TEST 2 MUSCLE QUESTIONS Flashcards by Naomi Khai

Which of the following is NOT a function of skeletal muscle system?
A. Movement
B. Energy
C. Guarding exits
D. Digestion

D. Digestion

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Muscle cell is characterised by the following EXCEPT?
A. Long cells
B. Single nucleus
C. Striated
D. Voluntary

B. Single nucleus

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Muscle cell has
A. Actin and myoscin
B. Actin and eosin
C. Actin and myosin
D. Actin and miosyn

C. Actin and myosin

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The nerve come in contact with the muscle at
A. Neuromuscular junction
B. Neuromyo junction
C. Mueromuscular junction
D. None of the above

A. Neuromuscular junction

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Which of the following is NOT a rotator cuff muscle
A. Teres minor
B. Supraspinatus
C. Infraspinatus
D. subclavicularis

D. subclavicularis

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Which of the following is not a function of the muscular system?

Movement

Thermogenesis

Maintain posture

Circulation

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Which of the following describes the three types of muscular tissue?

Smooth & cardiac muscle contract involuntarily but skeletal muscle contracts voluntarily

Smooth & cardiac cells have 1 nucleus but skeletal cells are multinucleated.

skeletal muscle cells are connected to nerves across neuromuscular junctions

all of the above

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Muscle is joined to bone by

tendon

ligament

muscle itself

loose connective tissue

tendon

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Skeletal muscle cell is also called

muscle fibers

muscle fasciculi

myofilaments

actin and myosin

muscle fibers

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The ________ of a muscle can be defined based on the location of a muscle’s insertion and origin.

action

contraction

bulk

blood supply

action

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Interaction of actin and myosin results in

lengthening of the muscle fiber

shortening of myosin

relaxation of muscle fiber

tightening and shortening of muscle fiber

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Which of the following is NOT true about muscle movement?

Muscle pulls the tendon of both origin and insertion end.

Muscle’s angle of pull is perpendicular to the joint

Muscle is attached to the bone by tendon in origin and insertion end.

Muscle work in pairs across the joint

Muscle pulls the tendon of both origin and insertion end.

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Signals are transmitted from the brain to muscle fibers via motor neurons at

Neuromuscular junction

Neuromyo junction

Neuroactin junction

Neurofibrillar junction

Neuromuscular junction

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Which among the following is NOT true about skeletal muscles

Skeletal muscle contributes 40% of the body weight

Fascial muscles arises from the fascia below skin.

Upper limb muscles are more in number than the lower limb muscles

Upper limb muscles are more stronger than the lower limb muscles

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Location of frontalis muscle

Cheeks

Forehead

Mouth

Eyes

Forehead

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Location of orbicularis oris muscle

In front of the frontal bones

cheeks

around eyes

around mouth

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Location of buccinator muscle

around eyes

around mouth

In front of the frontal bones

cheeks

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Location of Risorius muscle

jaw angle

temporal region

cheek

chin

cheek

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Location of Zygomaticus muscle

angle of mouth to cheek skin

zygomatic bone to mandible

temporal region

angle of mouth to zygomatic bone

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Location of Temporalis muscle

angle of mouth to zygomatic bone

temporal region

angle of mouth to cheek skin

zygomatic bone to mandible

temporal region

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Location of masseter muscle

angle of mouth to cheek skin

angle of mouth to zygomatic bone

temporal region

zygomatic bone to mandible

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Action of frontalis muscle

raise eyebrows

close eyes

close mouth

compresses cheek

raise eyebrows

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Action of orbicularis oculi muscle

raise eyebrows

close eyes

close mouth

compresses cheek

close eyes

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Action of orbicularis oris muscle

raise eyebrows

close eyes

close mouth

compresses cheek

close mouth

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Which of the following is a primary action of the buccinator muscle? Elevation of the mandible. Flexion of the neck. Depressor of the lower lip. Compression of the cheeks.

Compression of the cheeks.

Action of Risorius muscle pull angle of mouth laterally pull angle of mouth laterally and upwards pull angle of mouth laterally and downwards elevation of mandible

pull angle of mouth laterally

Action of Zygomaticus muscle pull angle of mouth laterally pull angle of mouth laterally and upwards pull angle of mouth laterally and downwards elevation of mandible

pull angle of mouth laterally and upwards

Action of Temporalis muscle pull angle of mouth laterally pull angle of mouth laterally and upwards pull angle of mouth laterally and downwards elevation of mandible

elevation of mandible

Action of masseter muscle pull angle of mouth laterally pull angle of mouth laterally and upwards pull angle of mouth laterally and downwards elevation of mandible

elevation of mandible

Location of Platysma - temple neck behind the spine mastoid process

neck

Location of Sternocleidomastoid - neck to mandible clavicle to mastoid process behind the spine front of the abdomen

clavicle to mastoid process

The location of the erector spinae muscles is in front of the abdomen. from the neck to the mandible. behind the spine. from the clavicle to the mastoid process.

behind the spine.

Location of rectus abdominis - behind the spine neck to mandible front of the abdomen clavicle to mastoid process

front of the abdomen

Action of Platysma is to turns face to opposite side depress mandible extension of trunk flexion of trunk

depress mandible

Action of Sternocleidomastoid is to depress mandible turns face to opposite side extension of trunk flexion of trunk

turns face to opposite side

The action of the erector spinae muscle: Flexion of trunk. Flexion of neck. Extension of hip joint. Extension of trunk.

Extension of trunk.

Action of rectus abdominis is to depress mandible turns face to opposite side extension of trunk flexion of trunk

flexion of trunk

Which of the following is important muscles of respiration? rectus abdominis diaphragm trapezius neck muscles

diaphragm

Shoulder and pelvic girdle with appendicular muscles helps to attach the spine to the skull all of the above to stabilize the girdles move the torso

to stabilize the girdles

Location of trapezius Lower back Around shoulder Upper back Upper anterior chest

Upper back

Location of deltoid Upper anterior chest Lower back Upper back Around shoulder

Around shoulder

Location of latissimus Dorsi upper back shoulder lower back anterior chest

lower back

Location of is pectoralis major in Superficial muscle of back Around shoulder lower back Upper anterior chest

Upper anterior chest

Action of trapezius is to elevate scapula abduct shoulder adduct shoulder joint flex shoulder joint

elevate scapula

Action of deltoid is to flex shoulder joint abduct shoulder joint elevate scapula joint adduct shoulder joint

abduct shoulder joint

Action of latissimus Dorsi is to elevate scapula abduct shoulder adduct shoulder joint flex shoulder joint

adduct shoulder joint

Action of is pectoralis major is to elevate scapula joint adduct shoulder joint abduct shoulder joint flex elbow joint

adduct shoulder joint

Which of the following is NOT a rotator cuff muscle? Supraspinatus Infraspinatus Teres minor Subsclavularis

Subsclavularis

Location of Biceps anterior part of arm posterior part of forearm anterior part of forearm posterior part of arm

anterior part of arm

Location of Triceps posterior part of arm anterior part of arm anterior part of forearm posterior part of arm

posterior part of arm

Location of extensors of wrist anterior part of arm anterior part of forearm posterior part of arm posterior part of forearm

posterior part of forearm

Location of flexors of wrist anterior part of forearm posterior part of arm posterior part of arm anterior part of arm

anterior part of forearm

Lower limb muscle compartment comprises of the following EXCEPT flexor extensor adductor abductor

abductor

Location of gluteal muscles medial aspect of thigh anterior part of thigh pelvis buttock

buttock

Location of adductor muscles medial aspect of thigh pelvis buttock anterior part of thigh

medial aspect of thigh

Location of sartorius muscles anterior part of thigh medial aspect of thigh buttock pelvis

anterior part of thigh

Action of gluteal muscles extension of hip joint flexion of hip joint adduction of hip joint flexion of knee joint

extension of hip joint

Action of Iliapsoas flexion of knee joint adduction of hip joint extension of hip joint flexion of hip joint

flexion of hip joint

Action of adductor muscles extension of hip joint flexion of hip joint adduction of hip joint flexion of knee joint

adduction of hip joint

Action of sartorius muscles adduction of hip joint flexion of knee joint extension of hip joint flexion of lumbar joint

flexion of knee joint

Location of quadriceps is anterior part of thigh posterior part of thigh anterior part of leg posterior part of leg

anterior part of thigh

Location of hamstring is anterior part of thigh posterior part of thigh anterior part of leg posterior part of leg

posterior part of thigh

Location of gastrocnemius is anterior part of thigh posterior part of thigh anterior part of leg posterior part of leg

posterior part of leg

Location of tibialis anterior is anterior part of thigh posterior part of thigh anterior part of leg posterior part of leg

anterior part of leg

Achilles tendon is formed by Gastrocnemius and Soleus Tibialis anterior and Soleus Gastrocnemius and tibialis anterior Gastrocnemius and popliteus

Gastrocnemius and Soleus

When standing on tiptoe, the muscles primarily involved in the posterior part of the leg include: Gastrocnemius and Soleus Tibialis anterior and Soleus Gastrocnemius and tibialis anterior Gastrocnemius and popliteus

Gastrocnemius and Soleus

This tendon has the patella. Quadriceps Soleus Tibialis anterior Popliteus

Quadriceps

The large muscle group that attaches the leg to the pelvic girdle and produces extension of the hip joint is the ________ group. gluteal obturator adductor abductor

gluteal

What is the origin of the wrist flexors? the lateral epicondyle of the humerus the medial epicondyle of the humerus the carpal bones of the wrist the deltoid tuberosity of the humerus

the medial epicondyle of the humerus

Which is moved the most during muscle contraction? the ligaments origin bone cartilage insertion bone

insertion bone