HBS 3.1 New

Which type of vessels have the smallest diameter?

• arteries

• venules

• capillaries

• arterioles

Which of the following would decrease blood pressure?

• increased viscosity

• increased vessel radius

• increased blood volume

• increased cardiac output

Tags

NGSS.HS-LS1-3

An electrocardiogram measures what?

• The amount of pressure exerted on blood vessels.

• The electrical activity of the heart.

• How many times the heart contracts over time.

• The body's temperature caused by friction of blood in vessel.

The p-wave correlates with which event?

• atrium contraction /signals moving from SA node to AV node

• ventricle contraction

• ventricle repolarization

• both atrial and ventricle contraction

The t-wave correlates with which event?

• atrium contraction /signals moving from SA node to AV node

• ventricle contraction

• ventricle repolarization

• both atrial and ventricle contraction

The AV node is located at...

• A

• B

• C

• D

The Purkinje fibers are located at...

• F

• G

• H

• I

The _________ take deoxygenated blood from the head back to the heart

• Pulmonic Valve

• jugular Vein

• Aortic Valve

• Subclavian Vein

Identify #2 ​ (a)  

• superior vena cava

• pulmonary trunk

• pulmonary vein

• aortic valve

• inferior vena cava

• left ventricle

• right ventricle

• septum

• pulmonary valve

• aorta

Which type of vessels have the smallest diameter?

• arteries

• venules

• capillaries

• arterioles