Question 1

The heart is located:

Accepted Answer

All of the above

Answer

Anterior to the vertebrae

Answer

Medial to the lungs

Answer

Posterior to the sternum

Question 2

Blood pressure is the highest in the:

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Arterioles

Question 3

A pronounced loss of blood:

Accepted Answer

Hemorrhage

Answer

Resistance

Answer

Heart rate

Answer

Blood volume

Question 4

The largest vein in the body

Accepted Answer

Superior & inferior vena cava

Answer

Femoral vein

Answer

Jugular

Answer

Aorta

Question 5

Carries blood away from the heart and towards the capillaries:

Accepted Answer

Arteries

Answer

Capillaries

Answer

Arterioles

Answer

Veins

Question 6

The amount of blood ejected from the ventricles during each beat is referred to as:

Accepted Answer

Stroke volume

Answer

Cardiac output

Answer

Cardiac cycle

Question 7

This type of circulation occurs when blood from the right ventricle moves into the lungs:

Accepted Answer

Pulmonary

Answer

Systemic

Answer

Blood

Question 8

Before blood can enter the pulmonary artery, it flows through the:

Accepted Answer

Pulmonary SL

Answer

Aortic SL

Answer

Bicuspid valve

Answer

Tricuspid valve

Question 9

The valve  between the right atrium and right ventricle:

Accepted Answer

Tricuspid

Answer

Pulmonary SL

Answer

Mitral

Answer

Aortic SL

Question 10

Relaxation of the heart:

Accepted Answer

Diastole

Answer

Systole

Question 11

The smooth tissue that lines each chamber

Accepted Answer

Endocardium

Answer

Visceral pericardium

Answer

Parietal pericardium

Answer

Myocardium

Question 12

The receiving chambers in the heart are referred to as the:

Accepted Answer

Atria

Answer

Ventricles

Question 13

The upper 2 chambers are called the:

Accepted Answer

Atria

Answer

Ventricles

Question 14

The heart is a _____ circuit.

Accepted Answer

closed

Answer

open

Question 15

A clot that stays in place

Accepted Answer

Thrombus

Answer

Heparin

Answer

Embolus

Question 16

From the right ventricle, blood passes through the _______________ valve to the ___________ artery.

Accepted Answer

pulmonary semilunar; pulmonary

Answer

tricuspid; coronary

Answer

mitral; coronary

Answer

aortic semilunar; pulmonary

Question 17

Blood enters the left atrium from the:

Accepted Answer

pulmonary vein

Answer

pulmonary artery

Answer

inferior vena cava

Answer

superior vena cava

Question 18

The electrical activity that triggers contraction of the heart muscle is termed:

Accepted Answer

depolarization

Answer

repolarization

Question 19

The volume of blood pumped by one ventricle per minute is referred to as:

Accepted Answer

cardiac output

Answer

heart rate

Answer

cardiac cycle

Answer

stroke volume

Question 20

What describes the pressure of blood as it flows through the cardiovascular system?

Accepted Answer

blood pressure

Answer

blood viscosity

Answer

blood circulation

Answer

hypertension

Question 21

____________ moves fluids from blood to tissue

Accepted Answer

the arterial end of a capillary

Answer

venous end of a capillary

Question 22

____________ moves fluids from tissue to blood

Accepted Answer

venous end of a capillary

Answer

arterial end of a capillary

Question 23

_______________collect blood from capillaries and return it to the heart; low pressure vessels.

Accepted Answer

veins and venules

Answer

arteries and arterioles

Answer

lymphatic vessels

Answer

capillaries

Question 24

Outer layer of arteries veins is called

Accepted Answer

Tunica externa

Answer

Tunica media

Answer

Tunica intima

Question 25

____________have valves that allow one-way flow, preventing backflow of blood.

Accepted Answer

Veins

Answer

Capillaries

Answer

Arteries

Question 26

____________ can be affected by hemorrhage, dehydration, hormone levels and strength of heart contraction.

Accepted Answer

Stroke volume

Answer

Blood pressure gradient

Answer

Blood viscosity

Answer

Resistance

Question 27

_____________ can be used to treat severely restricted coronary artery blood flow.

Accepted Answer

Coronary bypass surgery

Answer

Artificial pacemaker

Answer

coronary circulation

Answer

Angioplasty

Question 28

_________________ is where conduction starts.

Accepted Answer

SA node

Answer

AS node

Answer

SV node

Answer

AV node

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