Unit 6-Review Quiz 2

Front 1

This is the phase of a muscle twitch when a stimulus is applied and chemical processes begin

Back 1

Latent

Front 2

What is the most likely reason for a muscle cramp?

Back 2

Lack of ATP

Front 3

If a muscle remains at a constant length while tension increases we call that what?

Back 3

Isometric Contraction

Front 4

What type of muscle has the longest refractory period?

Back 4

Cardiac

Front 5

The state of sustained partial contraction that serves to keep the muscle taught and ready for action is what?

Back 5

Muscle Tonus

Front 6

Forceful sustained muscle contraction produced by a rapid series of stimulations is what two things?

Back 6

Tetanic contraction
Tetanus

Front 7

The phase of a muscle twitch where it shortens and thickens is what?

Back 7

Contraction

Front 8

The phase of a muscle twitch where it returns to original length is what?

Back 8

Relaxation

Front 9

Period of time immediately following a muscle response to a stimulus where it can't respond to a second stimulus is called what?

Back 9

Refractory

Front 10

Describe the Motor Unit

Back 10

Motor neuron and all muscle fibers it stimulates

Front 11

Describe the All-or-None Response

Back 11

When a muscle fiber contracts it contracts to its fullest extent

Front 12

Maximum number of ATP molecules produced by glucose molecule in cellular respiration is what?

Back 12

38

Front 13

During The Krebs Citric Acid Cycle how many ATP are produced from one pyruvate?

Back 13

18

Front 14

Kreatin phosphate serves to do what?

Back 14

It supplies the energy for the re-synthesis of ATP from ADP

Front 15

Amount of oxygen needed

Back 15

Oxygen Debt

Front 16

Chemical compound which when allowed to accumulate leads to muscle fatigue is called what?

Back 16

Lactic Acid

Front 17

During a muscle contraction Calcium ions combine with __________ leading to the exposure of active sights for cross bridge formation.

Back 17

Troponin

Front 18

The first event in muscle contraction is what?

Back 18

A motor neuron releases ACh

Front 19

Multi-unit smooth muscle is found where?

Back 19

In the eye

Front 20

Connective tissue that covers each muscle fiber is called what?

Back 20

Endomysium

Front 21

Connective tissue that covers the whole muscle is called what?

Back 21

Epimysium

Front 22

Self-exciting and rhythmic property of cardiac muscle is known as what?

Back 22

Intercalated Discs

Front 23

The two most abundant chemical compounds in muscle are what?

Back 23

Protein and Water

Front 24

During relaxation of a muscle fiber what happens to the Z line?

Back 24

Move further apart

Front 25

Anaerobic metabolism takes place where?

Back 25

In the Cytoplasm

Front 26

The cell membrane of a muscle cell is correctly referred to as?

Back 26

Sarcolemma

Front 27

Gluconeogenesis is what?

Back 27

Formation of Glucose from non-Carbohydrate precursers

Front 28

When large amounts of Ketones are present it indicates what?

Back 28

Increased metabolism of Fat

Front 29

Primary function of Carbohydrates is?

Back 29

To maintain energy production within cells

Front 30

If Oxygen is lacking how much ATP can you get from one Glucose and why?

Back 30

2
Cause it comes from the Cytoplasm

Front 31

Skeletal Muscles will never what?

Back 31

Produce hormones

Front 32

Deglutition is what?

Back 32

Swallowing

Front 33

The basic contraction unit of muscle is what?

Back 33

Sarcomere

Front 34

This provides energy for muscle contraction

Back 34

Hydrolysis of ATP to ADP

Front 35

Muscular atrophy is due to what?

Back 35

Lack of neural stimulation

Front 36

ATP has no what? What does it have instead?

Back 36

Hexose sugars
Ribose which are Pentose sugars

Front 37

This pancreatic hormone is released in response to elevated blood Glucose

Back 37

Insulin

Front 38

Typical healthy diet should include what?

Back 38

40-70% Carbs

Front 39

Fructose and Galactose are converted to Glucose in what organ?

Back 39

Liver

Front 40

As a result of Carbohydrate loading Glycogen reserves in Skeletal Muscle can be increased by what percentage?

Back 40

3.5% - 4%

Front 41

Urea is made in what organ?

Back 41

The liver

Front 42

Describe Lypogenesis

Back 42

Making fat

Front 43

Protein synthesis deals with what?

Back 43

Ribosomes

Front 44

Actin complex doesn't contain what?

Back 44

Myosin

Front 45

Krebs Citric Acid Cycle matches with what?

Back 45

Aerobic

Front 46

Glycolysis matches with what?

Back 46

Anaerobic

Front 47

This enzyme initiates relaxation

Back 47

Cholinesterase

Front 48

Give an example of a thick contractile protein

Back 48

Myosin

Front 49

Sex-linked inherited muscle deterioration is known as what?

Back 49

Muscular Dystrophy

Front 50

Location of sodium ions with relaxed muscle fibers is where?

Back 50

Outside Sarcolemma

Front 51

The fixed anchor of a muscle is known as what?

Back 51

The origin