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70 terms

Anatomy: Chapter 11 QUIZ

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Circular
Muscles that guard entrances and exits of internal passageways:
Circular
In a ____________ muscle, the fascicles are concentrically arranged around an opening.
Parallel
The type of muscle whose functional characteristics most closely resemble those of its muscle fibers is the ___________ muscle.
Pennate
Skeletal muscles in which the fascicles form a common angle with the tendon are __________ muscles.
Perpendicular
Which of the following is NOT one of the forms of fascicle organization?
a) Parallel
b) Perpendicular
c) Circular
d) Pennate
e) Convergent
Convergent
__________ muscle fibers pull in different directions, permitting different actions depending on stimulation.
Parallel
Most of the skeletal muscles in the body are ______ muscles.
Fascicles
Muscle fibers in skeletal muscles form bundles called:
Raphe
In a convergent muscle, fibers converge on a common attachment site that may be a slender band of collagen fibers known as:
Origin, Insertion, & Contraction (Actions)
What 3 functional roles in a movement are used to characterize muscle groups?
Origins
These are the places where the fixed end attaches to the bone, cartilage, or connective tissue:
Insertion
This is the site where the moveable end attaches to another structure:
Contracts
When a muscle ____________, it produces a specific action or movement.
Actions
____________ are described using the terms of flexion, extension, and adduction.
Synergist
A _______________ is a muscle whose contraction is chiefly responsible for producing a particular movement.
Tendon attachment that moves
Which of these phrases most aptly describes "muscle insertion"?
Extend the forearm
Muscles that insert on the olecranon process of the ulna can act to:
Synergist
A muscle that assists the muscle that is primarily responsible for a given action is called a(n):
Insertion
The end of a muscle that is attached to the point that moves when the muscle contracts is called the:
Origin
The end of a muscle that remains stationary when the muscle contracts is called the:
Gluteus medius
Which of the following is NOT part of the hamstring group?
Plantar flexion
What is the action of the gastrocnemius (calf muscle)?
Extension and lateral rotation of the hip
What is the action of the gluteus maximus? (2 parts to this)
Circumduction of scapula
Which of the following is NOT an action of the trapezius?
a) elevate scapula
b) elevate, retract, depress, and rotate scapula upward
c) circumduction of scapula
d) extention of neck
Infraspinatus
Which muscle produces the same action (synergist) as the teres minor?
Extensor digitorum
Which of the following muscles produces extension of the finger joints and wrist?
Pectoralis major
The action of this muscle includes flexion, adduction, and medial rotation at the shoulder:
Triceps brachii
Which of the following muscles does NOT flex the elbow (forearm)?
a) brachioradialis
b) biceps brachii
c) brachialis
d) triceps brachii
Flexor carpi radialis
Which of the following muscles acts as an atagonist of the extensor carpi radialis brevis?
a) latissimus dorsi
b) brachioradialis
c) flexor carpi radialis
d) extensor carpi radialis longus
Tensor fasciae latae
Which of the following muscles is NOT part of the quadriceps femoris group?
a) vastus medialis
b) vastus lateralis
c) tensor fasciae latae
d) rectus femoris
Sartorius
Which of the following is NOT part of the adductor group?
a) pectineus
b) gracilis
c) adductor longus
d) sartorius
Tibialis anterior
Which of the following muscles produces dorsiflexion when contracted?
Intercostals
Damage to which of the following muscles would interfere most with the ability to breathe?
Orbicularis ORIS
The "kissing muscle" that purses the lips is called the:
Adduct the humerus
Damage to the pectoralis major would interfere with a person's ability to:
Mastoid process
The sternocleidomastoid inserts on the:
All of these
The eye muscles include which of the following?
a) inferior rectus
b) medial rectus
c) superior oblique
d) inferior oblique
e) all of these answers are correct
Facial nerve
The buccinator muscle is innervated by the:
Attaches to fibers of another facial muscle
At its insertion (unlike at its origin), the buccinator muscle ______________.
Buccinator
The ___________ muscle compresses the cheeks.
Forced expiration
The actions of the internal intercostals are most important during:
Spinalis thoracis
The least variable of the different parts of the spinalis muscle is the:
Five through twelve
The origin of the external obliques inclides ribs ______ through ___________.
Masseter muscle
This muscle originates on the medial surfaces of the maxilla and the zygomatic arch as well as the inferior border of the zygomatic arch.
Mandibular
The masseter is innervated by the _____________ branch of the trigeminal nerve.
Pubic bone
The origins of the rectus abdominis muscle are on the ________ bone.
Temporal fossa; coronoid process of mandible
The temporalis muscle originates on the ____________ and inserts on the ____________.
Trigeminal nerve
The temporalis muscle is innervated by the mandibular branch of the ___________ nerve.
Inspiration
The external intercostals elevate the rib cage during:
Orbicularis OCULI
Which muscle's action is to close the eye?
Masseter
Which muscle's action is to elevate the mandible and close the jaw?
Sternocleidomastoid
The insertion of the _______________ muscle is the mastoid region of the skull and the lateral portion of the superior nuchal line.
Epicranial aponeurosis
The origin of the frontalis muscle is the:
Zygomatic arch
The temporalis muscle passes through the:
Move the external ear
The temporoparietalis muscle acts to:
Quadratus lumborum
The iliac crest is the origin of the:
Inferior rectus
This muscle allows you to look down:
Rectus abdominis
The muscle that has its origin on the superior surface of the pubis around the symphisis is the:
Spinalis cervicis
This muscle extends the neck:
Originates at the back of the orbit and raises the upper eyelid
Which of these is TRUE about the muscle named levator palpebrae superioris?
a) elevates the eyebrow
b) raises the upper eyelid
c) originates at the back of the orbit and raises the upper eyelid
d) lifts the scapula
e) originates at the back of the orbit
Omohyoid
Each of the following muscles is involved in the process of chewing or manipulating food in the mouth, except the:
a) temporalis
b) masseter
c) genioglossus
d) omohyoid
e) pterygoid
The buccinator and orbicularis oris
Tom, a trumpet player, asks you which muscles he should develop in order to be a better trumpeter. What (2) muscles would you tell him? (Cheeks and mouth)
Zygomatic major
This is the muscle that raises the corners of the mouth as when smiling:
Elevate
The action of the masseter muscle is to __________ the mandible.
Epicranial aponeurosis
The thick, flat sheet of tendon deep to the scalp is called the:
Rectus abdominis muscles; abdominal and oblique exercises, and crunches
(ESSAY) Jeff is interested in toning his abdomen. What muscles would you tell him to exercise to accomplish his goal? What movements would best exercise these muscles?
Linea aspera
The vastus lateralis, vastus medialis, and vastus intermedius muscles originate on the ______ ______ of the femur.
Transverse processes
The origins of the levator scapula are from the _______ _______ of four cervical vertebrae.
Biceps femoris, semitendinosus, and semimembranosus
Which of the following are members of the hamstring group?
a) adductor longus and adductor magnus
b) biceps femoris and rectus femoris
c) gluteus maximus and rectus femoris
d) semimembranosus, semitendinosus, and gastrocnemius
e) biceps femoris, semitendinosus, and semimembranosus
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