Question 1

Which of the following best describes the function of the appendicular skeleton?

Accepted Answer

It consists of the bones of the upper and lower extremities and the shoulder and hip girdles, allowing for movement and attachment to the axial skeleton.

Question 2

A patient presents with difficulty abducting their arm at the shoulder. Which muscle is most likely impaired?

Accepted Answer

Deltoid

Question 3

Which skeletal marking is defined as a rounded process usually found near articulations, such as the femoral condyle?

Accepted Answer

Condyle

Question 4

During a soccer game, a player injures the structure that serves as the point of attachment for the gluteus maximus and medius muscles. Which bony landmark is most likely affected?

Accepted Answer

Greater trochanter of the femur

Question 5

Which of the following movements describes decreasing the angle between two articulating bones at a joint?

Accepted Answer

Flexion

Question 6

A patient is unable to supinate their forearm. Which movement are they unable to perform?

Accepted Answer

Turning the palm to face anteriorly or upward

Question 7

Which muscle is the primary agonist for extension and lateral rotation of the hip?

Accepted Answer

Gluteus maximus

Question 8

A fracture at the anatomical neck of the humerus would most likely affect which of the following muscle insertions?

Accepted Answer

Supraspinatus

Question 9

Which of the following best describes the action of the biceps brachii muscle?

Accepted Answer

Flexion of the arm and supination of the forearm

Question 10

A patient has suffered damage to the tibial tuberosity. Which movement would most likely be impaired?

Accepted Answer

Extension of the knee

Question 11

Which of the following terms refers to a tunnel-like opening in a bone, such as the external auditory meatus of the temporal bone?

Accepted Answer

Meatus

Question 12

If a muscle originates on the scapula and inserts on the radius, and its action is to flex the forearm, which muscle is being described?

Accepted Answer

Biceps brachii

Question 13

Which of the following best describes the role of a synergist muscle?

Accepted Answer

It assists the prime mover by providing additional force or stabilizing a joint.

Question 14

A patient is unable to perform dorsiflexion at the ankle. Which muscle is most likely weakened?

Accepted Answer

Tibialis anterior

Question 15

Which of the following movements is described as moving a limb away from the midline of the body?

Accepted Answer

Abduction

Question 16

A patient presents with a fracture of the greater sciatic notch. Which bone is affected?

Accepted Answer

Ilium

Question 17

Which of the following best describes the function of tendons?

Accepted Answer

They connect muscles to bones, transmitting the force of muscle contraction.

Question 18

A patient is unable to extend their knee after an injury. Which muscle group is most likely affected?

Accepted Answer

Quadriceps femoris

Question 19

Which of the following is an example of a muscle named for its action?

Accepted Answer

Extensor digitorum

Question 20

A patient is unable to perform plantarflexion of the foot. Which muscle is most likely impaired?

Accepted Answer

Gastrocnemius

Musculoskeletal Terminology: Bones and Muscles of the Appendicular Skeleton

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