Q: Which of the following is the correct formula for the number of vertebrae in each region of the vertebral column?

$$7 \ \text{cervical} + 12 \ \text{thoracic} + 5 \ \text{lumbar} + 1 \ \text{sacrum} + 1 \ \text{coccyx}$$

Question 1

Which bone marking serves as the passageway for the spinal cord to exit the skull?

Accepted Answer

Foramen magnum

Question 2

A patient presents with a fractured hyoid bone. Which of the following is the most likely cause?

Accepted Answer

Strangulation

Question 3

Which of the following best describes the function of the canaliculi in compact bone?

Accepted Answer

They allow for the passage of blood vessels and communication between osteocytes.

Question 4

Which bone is classified as a sesamoid bone?

Accepted Answer

Patella

Question 5

A vertebra with a bifid spinous process and transverse foramina is most likely from which region?

Accepted Answer

Cervical

Question 6

Which of the following is NOT a feature of the scapula?

Accepted Answer

Olecranon fossa

Question 7

Which structure is found only in thoracic vertebrae and is used for rib articulation?

Accepted Answer

Costal facet

Question 8

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

Accepted Answer

Sternum

Question 9

A patient has a fracture at the lateral malleolus. Which bone is affected?

Accepted Answer

Fibula

Question 10

Which of the following best describes the difference between true ribs and floating ribs?

Accepted Answer

True ribs attach directly to the sternum via costal cartilage, while floating ribs do not attach to the sternum at all.

Question 11

Which bone marking is a shallow depression that often serves as an articular surface?

Accepted Answer

Fossa

Question 12

Which of the following is the correct order of the three fused bones that make up the sternum from superior to inferior?

Accepted Answer

Manubrium, body, xiphoid process

Question 13

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

Accepted Answer

It lacks a body and has a large vertebral foramen.

Question 14

Which of the following is a function of the osteon in compact bone?

Accepted Answer

To serve as the basic structural unit for support and nutrient delivery

Question 15

A patient has difficulty extending their knee after a sports injury. Which bone marking is most likely involved in the articulation of the femur and tibia?

Accepted Answer

Medial condyle

Question 16

Which of the following best describes the difference between the male and female pelvis?

Accepted Answer

The female pelvis has a wider subpubic angle and a larger pelvic inlet.

Question 17

Which of the following is the correct formula for the number of vertebrae in each region of the vertebral column?

Accepted Answer

$$7 \ 	ext{cervical} + 12 \ 	ext{thoracic} + 5 \ 	ext{lumbar} + 1 \ 	ext{sacrum} + 1 \ 	ext{coccyx}$$

Question 18

Which bone marking is a round or oval opening through a bone, often for the passage of nerves or blood vessels?

Accepted Answer

Foramen

Question 19

Which of the following best describes the function of the glenoid fossa?

Accepted Answer

It articulates with the head of the humerus to form the shoulder joint.

Question 20

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

Accepted Answer

Lumbar vertebrae have a large, thick body and a broad, flattened spinous process.

Axial and Appendicular Skeleton: Bones, Markings, and Osseous Tissue

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