Question 1

On average the human body has ___ liters of blood in it?

Accepted Answer

5

Answer

4

Answer

3

Answer

6

Question 2

The majority of blood is

Accepted Answer

Plasma

Answer

Platelets

Answer

White Blood Cells

Answer

Red Blood Cells

Question 3

_____________ is the second largest component of blood

Accepted Answer

Red Blood Cells

Answer

White Blood Cells

Answer

Plasma

Answer

Platelets

Question 4

The main purpose of plasma is to

Accepted Answer

transport waste, hormones antibodies, and food molecules

Answer

carry carbon dioxide

Answer

transport oxygen

Answer

immune system

Question 5

How can WBCs be differentiated from RBCs

Accepted Answer

They are much larger and have by far fewer

Answer

they are both smaller and have fewer

Answer

they are much smaller and there are by far more

Answer

they are much larger and have by far more

Question 6

What is the advantage of lacking a nucleus in RBC

Accepted Answer

More surface area for more oxygen-carrying capacity

Answer

it allows for them to bend in shapes to get through smaller vessels

Answer

there is no real advantage - just how they are

Answer

it aids in faster division

Question 7

Platelets primary function is to

Accepted Answer

produce fibrin threads that trap blood cells and forms clotting

Answer

carry oxygen

Answer

transport carbon dioxide

Answer

immune system

Question 8

The reason RBC can carry oxygen to the tissues is because it contains ______________

Accepted Answer

Hemoglobin

Answer

Ribosomes

Answer

Mitochondria

Answer

Pickle Juice

Question 9

The two MAJOR groupings of WBC are called

Accepted Answer

Phagocytes and Lymphocytes

Answer

Nuetrophils  and Phagocytes

Answer

Monophils and Lymphocytes

Answer

Basophils and Nuetrophils

Question 10

Lymphocytes are

Accepted Answer

immune response specific

Answer

immune response  non-specific

Question 11

Phagocytes are

Accepted Answer

non-specific immune response

Answer

specific immune response

Question 12

How do specific immune response cells work?

Accepted Answer

They have specialized antibodies on the surface of their cells that bind to antigens to produce antibody

Answer

they engulf pathogens than dissolve them via antibodies

Answer

they engulf everything then self implode

Answer

they send a signal to be engulfed by other types of cells

Question 13

The double-walled sac around the heart is called the

Accepted Answer

Pericardium

Answer

Epicardium

Answer

Endocardium

Answer

Myocardium

Question 14

The muscle layer of the heart wall is called the

Accepted Answer

myocardium

Answer

pericardium

Answer

epicardium

Answer

endocardium

Question 15

The major vessel that returns blood to the heart

Accepted Answer

Superior and inferior venae cavae

Answer

pulmonary trunk

Answer

aorta

Answer

pulmonary artery

Question 16

the vessel that carrys oxygenated blood back to the heart from the lungs

Accepted Answer

Pulmonary veins

Answer

pulmonary trunk

Answer

aorta

Answer

Pulmonary artery

Question 17

the major vessel that carries blood away from the heart to the lungs to be reoxygenated

Accepted Answer

Pulmonary arteries

Answer

subclavian

Answer

aorta

Answer

pulmonary veins

Question 18

The three branches of the aorta are the brachiocephalic, left common carotid and

Accepted Answer

subclavian

Answer

femoral

Answer

intercostal

Answer

jugular

Question 19

The major arteries that supply the actual heart muscle itself with oxygenated blood is

Accepted Answer

Coronary Arteries

Answer

interventricular

Answer

marginal

Answer

circumflex

Question 20

The major vein that drains the actual heart muscle of blood

Accepted Answer

Great Cardiac

Answer

circumflex

Answer

anterior cardiac

Answer

small cardiac

Question 21

the "meat" that separates the ventricles is called the

Accepted Answer

interventricular septum

Answer

mitral septum

Answer

cupsid septum

Answer

atrial septum

Question 22

The tricuspid valve separates the

Accepted Answer

the right atrium and right ventricle

Answer

right and left atrium

Answer

right and left ventricle

Answer

the left atrium and left ventricle

Question 23

the mitral valve is also called the

Accepted Answer

bicuspid valve

Answer

tricuspid valve

Answer

chordae tendeneae

Answer

semilunar valve

Question 24

the "heartstrings" that hold the atrioventricular valves in place are called the

Accepted Answer

chordae tenineae

Answer

pectinate muscles

Answer

lunar valves

Answer

pericardium

Question 25

from the right ventricle, blood will enter the

Accepted Answer

Pulmonary Trunk

Answer

Right Atrium

Answer

Left Atrium

Answer

Aorta

Question 26

from the left ventricle, blood will enter the

Accepted Answer

aorta

Answer

left ventricle

Answer

right ventricle

Answer

pulmonary trunk

Question 27

The lub-dub sound that our hearts make in beating is actually the

Accepted Answer

snapping shut of the semilunar valves

Answer

opening of the bi and tricuspid valves

Answer

opening of the semilunars

Answer

snapping shut of the bicuspid and bicuspid valves

Question 28

Which node fires first ?

Accepted Answer

SA

Answer

VA

Answer

AV

Answer

AS

Question 29

The AV will send the conduction signal to the

Accepted Answer

Bundle of His

Answer

bundle branches

Answer

Purkinje Fibers

Question 30

The Bundle of His will send the conduction signal to the

Accepted Answer

Bundle Branches

Answer

PurkinjeFibers

Answer

AV

Answer

SA

Question 31

The Bundle Branches will send the conduction signal to the

Accepted Answer

Purkinje Fibers

Answer

AV node

Answer

Bundle of His

Answer

SA node

Question 32

the P wave represents

Accepted Answer

atrial depolarization

Answer

ventricular repolorization

Answer

ventricular depolarization

Answer

atrial depolarization

Question 33

the QRS complex represents

Accepted Answer

Ventricular depolarization

Answer

atrial depolarization

Answer

Atrial polarization

Answer

Ventricular polarization

Question 34

The T-wave represents

Accepted Answer

ventricular repolarization

Answer

ventricular depolarization

Answer

atrial depolarization

Question 35

Our respiratory system operates on which law of physics?

Accepted Answer

Boyle's

Answer

Rawley's

Answer

Newton's

Answer

Aristotle's

Question 36

The technical term for "breathing" is called

Accepted Answer

pulmonary ventilation

Answer

gas exchange

Answer

pulmonary exchange

Answer

gas transportation

Question 37

There are _____  regions of the pharynx

Accepted Answer

3

Answer

6

Answer

5

Answer

4

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