Test #3

Question 1

What are the smallest blood vessels in your body?

Answer 1

Capillaries

Question 2

Which direction do arteries carry blood?

Answer 2

The always carry blood away from the heart

Question 3

Do arteries always carry oxygenated blood or deoxygenated blood or both?

Answer 3

Some carry oxygenated blood and others carry deoxygenated blood

Question 4

What best describes a prolapsed valve?

Answer 4

Valve protruding abnormally from ventricle back in atrium

Question 5

Which chamber receives blood from the lungs?

Answer 5

Left atrium

Question 6

Which chamber of the heart sends blood to the body?

Answer 6

Left ventricle

Question 7

Which has thicker muscles, atria or ventricles?

Answer 7

Ventricles

Question 8

Which way does blood normally flow in the heart?

Answer 8

From atria into ventricles

Question 9

What is a heart murmur?

Answer 9

Irregular heart sound

Question 10

What is a portal vein?

Answer 10

A vein running between 2 capillary beds

Question 11

Which chamber of the heart has the pacemaker?

Answer 11

Right atrium

Question 12

What is considered a pacemaker?

Answer 12

Sinoatrial node

Question 13

What makes the muscle fibers in the pacemaker depolarize?

Answer 13

Nothing, they do it on their own

Question 14

Is diastole when the heart is contracted or relaxed?

Answer 14

Contracted

Question 15

What term describes the opposite condition to diastole?

Answer 15

Systole

Question 16

What is ascites?

Answer 16

Fluid in abdomen from poor heart function

Question 17

Would you expect to find oxygenated or deoxygenated blood in the left side of the heart?

Answer 17

Oxygenated

Question 18

What is formed from thrombocytes?

Answer 18

Platelets

Question 19

What is a leukocyte?

Answer 19

White blood cell

Question 20

What is an erythrocyte?

Answer 20

Red blood cell

Question 21

What best describes fibrillation?

Answer 21

When a heart muscle contracts out of sequence, instead of having a coordinated beat.

Question 22

Contact with what makes platelets sticky?

Answer 22

Collagen

Question 23

What is fibrin for?

Answer 23

Clots

Question 24

What is a common cause of anemia?

Answer 24

Lack of iron

Question 25

Blood plasma is mostly made of what?

Answer 25

Water

Question 26

What is not part of the skeletal muscle pump?

Answer 26

The heart

Question 27

Is bradycardia when the heart beats too fast or too slow?

Answer 27

Too slow

Question 28

What term best describes the opposite condition of bradycardia

Answer 28

Tachycardia

Question 29

What is another term for hypertension?

Answer 29

High blood pressure

Question 30

Does blood hydrostatic pressure (BHP) push fluid out or pull fluid into blood vessels?

Answer 30

Push fluid out

Question 31

Does blood colloid osmotic pressure (BCOP) push fluid out of the blood or pull fluid back into the blood?

Answer 31

Pull fluid into the blood vessels

Question 32

Does BCOP cause filtration or reabsorption?

Answer 32

Reabsorption

Question 33

If you increased BCOP and kept everything else the same, would you expect an edema?

Answer 33

No

Question 34

If you got rid of the large proteins in blood, but kept everything else the same, would you expect an edema?

Answer 34

Yes

Question 35

If you got rid of the large proteins in blood, what would change?

Answer 35

BCOP

Question 36

Does high blood pressure increase or decrease stroke volume?

Answer 36

Decrease

Question 37

What do + inotropic agents make the heart do?

Answer 37

Best harder

Question 38

Is Ca2+ a positive or negative inotropic agent?

Answer 38

Positive

Question 39

What organ is malfunctioning if you have jaundice?

Answer 39

Liver

Question 40

The yellow color in jaundice is cause by the buildup of what?

Answer 40

Bilirubin

Question 41

What is a thrombus?

Answer 41

Any unwanted clot

Question 42

What is an embolus?

Answer 42

A floating piece of clot

Question 43

What does creating store?

Answer 43

Phosphate

Question 44

What does myoglobin?

Answer 44

Oxygen

Question 45

Is myoglobin associated with dark meat or white meat?

Answer 45

Dark meat

Question 46

Would you expect slow twitch fibers to have lots of myoglobin?

Answer 46

Yes

Question 47

Would you expect fast glycolysis fibers to have lots of myoglobin?

Answer 47

No

Question 48

What is the origin of a muscle?

Answer 48

Attachment site on bone that muscle doesn’t move

Question 49

What is a neurotransmitter that affects muscles?

Answer 49

Acetylcholine (ACh)

Question 50

What is the enzyme that destroyed acetylcholine?

Answer 50

Acetylcholine esterase

Question 51

What allows myosin and actin to detach from each other?

Answer 51

ATP

Question 52

What supplies energy during muscle contraction?

Answer 52

ATP

Question 53

Myosin, actin, and troponin belong to what class of macromolecules?

Answer 53

Proteins

Question 54

Which of these is referred to as the thin filaments to of a muscle?

Answer 54

Actin

Question 55

What wraps around the thin filaments

Answer 55

Troponin

Question 56

What covers over myosin binding sites in a relaxed muscle?

Answer 56

Troponin

Question 57

What does Ca2+ attach to during a muscle contraction?

Answer 57

Troponin

Question 58

If a muscle ran out of Ca2+, would it be unable to contract or relax?

Answer 58

Contract

Question 59

If a muscle lack acetylcholine esterase, would it be unable to contract or relax?

Answer 59

Relax

Question 60

What is a sphincter muscle?

Answer 60

A ring-like muscle that controls an opening to an organ

Question 61

What is the smallest contracting unit of a muscle?

Answer 61

Sarcomere

Question 62

What stores Ca2+

Answer 62

Sarcoplasmic reticulum (SR)

Question 63

What is one of the structures that help carry vibrations from the outer ear to the inner ear?

Answer 63

Incus

Question 64

What stricter generates the nerve signal that tells you that your head is spinning

Answer 64

Semicircular canals

Question 65

What structure generates the signal that tells you that your head is hanging down?

Answer 65

Utricle and saccule

Question 66

How does bending of hairs on hair cells helps you create the sensation of hearing?

Answer 66

Opens KC channels

Question 67

What is one of the structures that had hair cells in the ear?

Answer 67

Cochlea

Question 68

What makes hair cells bend to crest hearing?

Answer 68

Vibrations

Question 69

What is binocular vision?

Answer 69

Seeing an object with both eyes at the same time

Question 70

What is referred pain?

Answer 70

Pain in one part of the body that is signaling injury or problems in another part of the body

Question 71

What is phantom pain?

Answer 71

Pain in a phantom limb

Question 72

What creates the taste of bitter?

Answer 72

Poisons

Question 73

What creates the taste of sour?

Answer 73

H+

Question 74

What creates the taste of salt?

Answer 74

Na+