Unit 16-- Cardiovascular

Question 1

What organ or structure is posterior to the heart?

Answer 1

vertebral column

Question 2

Which organ or structure is anterior to the heart?

Answer 2

sternum

Question 3

Blood flows from the right atrium, through the tricuspid valve, into the _______)

Answer 3

right ventricle

Question 4

Look At Blood Supply Arteries and Veins Image

Answer 4

identify the inferior vena cava

Question 5

Upper two chambers of the heart are called:

Answer 5

Atria

Question 6

Blood Flows from the left atrium, through the bicuspid valve, into the ______

Answer 6

Left Ventricle

Question 7

Arteries and Veins Supply Image

Answer 7

arteries supplying blood to the upper body

Question 8

The Right atrioventricular valve is the:

Answer 8

tricuspid valve

Question 9

Layers of the heart tissue image

Answer 9

which one is pericardial cavity, parietal layer of serous pericardium, and epicardium

Question 10

parts of the heart image

Answer 10

aortic arch, tricuspid valve, right pulmonary veins, and epicardium

Question 11

if the tricuspid valve is open, the _____ valve is also open

Answer 11

the bicuspid valve (mitral)

Question 12

if the mitral valve is open, the ___ valve is also open

Answer 12

the tricuspid valve

Question 13

Which vein carries oxygenated blood?

Answer 13

Pulmonary Vein

Question 14

The pulmonary trunk conducts blood away from the heart toward the:

Answer 14

lungs

Question 15

the brachiocephalic artery, left common artery, and left subclavian artery arise as the branches of the:

Answer 15

aortic arch

Question 16

vulvar regergitation occurs when blood flows from:

Answer 16

the ventricles to the atria

Question 17

an abnormal “hole” in between the right and left atrium is called a/an:

Answer 17

atrial septal defect

Question 18

Image of medial section of the heart

Answer 18

Sinoatrial (SA) node, atrioventricular node (AV),

Question 19

chart of channel activity in the heart

Answer 19

channel activity predominating in the red, orange, and teal curves (NO resting potential)

Question 20

Stimulating the vagus nerve would cause…

Answer 20

heart rate to decrease

Question 21

refractory period graph

Answer 21

orange, purple, teal, and grey sections

Question 22

Heart waves on a monitor

Answer 22

PQR waves, segments, all the parts

Question 23

The heart relaxes and the atria fill with blood at this point:

Answer 23

diastole

Question 24

The most commonly-quoted cardiac function measurement is the ejection fraction. This describes:

Answer 24

percentage of ventricles emptied at systole

Question 25

Which vessels have the largest diameters and relatively thin, flexible walls that can withstand high temperatures?

Answer 25

Conducting/elastic arteries

Question 26

***Histology of veins and arteries pics***

Answer 26

which is artery vs the vein?

Question 27

***images of different capillaries***

Answer 27

continuous capillary,

Question 28

if the oxygen demand of tissues increases (in exercising muscles) then precapillary sphincters:

Answer 28

dilate

Question 29

Drugs that increase nitric oxide (NO) are used to relieve angina attacks because they act to:

Answer 29

vasodilate

Question 30

***Blood pressure image that looks like a wavy tornado***

Answer 30

mean blood pressure highest, venous system (3 sections)

Question 31

Increased blood viscosity causes:

Answer 31

hypotension

Question 32

hypertension is:

Answer 32

abnormally low blood pressure

Question 33

***Veins image anatomy***

Answer 33

common illiac vein, external iliac

Question 34

***Arteries image anatomy***

Answer 34

internal illiac artery

Question 35

Vasodilators

Answer 35

Atrial Natiruretic Peptide, Nitric Oxide, Histamine, Prostacyclin, Kinins, Ethanol

Question 36

Vasoconstrictors

Answer 36

Norepinephrine, Epinephrine, ADH, Angiotensin II, Endothelin Derived factors