A&P Ch. 6 Reveiw

Question 1

Which muscle tissue is voluntary?

Answer 1

Skeletal muscle

Question 2

Which muscle tissues are involuntary?

Answer 2

Smooth and cardiac

Question 3

Which muscle tissues has multinucleate cells?

Answer 3

Skeletal

Question 4

Which muscle tissue is uninucleate with no striations?

Answer 4

Smooth

Question 5

Which muscle tissues have striations?

Answer 5

Cardiac and skeletal

Question 6

Which muscle tissues has branching chains and intercalated discs?

Answer 6

Cardiac

Question 7

Which muscle tissue moves rapidly

Answer 7

Skeletal

Question 8

Which muscle tissues moves very slow with rhythmic contractions ?

Answer 8

Smooth

Question 9

Which muscle tissue is found in the heart?

Answer 9

Cardiac

Question 10

Which muscle regulates the nervous system?

Answer 10

Smooth

Question 11

Which muscle tissue maintains posture?

Answer 11

Skeletal

Question 12

What is the Endomysium?

Answer 12

Thin connective tissue invested each muscle cell.

Question 13

Which is the Sarcomere?

Answer 13

Contractile unit of muscle

Question 14

List the functions of muscle?

Answer 14

Maintains posture, producing movement, stabilizes joints, and generating heat.

Question 15

What is the sarcolemma of a skeletal muscle?

Answer 15

Plasma membrane

Question 16

Thick filaments are composed of .

Answer 16

Myosin

Question 17

Thin filaments are composed of .

Answer 17

Actin

Question 18

The force of a contraction is caused by

Answer 18

The sliding of the filaments.

Question 19

What is the neurotransmitter that stimulates skeletal muscle

Answer 19

ACh

Question 20

What is a synaptic cleft?

Answer 20

Nerve endings and the muscle cell never touch, the ‘’gap’’

Question 21

What releases the neurotransmitters?

Answer 21

Axon terminal

Question 22

What do myosin heads heads attach to during a contraction?

Answer 22

Action filaments

Question 23

What part of the muscle cell shortens during a contraction?

Answer 23

Sarcomeres

Question 24

Muscle twitch

Answer 24

Single, Brief jerky contraction

Question 25

Isometric contraction

Answer 25

Muscle maintains the same length as tension in the muscle increases.

Question 26

The appearance of striations in a muscle are created by

Answer 26

A& I bands

Question 27

Which pathway for producing ATP does not use oxygen?

Answer 27

Anaerobic glycolysis

Question 28

When muscle lack oxygen Starts to accumulate.

Answer 28

Lactic acid

Question 29

What type of contraction occurs which muscle tone?

Answer 29

Partial

Question 30

What results when the muscle is stimulated so rapidly that no evidence of relaxation is seen?

Answer 30

Tentanus

Question 31

What happens to the smaller I band, and A band when a muscle fiber contracts?

Answer 31

I- becomes smaller; H- disappears; and A move closer together @ the same time.

Question 32

List the following structures from smaller to largest: fascicle, myofilaments, muscle cell, myofibril, sacomere

Answer 32

Myofilament, sarcomere, myofibril, muscle cell, fascicle