Physiology

Question 0

A pH of 7 is said to be:

Answer 0

Water (neutral)

Question 1

What is muscle tone?

Answer 1

State of partial contraction

Question 2

Rigor Morris is caused by:

Answer 2

Death. Sustained lack of oxygen

Question 3

Is it possible for a voluntary muscle to be “involuntary”?

Answer 3

Yes, reflexes

Question 4

Tetanus is:

Answer 4

A sustained contraction that fails to relax

Question 5

The most common way to hypertrophy a muscle is to:

Answer 5

Repeatedly overwork the muscle

Question 6

Where does the krebs cycle occur?

Answer 6

Mitochondria

Question 7

Glycolysis produces ________ net molecules of ATP

Answer 7

2

Question 8

The production of ATP without oxygen is called:

Answer 8

Glycolysis (anaerobic)

Question 9

A disorder caused by bacteria that causes sustained contraction or lockjaw is:

Answer 9

Tetanus

Question 10

The Krebs cycle requires_______ and produces _______

Answer 10

Oxygen / ATP

Question 11

Peruvian acid without oxygen will oxygen will produce what in the muscle?

Answer 11

Lactic acid

Question 12

A pH below 7 is said to be:

Answer 12

Acidic

Question 13

Hypertrophy is:

Answer 13

Enlarged muscles due to over work

Question 14

Pushing against a wall is an example of what kind of exercise?

Answer 14

Isometric

Question 15

Is it possible for an involuntary muscle to voluntary?

Answer 15

Yes, mind over matter

Question 16

All or none means

Answer 16

The muscle fiber contracts completely or not at all

Question 17

The patellar reflex will cause:

Answer 17

The knee to jerk

Question 18

Abuse of anabolic steroids will cause:

Answer 18

Large skeletal muscles, large heart muscle, baldness

Question 19

The Krebs cycle produces ______ net molecules of ATP

Answer 19

36

Question 20

Where does lactic acid production occur?

Answer 20

Cytoplasm

Question 21

A pH above 7 is said to be:

Answer 21

Alkaline (basic)

Question 22

A person who has exercised to the point of building up lactic acid must replace the oxygen by:

Answer 22

Breathing

Question 23

Atrophy is:

Answer 23

Shrunken muscles due to lack of use

Question 24

Running is an example of what kind of exercise?

Answer 24

Isotonic

Question 25

The most important type of muscle for walking is

Answer 25

Skeletal

Question 26

Picking up a pencil from a table is an example of what kind of exercise?

Answer 26

Isotonic

Question 27

Translate linea alba from the Latin to English

Answer 27

White Line

Question 28

The most common cause of death after anabolic steroid use is:

Answer 28

Heart attack

Question 29

Aerobic respiration requires:

Answer 29

Oxygen

Question 30

Calcium ions that diffuses into the sarcomere cause:

Answer 30

Myosin heads to attach to actin and contract

Question 31

The sliding filament theory is

Answer 31

Actin and myosin slide across each other to shorten sarcomeres

Question 32

The thin filament in the sarcomere is called

Answer 32

Actin

Question 33

Both cardiac and skeletal muscles are multi-nucleated, why?

Answer 33

Code for lots of proteins

Question 34

An extension of endo, peri- and epi mysium on a flat bellied muscle is called

Answer 34

An aponeurosis

Question 35

Body temperature is produced by

Answer 35

Skeletal muscle

Question 36

This type of muscle is found only in the heart

Answer 36

Cardiac

Question 37

These muscles are voluntary, striated, and multi-nucleated

Answer 37

Skeletal muscles

Question 38

The neuromuscular junction is

Answer 38

Where the muscle and nerve come close together

Question 39

The neuromuscular transmitter associated with muscles is

Answer 39

Acetylcholine

Question 40

What are the two proteins found in a sarcomere?

Answer 40

Actin and myosin

Question 41

Cross bridges are on which myofibril protein?

Answer 41

Myosin

Question 42

The thick filament in a sarcomere is called

Answer 42

Myosin

Question 43

Sarcomeres are divided by

Answer 43

Z lines

Question 44

A hernia is

Answer 44

A tear in a flat bellied muscle

Question 45

An "outtie" is

Answer 45

An umbilical hernia

Question 46

What kind of muscle is found at the mouth and anus, voluntary or involuntary?

Answer 46

Voluntary

Question 47

The linea alba is

Answer 47

A white lime created by an aponeurosis to hold the rectus abdominis together

Question 48

Endomysium is a connective tissue that covers

Answer 48

The myofibril

Question 49

An extension of epimysium on a round bellied muscle is called

Answer 49

Tendon

Question 50

The two types of involuntary muscle are

Answer 50

Cardiac and smooth

Question 51

Posture is a function of

Answer 51

Skeletal muscle

Question 52

Exercise where muscles contract to move bones

Answer 52

Isotonic

Question 53

These muscles are involuntary with large single nuclei

Answer 53

Smooth muscles

Question 54

The digestive system and blood vessels are composed of this type of muscle

Answer 54

Smooth muscles

Question 55

A pH of 7 is said to be

Answer 55

Water (neutral)

Question 56

Exercise with a muscle that doesn't move a bone

Answer 56

Isometric