Question 1

Which bone is unique in that it does not articulate directly with any other bone, and serves as an attachment site for muscles associated with swallowing and speech?

Accepted Answer

Hyoid bone

Question 2

A patient presents with a herniated intervertebral disc compressing the spinal cord. Which part of the disc is most likely to protrude and cause this condition?

Accepted Answer

Nucleus pulposus

Question 3

Which ligament runs along the posterior aspect of the vertebral bodies and helps prevent hyperflexion of the vertebral column?

Accepted Answer

Posterior longitudinal ligament

Question 4

The first cervical vertebra (C1), also known as the atlas, is specialized for which function?

Accepted Answer

Flexion and extension of the head

Question 5

Which structure on the axis (C2) allows for the rotation of the head, as in shaking the head 'no'?

Accepted Answer

Dens (odontoid process)

Question 6

A trauma patient has a fracture of the manubrium. Which ribs directly articulate with this part of the sternum?

Accepted Answer

Ribs 1 and 2

Question 7

Which ribs are classified as 'floating ribs' and what is their defining characteristic?

Accepted Answer

Ribs 11-12; they do not attach to the sternum

Question 8

Which part of a typical rib articulates with the transverse costal facet of the thoracic vertebra?

Accepted Answer

Tubercle

Question 9

The pectoral girdle consists of which bones, and what is its primary function?

Accepted Answer

Clavicle and scapula; attaches upper limbs to the axial skeleton

Question 10

A fracture at the acromial end of the clavicle would most directly affect which joint?

Accepted Answer

Acromioclavicular joint

Question 11

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

Accepted Answer

Coracoid process

Question 12

The humerus articulates with which structure of the scapula to form the shoulder joint?

Accepted Answer

Glenoid cavity

Question 13

Which bone forms the major portion of the elbow joint with the humerus?

Accepted Answer

Ulna

Question 14

A patient has difficulty flexing their forearm due to a fracture at the radial tuberosity. Which muscle's function is most likely impaired?

Accepted Answer

Biceps brachii

Question 15

Which carpal bones form the wrist joint by articulating with the radius?

Accepted Answer

Scaphoid, lunate, triquetrum

Question 16

If a patient loses the middle phalanx in their thumb due to trauma, which digit is affected and how many phalanges does it normally have?

Accepted Answer

Digit 1 (pollex); normally has two phalanges

Question 17

Which equation best represents the total number of phalanges in one human hand?

Accepted Answer

$$2 + 3 	imes 4 = 14$$

Question 18

A patient presents with pain in the lateral aspect of the forearm after a fall. Which bone is most likely injured?

Accepted Answer

Radius

Question 19

Which structure separates the greater and lesser tubercles of the humerus and serves as a site for tendon attachment?

Accepted Answer

Intertubercular sulcus

Question 20

Which equation correctly calculates the total number of metacarpal bones in both hands?

Accepted Answer

$$5 	imes 2 = 10$$

Skeletal System: Axial Skeleton Study Notes (Part 2 Recap)

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드