Ap Chap 10-11

Front 1

In the limbs which tends to be a muscles more distal attachment

Back 1

The insertion The muscle who's action opposes that of the prime mover is known as

Front 2

The muscle who is action of opposes that of the prime mover is known as

Back 2

Antagonist

Front 3

The rhomboid muscle is named for its

Back 3

Shape

Front 4

A nursing baby is using what muscle to suckle

Back 4

Buccinator

Front 5

The ending "glossus" on the name of a muscle refers to

Back 5

The tongue

Front 6

If the right sternocleidomastoid contracts unilaterally, the resulting movement will be

Back 6

Lateral flexion of the head to the right and rotation of the head to the left.

Front 7

The muscles elevate the ribs and have their origin on the inferior border of the superior riband their insertion on the superior border of the inferior rib

Back 7

External intercostals

Front 8

Contraction of the diaphragm assists in

Back 8

Inspiration

Front 9

The deepest of the abdominal muscles are the _____ muscles

Back 9

Transversus abdominus

Front 10

What are the tendinous intersections

Back 10

Fibrous, perpendicular insertions between successive sheets or blocks of muscle

Front 11

In the male, which muscle ejects urine or semen, compresses the base of the penis, and helps in formation of an erection.

Back 11

Bulbospongiosus

Front 12

The anterior border of the perineum is the

Back 12

Pubic symphysis

Front 13

Which muscles help us in the initial breakdown of food.

Back 13

Muscles of mastication

Front 14

The characteristic of muscle that allows it to be passively stretched is

Back 14

Extensibility

Front 15

Invaginations of the muscle cell membrane that extend deep into the cell are known as the

Back 15

T-tubules

Front 16

Which of the following structures has active sites to which the heads of the thick filaments will bind.

Back 16

Actin

Front 17

The presence of mitochondria and myoglobin facilitate _______respiration in muscle cells

Back 17

Aerobic

Front 18

One feature that helps provide fast energy to a muscle cell is the presence of granules containing the complex carbohydrate

Back 18

Glycogen

Front 19

Which structures are reservoirs that store acetylcholine

Back 19

Synaptic vesicles

Front 20

During which phase of the crossbridge cycle is ATP split into ADP and Pi

Back 20

Immediately preceding the resetting of the myosin head

Front 21

Phosphate transfer is used for

Back 21

Immediate ATP needs and us not dependent on oxygen

Front 22

Oxidative fibers are

Back 22

Red and fatigue-resistant

Front 23

Which fibers dominate many of the back and calf muscles that contract almost continually to maintain posture

Back 23

Slow-twitch

Front 24

Consider the difference between lifting a light pad of paper versus a heavy textbook. The primary way the level of force of muscle contraction is controlled by

Back 24

Recruiting a different number of motor units

Front 25

When a muscle is isometrically contracted, it's length _______ change

Back 25

Does not

Front 26

Increased phosphate ion concentration is believed to contribute to fatigue by interfering with

Back 26

Phosphate release by myosin heads during crossbridge cycling

Front 27

Lifting weights will cause muscles to enlarge. This is primarily due to

Back 27

An increase in the size of muscle cells.

Front 28

To initiate a smooth muscle cell contraction l, calcium enters the cell and binds to

Back 28

Calmodulin, which then binds to and activates myosin light-chain kinase

Front 29

The iris of the eye contains

Back 29

Multiunit smooth muscle

Front 30

Muscles of the vertebral column are simple, having only one origin and one insertion. True or false

Back 30

False

Front 31

As the diaphragm contracts, the vertical dimensions of the thoracic cavity are decreased. true or false

Back 31

False

Front 32

A condition in which a portion of the viscera protrudes through a weakened point of the muscular wall of the abdominopelvic cavity is known as a hernia.

True or false

Back 32

True

Front 33

Muscles that protract the scapula would be ______ thoracic muscles.

Back 33

Anterior

Front 34

Muscles of the pectoral girdle originate on the

Back 34

Axial skeleton and insert on the clavicle and scapula.

Front 35

All of these muscles, except one, Adduct the arm. Select the exception

Back 35

SupraSpinatus

Front 36

Many of the muscles in the anterior compartment of the forearm work to _____ the wrist , and they have their origin on the _______ epicondyle of the humerus

Back 36

Flex, medial

Front 37

Which group of muscles form a thick, fleshy mass at the base of the thumb.

Back 37

Thenar group

Front 38

The function of the biceps femoris is to

Back 38

Extend the thigh and flex the leg

Front 39

Crustal muscles are those that move the

Back 39

Ankle foot and toes

Front 40

These 2 muscles are known as the triceps surae and together are the most powerful plantar flexors of all the leg muscles

Back 40

Gastrocnemius and soleus