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140 terms

A&P chp 11

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circular
Muscles that guard entrances and exits of internal passageways are ___ muscles.
parallel
The type of muscle whose functional characteristics most closely resemble those of its muscle fibers is the ___ muscles.
pennate
Skeletal muscles in which the fascicles form a common angle with the tendon are ___ muscles.
third-class
The most common lever system in the body are those thst have applied force between the fulcrum and the load. These are called ___ levers.
chewing
A muscle that inserts on the body of the mandible is probably involved in:
all: flexion, medial rotation, adduction
The pectoralis major muscle inserts on the tubercle of the humerus. When it contracts, it produces:
extend the forearm
Muscles that insert on the olecranon process of the ulna can act to:
brachioradialis
Which of the following muscles does not have an action that is antagonistic to the action of the brachialis muscle?
synergist
A muscle that assists the muscle that is primarily responsible for a given action is a:
collagen content of the muscle
The names of the muscles can indicate all of the following, except:
rectus
Muscle with fibers that run parallel to the long axis of the body are called:
sartorius
Each of the following term is a descriptive term for a muscles action, except:
genio
Which of the following terms could be used with a muscle that is associated with the chin?
hallucis
Each of the following terms is used to describe the shape of a muscle, except:
tongue
A muscle whose name ends in the suffix -glossus would be found within or attached to the:
head
Muscles including the term capitis would be found within or attached to the:
masseter
Which of the following is not primarily a muscle of facial expression?
orbicularis oris
The "kissing muscle" that purses the lips is the:
levator palpebrae
All of the following are innervated by the facial nerve (N VII), except for the ____ muscle.
galea aponeurotica
The origin of the frontalis muscle is the:
zygomatic arch
The temporalis muscle passes through the:
move the muscle
The auricularis acts to:
skin of the chin
The mentalis muscle inserts on the:
wrinkles the brow
Which of the following describe the action of the corrugator supercilii?
lateral nasal cartilage
The procerus inserts on the:
elevates the larynx and depresses the mandible
Which of the following describes the action of the digastric muscle?
rectus abdominis
Which of the following is not an extrinsic eye muscle?
platysma
The anterior muscle that inserts widely on the periosteum of the mandible is the:
palatoglossus
The muscle that elevates the tongue is the:
sternothyroid
Which of the following does not originate or insert on the hyoid bone?
styloglossus
which of the following muscles has its origin on the hyoid and inserts on the tongue?
all: quadratus lumborum, longus capitis, & longus colli
Which of the following is a spinal flexor?
quadratus lumborum
The iliac crest is the origin of the :
mastoid process
The sternocleidomastoid inserts on the:
transverse and costal processes of cervical vertebrae
The scalenes have their origin on the:
rectus abdominis
Which of the following muscles has its origin on the sternum?
rectus abdominis
The muscle that inserts on the superior surface of the pubis around the symphysis is the:
all: external oblique, rectus abdominis, transverse abdominis
Which of the following muscles compresses the abdomen?
collagen sheath at the base of the clitoris
Which of the following is the origin of the bulbospongiosus?
all of the above
Which of the following muscles is found within the pelvic floor?
coccyx
The levator ani inserts on the:
both: rhomboid major, & trapezius
The spinous process of the upper thoracic vertebrae are the origin of the:
the greater tubercle of the humerus
Which of the following is the insertion of the pectoralis major?
protracts the shoulder, abducts and medially rotates the scapula
Which of the following describes the action of the serratus anterior?
deltoid
Which of the following does not move the shoulder gridle?
rhomboid
The muscle that adducts and rotates the scapula laterally is the:
trapezius
The muscle that inserts on the acromion and scapular is the:
pectoralis major
All of the following originate on the scapula, except the:
deltoid
The powerful abductor muscle of the upper arm is the:
subclavius
Which of the following is not a muscle of the rotator cuff?
both: coracobrachialis, & latissimus dorsi
A muscle that adducts the humerus is the:
greater tubercle of the humerus
The infraspinatus has it's insertion on the:
biceps brachii
Which of the following does not originate on the humerus?
triceps
The muscle that extends the arm while doing push-ups is the:
olecranon process of the ulna
Which of the following is the insertion of the triceps brachialis?
all of the above
Which of the following originates on the medial epicondyle of the humerus?
pronator quadratus
The muscle that pronates the forearm and pposes biceps brachii is the:
flexor pollicis longus
When opposing the thumb, which muscle is active?
adductor pollicis
The muscle that adducts the thumb is the:
pubis
The adductor brevis has its origin on the:
gluteus maximus
The muscle that inserts on the iliotibial tract and gluteal tuberosity of the femur is the:
iliotibial tract
The band of collagen fibers that laterally braces the knee is the:
tensor fasciae latae
Muscles that laterally rotate the thigh include all of the following, except the:
all of the above
Which of the following is a member of the hamstring group?
gluteus maximus
Which of the following muscles pulls on the iliotibial tract?
sartorius
The only knee flexor that originates superior to the acetabulum is the:
gracilis
The inferior ramus of the pubis is the origin and the medial tibia is the insertion of the ___ muscle.
all: vastus; lateralis, medialis, & intermedius
A muscle that originates along the linea aspera of the femur is:
popliteus
The muscle that unlocks the knee joint is the:
the fabella
A sesamoid bone occasionally found within the lateral head of the gastrocnemius is:
all of the above
Which of these muscles is a member of the quadriceps group?
the inferior surface of the distal phalanx of the great toe
The insertion of the flexor hallucis longus is:
tibialis anterior
An antagonist to the gastrocnemius is the:
tibialis anterior
A muscle that dorsiflexes the foot is the:
B) pectoral girdle
The freedom of movement is relatively greater in the: a) pelvic girdle b) pectoral girdle
tendon attachment that moves
Which of these phrases most aptly describes "muscle insertion"?
all of the above
The bones, which serves as levers in the body, change:
medialis
Muscles located close to the midline of the body may be called:
infraspinatus and teres minor muscles
Reflection of the trapezius muscle exposes the:
oblique
Muscles with fibers that run at an angle to the long axis of the body are called:
parallel muscles
Most of the skeletal muscles in the body are:
30 percent
A skeletal muscle fiber can contract until it has shortened by about:
23kg (50lb)
In a 6.45-cm2 (1-inch2) cross section, parallel muscle can exert approximately ___ of isometric tension.
convergent
___ muscle fibers pull in different directions, permitting different actions depending on stimulation.
transversus
Muscles with fibers that run perpendicular to the long axis of the body are called:
circular
In a ___ muscle, the fascicles are concentrically arranged around an opening.
both: a rigid structure, & a pivot point or fulcrum
A lever consists of:
both: prime mover, & antagonist
A ___ is a muscle whose contraction is chiefly responsible for producing a particular movement.
superficialis
Muscles visible at the body surface are often called:
extrinsic
superficial muscles that position or stabilize an organ are called:
intrinsic
Muscles located entirely within an organ are called:
profundus
Deep muscles are called:
teres
Muscles that are long and round in cross section are termed:
the muscles of vocal expression
The axial muscles of the head and neck are assigned to one of the following functional groups, except:
platysma
The ___ covers the anterior surface of the neck.
all of the above
The eye muscles include which of the following muscles?
superior oblique
Which eye muscle sends its tendon of origin through a pulley or trochlea before inserting on the globe?
inferior rectus
The ___ muscle allows yoiu to look down.
superior rectus
The ___ allows you to look up.
masseter
The ___ muscle is the strongest jaw muscle.
genioglossus
In assessing a stroke patient, you ask her to stick our ( protract) her toungue. You note that it deviates to one side. You suspect that damage to the neural control of the ___ muscle has occurred.
spinalis cervicis
The ___ extends the neck.
second-class
Contracting the gastrocnemius muscles to elevate the body on the toes involves a ___ lever.
both: lateral rectus, & medial rectus
Ryan hears a loud noise and quickly turns his eyes sideways in the direction of the sound. To accomplish this action he must use his ___ muscles.
rectus abdominis
During abdominal surgeon, the surgeon makes a cut lateral to the linea alba. The muscle that would be cutt is the:
both: elevates the eyebrow, & raises the upper eyelid
Which of these is true about the muscle named levator palpebrae surperioris?
36
The leverage of biceps brachii applies its force six times closer to the fulcrum (elbow joint) then the resistance. This means it will need to exert ___ kg of force to support a load of 6 kg.
pectoralis
Which of the following is not a pennate muscle?
perpendicular
Which of the following is not one of the forms of fascicle organization?
all of the above
The muscle of he head and neck function in:
oblique and rectus muscles
Muscular walls of tthe thoax and abdomen are composed of:
omohyoid
Each of the following muscles is involved in the process of chewing or manipulationg food in the mouth, except the:
medial rectus
Medial rotation of the eyeball is performed by the ___ muscle:
rectus abdominis
A muscle that flexes the spinal column is the:
intercostals
Damage to which of the following muscles would interfere most with the ability to breathe?
bulbospongiosus
Which of the following muscles functions to expel urine or semen in males?
rhomboid
Muscles of the rotator cuff include all of te following, except the:
all of the above
Which of these muscles produces lateral rotation at the hip?
vastus lateralis
Each of the following muscles acts to flex the leg, except the:
biceps femoris
The quadriceps group includes all the following, except the:
biceps femoris
Which of the following muscles belongs to the "hamstring" muscle group?
both: inguinal hernia, & diaphragmatic hernia
Excessive abdominopelvic pressure can cause:
abduct the humerus
Damage to the pectoralis major would interfere with a persons ability to:
both: extending you hip, & laterally rotating your hip
If you bruised your gluteus maximus, you would experience discomfort when:
soleus
Tom is having difficulty plantar flexing and everting his foot. Which muscles is most likely involved in this problem?
vastus lateralis
The preferred site for intramuscular (IM) injections in infants in the:
all of the above
If the anterior compartment of the lower limb was suffering from "compartmnet syndrome" which of these muscles would be at risk of injury?
the buccinator and orbicularis oris
Tom, a trumpet player, asks you which muscles he should develop in order to be a better trumpeter. What would you tell him?
medial rectus
Pam's daughter is born cross-eyed. As she grows, the problem does not become any better. Her physician suggest cutting and eye muscle to bring the eyes into a more
flex and adduct her hand
Jill suffers a severe cut that severs the tendon that attaches the insertion of the floxor carpi ulnaris. As a result of this injury, what action is difficult for her to perform?
trapezius
Identify the muscle labeled "1"
brachialis
Identify the muscle labeled "6"
tibialis anterior
Identify the muscle labeled "11"
sartorius
Identify the muscle labeled "25"
gastrocnemius
Identify the muscle labeled "27"
latissimus dorsi
Identify the muscle labeled 6
deltoid
Identify the muscle labeled 2
biceps femoris
Identify the muscle labeled 11
gastrocnemius
Identify the muscle labeled 12
anconeus
Identify the muscle labeled 7