Deck 10: Muscular System

Question 1

Which of the following types of muscles act as valves to open and close body openings?

A) Pennate
B) Circular
C) Bipennate
D) Convergent
E) Parallel

Answer 1

B

Question 2

Which of the following terms is used for a muscle related to the legs?

A) Nuchal
B) Genio
C) Costalis
D) Popliteus
E) Cleido

Answer 2

D

Question 3

Which of the following does not describe the shape of a muscle?

A) Fusiform
B) Pollicis
C) Trapezius
D) Deltoid
E) Pectoralis

Answer 3

B

Question 4

The suffix -glossus means which of the following?

A) Lips
B) Jaw
C) Tongue
D) Cheek
E) Chin

Question 5

Which of the following is an example of a convergent muscle?

A) Brachialis
B) Pectoralis major
C) Biceps brachii
D) Trapezius
E) Rhomboid major

Question 6

Which of the following is the longest muscle in the body, becoming active when the legs are crossed?

A) Extensor carpi
B) Radialis longus
C) Adductor longus
D) Gastrocnemius
E) Sartorius

Question 7

Which of the following types of levers is demonstrated by the workings of a pair of scissors?

A) First-class
B) Second-class
C) Third-class
D) Fourth-class
E) Fifth-class

Question 8

Which of the following muscles raises the corners of the mouth?

A) Temporoparietalis
B) Orbicularis oris
C) Platysma
D) Buccinator
E) Zygomaticus

Question 9

Which of the following is the strongest jaw muscle?

A) Masseter
B) Temporalis
C) Sternocleidomastoid
D) Styloglossus
E) Hyoglossus

Question 10

Which of the following muscles elevates the mandible bone?

A) Styloglossus
B) Splenius capitis
C) Mylohyoid
D) Temporalis
E) Masseter

Question 11

Which of the following muscles flexes the neck?

A) Geniohyoid
B) Semispinalis capitis
C) Sternocleidomastoid
D) Mylohyoid
E) Omohyoid

Question 12

Which of the following muscles compresses the cheeks inward?

A) Buccinator
B) Epicranius
C) Orbicularis oris
D) Orbicularis oculi
E) Platysma

Question 13

Which of the following muscles has its origin on the medial surface of the mandible at the chin?

A) Thyrohyoid
B) Sternohyoid
C) Geniohyoid
D) Styloglossus
E) Lateral pterygoideus

Question 14

Which of the following muscles raises the eyebrows?

A) Platysma
B) Epicranius
C) Buccinator
D) Orbicularis oris
E) Temporalis

Question 15

Which of the following muscles rotates the neck?

A) Spinalis thoracis
B) Longissimus capitis
C) Iliocostalis cervicis
D) Spinalis cervicis
E) Splenius cervicis

Question 16

Which of the following muscles extends the vertebral column and depresses the ribs?

A) Iliocostalis cervicis
B) Iliocostalis thoracis
C) Iliocostalis lumborum
D) Longissimus cervicis
E) Longissimus thoracis

Question 17

Which of the following muscles abducts the arm and extends or flexes the humerus?

A) Deltoid
B) Pectoralis major
C) Subscapularis
D) Teres minor
E) Teres major

Question 18

Which of the following muscles inserts to the coronoid process of the ulna?

A) Biceps brachii
B) Pronator quadratus
C) Brachialis
D) Pronator teres
E) Brachioradialis

Question 19

Which of the following muscles compresses the abdominal contents and flexes the vertebral column?

A) Serratus posterior superior
B) Serratus posterior inferior
C) External intercostals
D) External oblique
E) Rectus abdominis

Question 20

Which of the following muscles flexes the leg and extends the thigh?

A) Gluteus minimus
B) Piriformis
C) Biceps femoris
D) Quadratus femoris
E) Psoas major

Question 21

Which of the following is not a member of the hamstrings?

A) Rectus femoris
B) Vastus intermedius
C) Biceps femoris
D) Vastus lateralis
E) Vastus medialis

Question 22

Which of the following muscles rotates laterally and abducts at the hip?

A) Piriformis
B) Iliacus
C) Psoas major
D) Biceps femoris
E) Rectus femoris

Question 23

Which of the following muscles opposes the gastrocnemius?

A) Tibialis anterior
B) Tibialis posterior
C) Peroneus brevis
D) Soleus
E) Biceps femoris

Question 24

The immovable end of a muscle is the:

A) insertion.
B) proximal end.
C) belly.
D) origin.
E) insertion.

Question 25

Which of the following muscles extends the head?

A) Semispinalis capitis
B) Rhomboid major
C) Sternocleidomastoid
D) Pectoralis major
E) Deltoid

Question 26

Which of the following is the muscle that pulls the head to one side, towards the chest?

A) Sternocleidomastoid
B) Semispinalis capitis
C) Temporalis
D) Masseter
E) Buccinators

Question 27

Which of the following muscles constricts the vagina?

A) Rectus abdominis
B) Transversus abdominis
C) Bulbospongiosus
D) Pubococcygeus
E) Iliococcygeus

Question 28

Which of the following muscles adducts the thigh and flexes, as well as rotates, the lower limb medially?

A) Gracilis
B) Rectus femoris
C) Deep transverse perineal
D) Quadratus plantae
E) Flexor hallucis brevis

Question 29

Which of the following terms refers to short muscle?

A) Longus
B) Maximus
C) Triangle
D) Brevis
E) Minimus

Question 30

A lever is a rigid structure that moves on a(n) __________ point.

Question 31

The triceps brachii is a powerful forearm __________.

Question 32

The serratus anterior is known as the __________ muscle.

Question 33

The muscles are subdivided into the axial and __________ sections.

Question 34

Many head and neck muscles are innervated by the __________ nerves.

Question 35

Laryngeal elevator muscles are inserted to the __________ cartilage.

Question 36

The levator veli palatini muscle __________ the soft palate.

Question 37

The splenius capitis muscle inserts to the mastoid process of the __________ bone.

Question 38

The stylohyoid muscle inserts to the __________ bone.

Question 39

The coccygeus muscle flexes the __________ joints and supports the pelvic floor.

Question 40

The adductor longus muscle inserts to the posterior surface of the __________.

Question 41

The gluteus maximus muscle extends the thigh, while the gluteus medius __________ and rotates the thigh medially.

Question 42

The rectus femoris muscle inserts to the __________ by the tendon, which continues as the patellar ligament, to the tibial tuberosity.

Question 43

The vastus lateralis muscle innervates the femoral nerve, while the biceps femoris innervates the __________ nerve.

Question 44

The sartorius muscle flexes, __________, and rotates the thigh laterally.

Question 45

The rectus femoris and vastus lateralis muscles __________ the leg at the knee.

Question 46

The fibularis brevis muscle causes eversion of the foot and extension of the __________.

Question 47

The tensor fasciae latae muscle abducts, flexes, and rotates the __________ medially.

Question 48

A muscle that contracts to provide a desired movement is called an antagonist.

Question 49

Contracting the calf muscles to elevate the body on the toes involves a second-class lever.

Question 50

The rhomboid major muscle raises and adducts the scapula.

Question 51

The trapezius muscle rotates the scapula and raises the arm.

Question 52

The coracobrachialis muscle flexes and adducts the leg.

Question 53

The latissimus dorsi muscle extends and adducts the arm.

Question 54

The pronator teres muscle rotates the forearm medially.

Question 55

The biceps brachii muscle inserts to the coronoid process of the ulna.

Question 56

The abductor pollicis brevis muscle abducts the thumb.

Question 57

Contraction of the diaphragm decreases the size of the thoracic cavity.

Question 58

The rectus abdominis muscle inserts to the linea alba and the crest of the pubis.

Question 59

The external anal sphincter closes the anal opening.

Question 60

The pectineus muscle extends and abducts the thigh.

Question 61

The gluteus minimus muscle abducts and rotates the thigh medially.

Question 62

The semimembranosus and biceps femoris muscles flex the leg and extend the thigh.

Question 63

The rectus femoris muscle flexes the leg at the knee.

Question 64

The gastrocnemius muscle inserts to the posterior surface of the calcaneus bone.

Question 65

The extensor digitorum brevis muscle flexes the metatarsophalangeal joints.