Anatomy Chapter 6 Practice Questions
zygomaticus
"smiling" muscle that raises corners of the mouth
33) A muscle located on the ventral (anterior) side of the body is the: A) pectoralis major B) occipitalis C) gastrocnemius D) gluteus medius E) latissimus dorsi
A
38) Which one of the following is the action of the orbicularis oris: A) closes, purses, and protrudes the lips B) pulls the lower lip down and back C) draws the eyebrows together D) allows blinking, squinting, and various other protective mechanisms for the eye E) closes the jaw
A
40) Which one of the following muscles is involved in abduction of the arm at the shoulder joint: A) deltoid B) biceps brachii C) triceps brachii D) latissimus dorsi E) pectoralis major
A
43) Which of the following muscles are antagonists: A) biceps brachii and triceps brachii B) bicpes femoris and biceps brachii C) vastus medialis and vastus lateralis D) masseter and temporalis E) gastrocnemius and soleus
A
44) Paralysis of which of the following would make an individual unable to flex the knee: A) hamstring muscle group B) gluteal muscle group C) gastrocnemius D) sartorius E) iliopsoas
A
Muscle that apposes and reverses the action of another muscle.
Antagonist
Abduction
Away
The muscle covering the anterolateral neck that draws the corners of the mouth downwards as in expressing horror is the:
Platysma
Which muscle is involved in crossing one leg over the other while in a sitting position and upward kicking of a hacky sack by the medial surface of the foot?
Sartorious
Define Insertion:
Site that its attached to the bone and its moved by the contraction of the muscle
Main muscle pair used in turning the head to say "no".
Sternocliedomastiod
Spasms of this straplike muscle often result in torticollis (wryneck):
Sternocliedomastiod
Muscle that aides another muscle by promoting the same movement.
Synergist
Define muscle tone:
The state of continuous partial contractions
Adduction
Toward
Smiling muscle that raises the corners of the mouth.
Zygomaticus
buccinator
a nursing infant develops this powerful sucking muscle that adults also use for whistling or blowing a trumpet; helps keep food between the grinding surfaces of the teeth during chewing
deltoid
a prime mover involved in abduction of the arm at the shoulder joint
primary action of the middle deltoid
abduction
primary action of the supraspinatus
abduction
while doing jumping jacks arms moving away from body=
abduction
while doing jumping jacks during an exercise class, your arms and legs move laterally away from the midline of you body. This motion is called
abduction
the movement of a limb toward the body midline
adduction
Muscles that opposes and reverses the action of another muscle
antagonist
paralysis of what muscle would make it hard to extend the hip
biceps femoris
a nursing infant develops a powerful sucking muscle that adults also use for whistling or blowing a trumpet called the:
buccinator
kissing muscle
buccinator
the arrangement of fascicles in orbicularis oris is _______
circular
the movement that is commonly seen in a ball-in-socket joint, that involves a combination of flexion, extension, abduction, and adduction is called ____
circumduction
orbicularis oris
closes, purses and protrudes the lips; "kissing" muscle
quadriceps femoris muscle group
composed of the three vastus muscles and the rectus femoris
which of the following muscles is involved in abduction of the arm at the shoulder joint
deltoid
frontalis muscle
enables raising of the eyebrows and horizontal wrinkling of the forehead
primary action of the erector spinae
extension
type of movement that increases the angle of the joint
extension
muscle that stabilizes the origin of another muscle
fixator
primary action of the rectus abdominis
flexion
which of the following muscles enables raising of the eyebrows and horizontal wrinkling of the forehead
frontalis
paralysis of which of the following would make an individual unable to flex the knee
hamstring muscle group
tibialis anterior
involved in dorsiflexion and inversion at the ankle joint
broad muscle of the lower back that inserts on the humerus
latissimus dorsi
which muscle is involved in adduction of the upper extremity to return an individual to anatomical position
latissimus dorsi
which of the following does not compress the abdomen
latissimus dorsi
sternocleidomastoid
main muscle pair used in turning the head to say "no"
which muscles close the jaw?
masseter and temporalis
which of the following is not a criteria generally used in naming muscles
method of attachment
synergist
muscle that aids another muscle by promoting the same movement
antagonist
muscle that opposes and reverses the action of another muscle
fixator
muscle that stabilizes the origin of another muscle
the ______ of a muscle is attached to the immovable or less movable bone
origin
hamstring muscle group
paralysis of the _________ ______ _____ would make an individual unable to flex the knee
iliopsoas and rectus femoris
paralysis of these would make an individual unable to flex the thigh
gastrocnemius
plantar flexion at the ankle joint is accomplished by this muscle
the quadriceps muscle that crosses both the hip and the knee is the ______ muscle.
rectus femoris
main muscle pair used in turning the head "no"
sternocleidomastoid
type of movement that results when the forearm rotates laterally so that the palm faces anteriorly
supination
radius; ulna
supination and pronation refer to movements of the ______ around the ____
a muscle group that works with and assists the action of a prime move is a
synergist
muscle that aids another muscle by promoting the same movement
synergist
latissimus dorsi
the broadest muscle of the lower back; inserts on the humerus; doesn't compress the abdomen
calcaneal (achilles) tendon
the gastrocnemius muscles inserts at the heel by this
temporal
the mastoid process attachment of the sternocleidomastoid muscle on the ________ bone represents its insertion
rectus abdominus
the most superficial muscle of the abdominal wall
platysma
the muscle covering the anterolateral neck that draws the corners of the mouth downward as in expressing horror; produces a downward sag of the mouth
dorsal
the trapezius muscle is located on this side of the body
triceps brachii
this acts as an antagonist while flexing the forearm at the elbow joint; the most powerful forearm extensor of the elbow joint
sartorius muscle
this muscle flexes the thigh at the hip joint; involved in crossing one leg over the other while in a sitting position and upward kicking of hacky sack by the medial surface of the foot
which of the following muscles is involved in dorsiflexion and inversion at the ankle joint
tibialis anterior
a muscle located on the dorsal side of the body is the
trapezius
while flexing the forearm at the elbow joint the,
triceps branchii acts as an antagonist
the deepest muscle of the abdominal wall is the transverse abdominis
true
the most superficial muscle of the abdominal wall is the rectus abdominus
true
abduction
while doing "jumping jacks" your arms and legs move laterally away from the midline of your body. this motion is called
smiling muscle that raises the corners of the mouth
zygomaticus
the muscle referred to as the "smiling" muscle because it raised the corners of the mouth upward is the ______
zygomaticus
A nursing infant develops a powerful sucking motion that adults also use for whistling or blowing a trumpet called the:
Buccinator
The ________ muscle helps keep food between the grinding surfaces of the teeth during chewing.
Buccinator
36) A muscle group that works with and assists the action of a prime mover is a(n): A) antagonist only B) fixator only C) synergist only D) antagonist and synergist E) antagonist and fixator
C
42) While doing "jumping jacks" during an exercise class, your arms and legs move laterally away from the midline of your body. This motion is called: A) extension B) flexion C) abduction D) adduction E) circumduction
C
The movement that is commonly seen in a ball-in-socket joint, that includes a combination of flexion, extension, abduction, and adduction, is called?
Circumduction
30) Sandra is playing the piano for her recital. Which muscle is not involved in the movement of her hands and/or fingers: A) flexor carpi radialis B) flexor carpi ulnaris C) extensor digitorum D) extensor digitorum longus E) extensor carpi radialis
D
32) Which one of the following does NOT compress the abdomen: A) internal oblique B) external oblique C) transversus abdominis D) latissimus dorsi E) rectus abdominis
D
34) A nursing infant develops a powerful sucking muscle that adults also use for whistling or blowing a trumpet called the: A) platysma B) masseter C) zygomaticus D) buccinator E) temporalis
D
35) Which of these muscles is not responsibile for flexion or extension of the arm? A) biceps brachii B) triceps brachii C) brachialis D) platysma E) latissimus dorsi
D
45) Which one of the following is NOT a criteria generally used in naming muscles: A) relative size of the muscle B) number of origins of the muscle C) shape of the muscle D) method of attachment of the muscle to bone E) action of the muscle
D
29) Which of the following muscles closes the jaw: A) the buccinator B) the masseter C) the frontalis D) the sternocleidomastoid E) the masseter and the temporalis
E
37) Which of the following muscles is not involved in dorsiflexion and/or plantar flexion of the foot: A) gastrocnemius B) tibialis anterior C) extensor digitorum longus D) soleus E) iliopsoas
E
39) Paralysis of which of the following would make an individual unable to flex the thigh: A) biceps femoris B) vastus medialis C) vastus lateralis D) vastus intermedius E) iliopsoas and rectus femoris
E
41) Which of the following muscles adducts the thigh: A) peroneus muscles B) gluteus maximus C) sartorius D) quadriceps group E) adductor muscles
E
Muscle that stabilizes the origin of another muscle.
Fixator
Which muscle enables raising of the eyebrows and horizontal wrinkling of the forehead?
Frontalis
Broad muscle of the lower back that inserts on the humerus.
Latisimus Dorsi
An autoimmune muscular disease of adulthood that is characterized by muscle weakness and fatigue and is caused by a shortage of acetylcholine receptors at the neuromuscular junction is:
Myastchenia Gravis
method of attachment of muscle to bone
NOT a criteria generally used in naming muscles
torticollis (wryneck)
spasms of the straplike sternocleidomastoid muscle often results in this
the movement of a bone around its longitudinal axis
rotation
internal oblique muscle
runs deep to the external oblique muscle
which of the following muscles is involved in crossing crossing one leg over the other....
sartorius
beside causing rotation at the shoulder joint, name another function of the rotator cuff muscles
snubbing