Muscular

Question 1

What type of muscle is NOT striated?

Answer 1

Smooth muscle

Question 1

A muscle or muscle group that opposes the action of a prime mover is?

Answer 1

antagonist

Question 1

What are 2 actions of skeletal muscle?

Answer 1

To move bones and generate heat

Question 1

Muscles that contract without the need for external stimulation

Answer 1

cardiac and smooth

Question 2

Muscle that has intercalated disks

Answer 2

Cardiac

Question 3

A muscle that moves a limb away from the midline is called

Answer 3

an abductor

Question 4

A broad sheet of fibrous tissue that attaches two muscles or a muscle to a bone. Ex. Linea alba.

Answer 4

Aponeuroses

Question 5

What are two types of smooth muscle?

Answer 5

Visceral smooth muscle and multiunit smooth muscle.

Question 5

What is the origin, insertion and action of the splenius muscle?

Answer 5

Origin: Fascia along the middorsal line of the neck

Insertion: Lambdoidal ridge of the occipital bone.

Action :Lateral flexion of the head.

Question 6

What are three functions of the muscular system?

Answer 6

1. Produce movement of the body and parts.
2. Maintains posture
3. Produces heat

Question 6

Skeletal muscle cells are______?

Answer 6

Multinucleated

Question 8

3 different types of muscle make up the muscular system, what are they?

Answer 8

skeletal muscle, cardiac muscle, and smooth muscle

Question 8

What are the 2 muscles that help in expiration?

Answer 8

internal intercostal and abdominal muscles

Question 9

What are the main inspiratory muscles?

Answer 9

Diaphragm and the external intercostal muscles

Question 10

what are the 3 phases of a single muscle fiber contraction

Answer 10

latent phase, contracting phase, relaxation phase

Question 12

what are the 2 types muscles of respiration

Answer 12

inspiratory muscles, expiratory muscles

Question 14

cardiac muscle is also know as ?

Answer 14

involuntary striated muscle

Question 15

List the layers of the skeletal muscle

Answer 15

Muscle fiber, fascicle, endomysium, perimysium, epimysium.

Question 15

What are the muscle’s attachement sites called and which is more stable?

Answer 15

Origin of the muscle and insertion of the muscle. Origin of the muscle is more stable.

Question 16

What is the purpose of the intercalated disks?

Answer 16

They securely fasten the muscle cells together and transmit impulses from cell to cell in order to contract.

Question 17

What muscle is found all over the body in places such as eyes, stomach and urinary bladder?

Answer 17

Smooth muscle

Question 19

What muscle is controlled by the conscious mind and moves the bones of the skeleton so the animal can move?

Answer 19

Skeletal muscle

Question 21

What is a synergist?

Answer 21

A muscle that contracts at the same time as a prime mover and assists it in carrying out its action.

Question 22

what is special about the insertion of the muscle

Answer 22

it undergoes most of the movement when a muscle contracts.

Question 23

the diaphragm is made of what type of muscle

Answer 23

Skeletal muscle

Question 24

Which type of smooth muscle is large and relatively powerfull

Answer 24

Visceral smooth muscle

Question 27

Cardiac and smooth muscle are voluntary or involuntary

Answer 27

Involuntary

Question 28

T or F skeletal muscle is voluntary

Answer 28

True

Question 29

What are 2 proteins that function in muscle contraction?

Answer 29

Actin and Myosin

Question 30

What is a common neurotransmitter used to signal muscle contraction?

Answer 30

Acetylcholine

Question 31

One nerve fiber and all the muscle fibers it innervates is?

Answer 31

Motor unit

Question 32

What is the action of the skeletal muscle

Answer 32

To move the bones, and generate heat

Question 32

The masseter muscles origin is ________arch, its insertion point is ramus of the _________. Without this muscle animals would not be able to elevate their mandible.

Answer 32

Zygomatic & mandible

Question 35

which type of muscle does not have sarcomeres?

Answer 35

smooth

Question 36

Which muscle has little or no attachment to bones?

Answer 36

cutaneous muscle

Question 37

What is a sarcomere?

Answer 37

The area from 1 Z line to another Z line

Question 37

T or F

Sarcomere contraction is All or Nothing?

Answer 37

True

Question 38

what are two of the main muscles that raise the head and neck

Answer 38

splenius muscle

trapezius muscle

Question 39

Muscles attach to bones at both ends by what?

Answer 39

tough, fibrous connective tissue band called tendons.