Question 1

Which bone forms the posterior base of the cranium and contains the foramen magnum, through which the spinal cord passes?

Accepted Answer

Occipital bone

Question 2

A patient presents with a fracture to the zygomatic bone. Which function is most likely to be affected?

Accepted Answer

Formation of the cheek prominence

Question 3

Which of the following vertebral features is unique to thoracic vertebrae and allows for articulation with the ribs?

Accepted Answer

Inferior costal facet

Question 4

The sacrum is formed by the fusion of how many sacral vertebrae?

Accepted Answer

Five

Question 5

Which anatomical feature of the scapula serves as the attachment site for the biceps brachii muscle?

Accepted Answer

Coracoid process

Question 6

A patient suffers a dislocation at the glenohumeral joint. Which bone is directly involved in this injury?

Accepted Answer

Scapula

Question 7

Which bone of the forearm is located on the lateral side when in anatomical position?

Accepted Answer

Radius

Question 8

The median sacral crest is a feature found on which surface of the sacrum?

Accepted Answer

Posterior

Question 9

Which equation best represents the number of vertebrae in the adult human vertebral column, given $$C$$ cervical, $$T$$ thoracic, $$L$$ lumbar, $$S$$ sacral (fused), and $$Co$$ coccygeal (fused) vertebrae?

Accepted Answer

$$C + T + L + S + Co$$

Question 10

A patient with osteoporosis suffers a compression fracture in the vertebral body. Which part of the vertebra is most directly affected?

Accepted Answer

Vertebral body

Question 11

Which of the following is a facial bone that forms part of the nasal cavity and is involved in the warming and humidifying of inhaled air?

Accepted Answer

Inferior nasal concha

Question 12

During a physical exam, a physician palpates the supraspinous fossa. Which bone is being examined?

Accepted Answer

Scapula

Question 13

Which structure of the humerus articulates with the ulna to form the elbow joint?

Accepted Answer

Trochlea

Question 14

If a patient has a fracture at the base of the sacrum, which anatomical landmark is most likely involved?

Accepted Answer

Sacral promontory

Question 15

Which equation correctly describes the total number of bones in the adult pectoral girdle, given $$S$$ scapulae and $$C$$ clavicles?

Accepted Answer

$$S + C$$

Question 16

A patient presents with limited forearm rotation. Which joint is most likely affected?

Accepted Answer

Proximal radioulnar joint

Question 17

Which anatomical feature of the vertebrae serves as the passageway for the spinal cord?

Accepted Answer

Vertebral foramen

Question 18

A patient with a broken medial border of the scapula would most likely experience difficulty with which movement?

Accepted Answer

Retraction of the shoulder

Question 19

Which bone forms the lateral wall of the orbit and contributes to the zygomatic arch?

Accepted Answer

Zygomatic bone

Question 20

Which equation best represents the relationship between the number of thoracic vertebrae ($$T) $$and the number of pairs of ribs ($$R) in a $$typical adult human?

Accepted Answer

$$T = R$$

Skeletal System: Skull, Vertebrae, and Pectoral Girdle

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