Question 1

Which bone marking is described as a large rounded projection that may be roughened and serves as a site for muscle attachment?

Accepted Answer

Tuberosity

Question 2

A patient suffers a fracture at the iliac crest. Which type of bone marking is the iliac crest classified as?

Accepted Answer

A crest

Question 3

Which muscle is responsible for flexing the forearm at the elbow and is located in the anterior compartment of the arm?

Accepted Answer

Biceps brachii

Question 4

The obturator nerve innervates muscles in which compartment of the thigh, and what is the primary action of these muscles?

Accepted Answer

Medial compartment; adduction of the thigh

Question 5

Which of the following best describes the action of the gastrocnemius muscle?

Accepted Answer

Plantar flexion of the foot

Question 6

A canal-like passageway in a bone, often serving as an articular surface, is called a:

Accepted Answer

Meatus

Question 7

Which pattern of fascicle arrangement is found in the orbicularis oris muscle?

Accepted Answer

Circular

Question 8

If the femoral nerve is damaged, which movement would be most affected?

Accepted Answer

Extension of the knee

Question 9

Which muscle is located in the posterior compartment of the thigh and is responsible for flexing the knee?

Accepted Answer

Biceps femoris

Question 10

A patient presents with difficulty extending their fingers. Which muscle and compartment are most likely affected?

Accepted Answer

Extensor digitorum; posterior forearm compartment

Question 11

Which bone marking is a shallow basinlike depression in a bone, often serving as an articular surface?

Accepted Answer

Fossa

Question 12

The deltoid muscle is named based on which characteristic?

Accepted Answer

Its shape

Question 13

Which nerve innervates the anterior compartment of the arm, and what is the primary action of these muscles?

Accepted Answer

Musculocutaneous nerve; flexion of the shoulder or arm

Question 14

Which muscle is responsible for adducting the thigh and is located in the medial compartment?

Accepted Answer

Adductor magnus

Question 15

A patient has a lesion affecting the tibial nerve. Which movement would be most impaired?

Accepted Answer

Flexion of the knee and extension of the hip

Question 16

Which muscle is found in the anterior compartment of the leg and is responsible for dorsiflexion of the foot?

Accepted Answer

Tibialis anterior

Question 17

Which bone marking is a round or oval opening through a bone, often serving as a passageway for nerves and blood vessels?

Accepted Answer

Foramen

Question 18

Which muscle compartment of the leg contains muscles that evert the foot and assist in plantar flexion?

Accepted Answer

Lateral compartment

Question 19

A patient is unable to flex their wrist and digits. Which nerve and compartment are most likely affected?

Accepted Answer

Median or ulnar nerve; anterior forearm compartment

Question 20

Which muscle is located in the superficial layer of the posterior compartment of the leg and inserts via the Achilles tendon?

Accepted Answer

Gastrocnemius

Muscle Anatomy: Bone Markings, Origins, Insertions, and Superficial Muscles

Study Guide - Practice Questions