Deck 12: Muscles of the Upper and Lower Limbs

Question 1

Which of the following terms might be found in the name of a muscle that increases the angle of a joint?

A) extensor
B) flexor
C) adductor
D) abductor

Answer 1

A

Question 2

The muscles of the posterior thigh (hamstrings)share a common ________.

A) insertion (on the ischial tuberosity)
B) origin (on the ischial tuberosity)
C) insertion (on the lateral side of the fibular head)
D) origin (lateral side of the fibular head)

Answer 2

B

Question 3

Which muscle acts as an antagonist for plantar flexion?

A) gastrocnemius
B) soleus
C) fibularis longus
D) tibialis anterior

Answer 3

D

Question 4

The action of the biceps brachii is ________.

A) extension at the elbow
B) extension at the elbow and extension and adduction at the shoulder
C) flexion of the forearm at the elbow, weak flexion at the shoulder, and supination of the forearm
D) flexion at the elbow

Question 5

The quadriceps femoris group includes the ________.

A) rectus femoris, vastus intermedius, psoas major, and iliacus
B) rectus femoris, vastus intermedius, psoas major, and sartorius
C) rectus femoris, vastus intermedius, vastus medialis, and vastus lateralis
D) rectus femoris, vastus intermedius, vastus medialis, and vastus iliacus

Question 6

The primary action of the triceps brachii is ________.

A) pronation of the forearm
B) flexion of the fingers
C) flexion of the forearm
D) extension of the forearm

Question 7

Muscles of the posterior compartment of the forearm ________.

A) pronate the forearm
B) flex the hands and fingers
C) extend the hands and fingers
D) perform fine motor skills

Question 8

Which of the following terms might be found in the name of a muscle that decreases the angle at a joint?

A) abductor
B) adductor
C) extensor
D) flexor

Question 9

The pectoralis major ________.

A) acts as an agonist in flexion, adduction, and medial rotation at the shoulder
B) is the prime mover in abduction, flexion, extension, and medial and lateral rotation at the shoulder
C) rotates the scapula
D) acts as an agonist in depression and protraction of the shoulder

Question 10

What is unique about the brachioradialis muscle of the anterior forearm?

A) The insertion of the brachioradialis is on the humerus.
B) The origin of the brachioradialis is on the humerus.
C) The brachioradialis muscle acts on the elbow joint.
D) The brachioradialis acts as a flexor, while the majority of the superficial layer muscles act as extensors.

Question 11

The superficial layer muscles of the anterior compartment of the forearm include the ________.

A) pronator teres, flexor carpi radialis, palmaris longus, and flexor carpi ulnaris
B) flexor carpi radialis, flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus
C) flexor carpi ulnaris, flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus
D) palmaris longus, flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus

Question 12

The extensor digitorum longus and flexor digitorum longus ________.

A) facilitate dorsiflexion and inversion of the foot
B) share a common action: flexion of the toes
C) share a common action: extension of the toes
D) facilitate opposing actions: extension and flexion of the toes, respectively

Question 13

Based on the name gluteus maximus,which of the following statements about the muscle is true?

A) This is the smallest muscle of the femoral region.
B) This is the largest muscle of the gluteal region.
C) This is the intermediate muscle of the gluteal region.
D) This is the largest muscle of the femoral region.

Question 14

Sending a text message to your roommate would be impossible without the actions of ________.

A) the muscles of the anterior forearm
B) the muscles of the posterior component of the arm
C) the intrinsic muscles of the hand
D) the muscles of the anterior compartment of the arm

Question 15

Which of the following terms might be found in the name of a muscle that is shaped like a square?

A) rhombus
B) serratus
C) quadratus
D) brevis

Question 16

The common action of the pectoralis minor,subclavius,and serratus anterior muscles is to ________.

A) rotate the scapula
B) stabilize the pectoral girdle when the shoulder moves
C) elevate the ribs
D) protract the shoulder

Question 17

The gastrocnemius and soleus muscles act as an agonist for ________.

A) dorsiflexion at the ankle
B) flexion of the toe joints
C) eversion of the foot
D) plantar flexion at the ankle

Question 18

Which of the following terms might be found in the name of a muscle that is the larger of two similar muscles in a specific location?

A) medius
B) major
C) brevis maximus
D) minor

Question 19

Superficial muscles of the gluteal region include the ________.

A) piriformis, gluteus maximus, obturator internus, and tensor fasciae latae
B) gluteus medius, gluteus maximus, gluteus minimus, and tensor fasciae latae
C) piriformis, gluteus maximus, gluteus minimus, and tensor fasciae latae
D) quadratus femoris, gluteus maximus, superior gemellus, and tensor fasciae latae

Question 20

The latissimus dorsi ________.

A) extends, adducts, and medially rotates the shoulder
B) depresses and protracts the shoulder
C) extends, flexes, abducts, and medially and laterally rotates the shoulder
D) protracts the shoulder and rotates the scapula