A&P 1 - Chapter 11 Questions

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Compartments in the forearm contain muscles with similar ______.

actions at the wrist joint origins

Contraction of the medial muscles of the thigh results in ______.

adduction of the thigh lateral rotation of the thigh flexion of the thigh extension of the thigh

The pectoralis major is an ______ of the arm.

adductor

Which are muscles of the medial thigh compartment? Multiple select question. adductor longus

adductor longus pectineus adductor brevis obturator externus gracilis adductor magnus

The extensor digitorum longus is on the ______ side of the leg.

anterior

The pectoralis minor is one of the ______ thoracic muscles that move the pectoral girdle.

anterior

The muscles that move the pectoral girdle are classified as either ______.

anterior or posterior

Anatomically, muscles that move the pectoral girdle are classified as ______.

anterior or posterior thoracic

Compartments in the forearm ______.

are defined by partitions formed by deep fascia contain nerves and blood vessels of the forearm muscles contain functionally related muscles

Muscles that move the knee joint ______.

are separated into anatomical compartments by deep fascia within each compartment have similar actions on the knee joint

In general, muscles in the anterior compartment of the thigh tend to ______.

extend the leg at the knee joint flex the thigh at the hip joint

In general, muscles in the posterior compartment of the thigh tend to ______.

extend the thigh at the hip joint flex the leg at the knee joint

The hamstring group of muscles ______ the thigh and ______ the leg.

extend; flex

When any one or all of the posterior muscles of the hamstring group are contracted, the thigh is ______.

extended

Contraction of gluteal muscles results in ______.

extension of thigh

Which of the following summarizes the movements of the glenohumeral joint that occur with contraction of the latissimus dorsi?

extension, adduction, medial rotation

Which of the following is/are functions of the intrinsic muscles of the foot?

flex and extend the toes support the arches abduct and adduct the toes

Extrinsic muscles of the wrist and hand ______.

flex or extend the thumb and fingers flex or extend the hand originate in the forearm

When the iliacus contracts, the thigh is ______.

flexed

When the psoas major contracts, the thigh is ______.

flexed

The anterior compartment of the forearm is the ______ compartment.

flexor

In addition to the compartments, muscles in two other groups move the hip joint/thigh, the ______.

gluteal group and deep muscles of the gluteal region

Which of the following are the muscles of the gluteal group of the posterior thigh?

gluteus maximus gluteus medius gluteus minimus

Which are the muscles of the anterior compartment of the thigh?

iliacus psoas major rectus femoris sartorius

Compartments of the thigh ______.

include blood vessels and nerves for a single compartment are anatomically defined by the fascia latae include muscles with similar actions

During inspiration, muscles of respiration ______.

increase the space of the thoracic cavity

The thoracic muscles increase the space of the thoracic cavity during ______.

inspiration

The abdominal wall muscles indicated by the letter B in the picture is the ______.

internal oblique muscle

The ______ muscles of the foot move the toes.

intrinsic

Which is a muscle of mastication?

masseter

Muscles of the _____________________compartment of the thigh adduct the thigh.

medial

The biceps femoris is on the ______ side of the thigh.

posterior

The semitendinosus is on the ______ side of the thigh.

posterior

The serratus anterior helps to stabilize the scapula against the ______ side of the rib cage.

posterior

Which of the following best describes the location of the latissimus dorsi?

posterior of body, inferior part of the back

The pectoralis minor is an example of a muscle that Blank______ the scapula.

protracts

In addition to its role in the compartmentalization of the thigh, the fasciae latae ______.

supports and binds the thigh muscles

The muscles of the anterior neck that are superior to the hyoid bone are called ______.

suprahyoid muscles

The muscle of mastication indicated by the letter A in the picture is the ______.

temporalis muscle

Which of the following are muscles that move the glenohumeral joint that originate on the scapula?

teres major triceps brachii biceps brachii deltoid coracobrachialis

Which muscle compresses the cheek against the teeth, as in chewing, when it contracts?

the buccinator muscle

Which of the following are considered muscles of mastication?

the masseter muscle the medial pterygoid muscle the temporalis muscle the lateral pterygoid muscle

The subclavius ______ the clavicle.

depresses

Contraction of the pectoralis minor ______.

depresses scapula, protracts scapula

The latissimus _________is a broad, triangular muscle located on the inferior part of the back.

dorsi

The suprahyoid muscles ______ the hyoid bone.

elevate

The muscles of the thenar and hypothenar group form fleshy masses, each called a(n) ______, a term given to a circumscribed area raised above the general level of the surrounding surface.

eminence

Most muscles in the forearm are called ______ muscles of the hand and wrist because these muscles arise from the forearm, not the wrist or hand.

excentric

The muscles of the anterior compartment of the thigh flex the thigh and ______ the knee.

extend

The ______ is formed by three layers of muscles and associated fasciae.

pelvic diaphragm

The neck muscle indicated by the letter B in the given diagram is the ______.

splenius capitis muscle

The serratus anterior ______.

stabilizes the scapula superiorly rotates the scapula

The neck muscle indicated by the letter A in the provided picture is the ______.

sternocleidomastoid muscle

The glenohumeral joint is crossed by ______ muscles.

11

In the figure, the long head of the biceps femoris is indicated by the letter ____________.

A

Using the figure of the anterior leg, match the letter with the muscle.

A ---> fibularis longus B ---> gastrocnemius C ---> extensor digitorum longus

Identify the muscles as indicated in the inferior views of the male and female superficial pelvic floor muscles. Item A . Item B . Item C .

A-bulbospongiosus B-ischiocavernosus C- levator ani

In the figure, the psoas major is indicated by the letter ______________.

B

In the figure, the semitendinosus is indicated by the letter

B

Which of the following muscles in the figure is the tibialis anterior?

B

In the figure, the iliacus is indicated by the letter ______________.

C

In the figure, the semimembranosus is indicated by the letter

C

Why is the forearm larger near the elbow than it is near the wrist?

The bellies of the forearm muscles that move the wrist are located near the elbow; the tendons of these muscles extend toward the wrist.

The tensor fasciae latae is a muscle in the lateral thigh compartment.

True

True or false: All anterior muscles that move the pectoral girdle are deep to other thoracic muscles.

True

True or false: The subclavius is inferior to the clavicle.

True

True or false: The temporalis is considered a muscle of mastication.

True

In the figure, the gluteus minimus is indicated by the letter

X

The term mastication refers to the process of ______.

chewing

The muscles of the abdominal wall indicated by the letter A in the picture is the ______.

external oblique muscle

True or false: The intrinsic muscles of the foot act primarily to evert and invert the foot.

false

The anterior muscles of the neck ______ the neck.

flex

Which correctly describes the location of the pectoralis minor?

it is deep to the pectoralis major

Which of the following best describes the location of the serratus anterior?

it is located between the anterior surface of the ribs and the anterior surface of the scapula

Unilateral contraction of the erector spinae muscles causes ______.

lateral flexion of the vertebral column

In addition to extending the thigh, the biceps femoris rotates the thigh _______________, whereas the semimembranosus and semitendinosus rotate the thigh ______________________.

laterally, medially

The ____________________dorsi is also called the "swimmer's muscle."

latissimus

The prime mover of the extension of the arm is the ______.

latissimus dorsi

Which is a prime mover of the glenohumeral joint?

latissimus dorsi

Which muscles move the glenohumeral joint and originate on the axial skeleton?

latissimus dorsi pectoralis major

The hypothenar group forms a small fleshy mass at the base of the ______.

little finger

The functions of the erector spinae muscles include ______.

maintenance of posture lateral flexion of vertebral column extension of vertebral column

Identify the movements of the glenohumeral joint that occur with contraction of the latissimus dorsi.

medial rotation of the arm adduction of the arm extension of the arm

Identify the movements of the glenohumeral joint that occur with contraction of the pectoralis major.

medial rotation of the arm adduction of the arm flexion of the arm

The _________ major is the principal flexor of the arm.

pectoralis

The prime mover of the flexion of the arm is the ______.

pectoralis major

The ______ depresses the scapula.

pectoralis minor

The anterior thoracic muscle that protracts and depresses the scapula is the ______.

pectoralis minor

Which of the following are the deep muscles of the gluteal region?

quadratus femoris superior gemellus obturator internus inferior gemellus piriformis

The temporalis muscle ______ the mandible.

retracts

Contraction of the superficial muscles in the gluteal region results in Blank______.

rotation of the thigh abduction of the thigh

Which are the muscles of the posterior thigh, commonly referred to collectively as the "hamstrings?"

semimembranosus semitendinosus biceps femoris

The prime mover of scapular protraction is the ______.

serratus anterior

The muscles that protract the scapula are ______.

serratus anterior, pectoralis minor

Put in simple terms, the intrinsic muscles of the hand are classified anatomically as the group at the base of the thumb (the ______ group), those found at the base of the little finger (the ______ group), and everything in between (the ______ group).

thenar; hypothenar; midpalmar

Which muscles extend the forearm?

triceps brachii anconeus


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