT a component of the osteon?

Accepted Answer

Matrix

Question 13

Which joint is classified as a synovial hinge joint?

Accepted Answer

Elbow joint

Question 14

Which structure of the femur serves as the attachment site for the gluteus maximus muscle?

Accepted Answer

Gluteal tuberosity

Question 15

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

Accepted Answer

Sternum

Question 16

Which equation best describes the calculation of the total number of ribs ($$R) in a $$typical human skeleton, given $$T$$ true ribs, $$F$$ false ribs, and $$L$$ floating ribs?

Accepted Answer

$$R = T + F + L$$

Question 17

Which part of the scapula articulates with the head of the humerus?

Accepted Answer

Glenoid cavity

Question 18

A patient is diagnosed with spina bifida. Which anatomical structure failed to close during development?

Accepted Answer

Lamina of vertebrae

Question 19

Which bone contains the sella turcica, which houses the pituitary gland?

Accepted Answer

Sphenoid bone

Question 20

Which structure is palpated as the 'funny bone' at the elbow?

Accepted Answer

Groove for ulnar nerve

Skeletal System: Bones, Cartilage, and Joints – Anatomy & Physiology Study Notes

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