Lesson 12

Question 1

A system made of heart and blood vessels

Answer 1

Cardiovascular system

Question 2

Deliver oxygen and nutrients to the cells of the body, removing waste products, and maintaining perfusion to the organs and tissues

Answer 2

Cardiovascular System

Question 3

The pump that drives circulation of blood

Answer 3

Heart

Question 4

The pathways to and from the tissues

Answer 4

Blood vessels

Question 5

A hollow muscular organ a little larger than the patient’s fist

Answer 5

Heart

Question 6

Heart is between what intercostal

Answer 6

2nd and 5th

Question 7

______ of the heart lies to the left and midline of sternum

Answer 7

2/3

Question 8

The area of exterior chest that overlays the heart and great vessels

Answer 8

Precordium

Question 9

It is helpful to visualize the underlying structures of the heart

Answer 9

Precordium

Question 10

Occupies most of the anterior cardiac surface

Answer 10

Right ventricle

Question 11

Located at the right and left 2nd intercostal spaces next to the sternum

Answer 11

Base of the heart

Question 12

Behind the right ventricle and to thr left, outlined below in black, forms the left margin of the heart

Answer 12

Left ventricle

Question 13

Tapered inferior tip

Answer 13

Apex of the heart

Question 14

It produces the apical pulse

Answer 14

Apex

Question 15

Identified during palpation of the precordium as the point of maximal impulse or pmi

Answer 15

Apex

Question 16

Located at the left border of the heart and is normally found in the 5th intercostal space

Answer 16

Apical impulse / Apex

Question 17

In supine patients, the diameter of PMI is

Answer 17

1 cm to 2.5 cm

Question 18

Stimulates and coordinates the contraction of cardiac muscle

Answer 18

Electrical Conduction System

Question 19

A group of specialized cardiac cells located in the right atrium near the junction of vena cava

Answer 19

Sinus node

Question 20

It acts as pacemaker and automatically discharges an impulse about 60-100 times a minute

Answer 20

Sinus node

Question 21

A specialized group of cells located low in the atrial septum

Answer 21

Atrioventricular node

Question 22

Muscular contraction follows: first the _______, then the _______

Answer 22

Atria ; ventricles

Question 23

The volume of blood ejected from each ventricle

Answer 23

Cardiac Output

Question 24

Refers to the load that stretches the csrdiac muscle before contraction

Answer 24

Preload

Question 25

Refers to the ability of the cardiac muscle, to shorten or contract

Answer 25

Myocardial Contractility

Question 26

Refers to the degree of vascular resistance to ventricular contraction

Answer 26

Afterload

Question 27

Varies during the cardiac cycle, peaking in systole,and falling to its lowest through in diastole

Answer 27

Blood Pressure

Question 28

A blood pressure cuff

Answer 28

Sphygmomanometer

Question 29

The difference between systolic and diastolic pressure is

Answer 29

Pulse pressure

Question 30

The volume of blood ejected with each heartbeat

Answer 30

Stroke volume

Question 31

Stroke volume consists if

Answer 31

Preload Myocardial Contraction Afterload

Question 32

Cardiac output is a product of ______ and ______

Answer 32

heart rate and stroke volume

Question 33

Best estimate the jugular venous pressure

Answer 33

Right internal jugulsr vein

Question 34

Poor perfusion of oxygen

Answer 34

Cyanosis / Pallor

Question 35

Orbital edema may indicate

Answer 35

Heart failure

Question 36

What is the great vessel of the neck

Answer 36

Carotid Artery Pulse

Question 37

Provides valuable information about cardiac function and is especially useful for detecting stenosis or insufficiency of thr aortic valve

Answer 37

Carotid Artery Pulse

Question 38

Common cause of neck pain

Answer 38

Stenosis

Question 39

To assess amplitude and contour of the carotid pulse, the patient should be lying down with the head of the bed elevated to __________ degrees

Answer 39

30°

Question 40

This correlates well with the pulse pressure

Answer 40

The amplitude of the Pulse