Unit 4

Question 1

The aorta arises from the

Answer 1

Left ventricle

Question 2

The pulmonary veins bring blood to the

Answer 2

Left atrium

Question 3

The mitral valve is located between which structures

Answer 3

Lt atrium and Lt ventricle

Question 4

The tricuspid valve is located between which structures

Answer 4

Rt atrium and Rt ventricle

Question 5

The first vessel to branch off the aortic arch is the

Answer 5

Brachiocephalic artery

Question 6

The coronary sinus bring blood FROM the heart muscle into the

Answer 6

Rt atrium

Question 7

The pulmonary trunk exits the heart via the

Answer 7

Rt ventricle

Question 8

The superior vena cava and the inferior vena cava brings blood back to the

Answer 8

Rt atrium

Question 9

Which of the following is NOT considered a mediastinal structure?

Answer 9

Lungs

Question 10

The medial surface of each lung where the bronchi, great vessels, nerves and lymph vessels enter and exit

Answer 10

Hilum

Question 11

The lining or covering of the heart is called the

Answer 11

Pericardium

Question 12

The ______________ layer of the heart has a parietal and visceral layer

Answer 12

Serous

Question 13

The _______________ is the layer of heart muscle

Answer 13

Myocardium

Question 14

The four___________________________ bring oxygenated blood to the left atrium

Answer 14

Pulmonary veins

Question 15

The outer membrane of the thoracic cavity

Answer 15

Parietal pleura

Question 16

The left ventricle makes up the ___________ of the heart .

Answer 16

Apex

Question 17

The ridge at the point of bifurcation of the trachea is the

Answer 17

Carina

Question 18

The ____________________ is the endocrine gland located within the thoracic cavity.

Answer 18

Thymus

Question 19

Each lobe of the lung is separated by

Answer 19

Fissures

Question 20

What are the openings or the passages for the vessels and organs from the thoracic cavity to the abdominal cavity referred to as?

Answer 20

Hiatus

Question 21

What prevents the backflow of blood within the heart?

Answer 21

valves

Question 22

The right lung has ______ lobes, while the left lung has

Answer 22

3,2

Question 23

The functional unit of the respiratory system is the

Answer 23

alveoli

Question 24

What is the large indentation on the medial surface of the left lung:

Answer 24

cardiac notch