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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