quiz 4

Question 0

heart innervation

Answer 0

vagus

sympathetic trunk

Question 1

innervation of the lungs

Answer 1

vagus, constricts bronchioles

sympathethetic trunks, dilate bronchioles

Question 2

heart wall (3 layers)

Answer 2

• epicardium
• myocardium
• endocardium

Question 3

heart chambers

Answer 3

right ventricle, right atrium, left ventricle, left atrium

Question 4

atrium does what?

Answer 4

receives the blood

Question 5

Ventricle does what’??

Answer 5

pumps blood out of the heart

Question 6

Main blood vessels attached to the heart:

Answer 6

1. the pulmonary trunk
2. four pulmonary veins
3. Aorta
4. the Coronary sinus, inferior and superior vena cava

Question 7

Heart valves (keep blood flowing in 1 direction)

Answer 7

atrioventricular valves
- composed of flaps (cusps)
-chordae tendinease
-papillary muscle
Atrioventricular valves: tricuspid, bicuspid (mitral)

Question 8

Heart membranes

Answer 8

1. pericardium
2. fibrous pericardium
3. serous pericardium
   
   • parietal pericardium
   • Visceral pericardium

Question 9

Lung membranes

Answer 9

1. viscera pleural

2. parietal pleura