Cardiovascular

Question 1

Which organ helps the heart maintain blood pressure and how

Answer 1

Kidney; increases blood volume through Renin-Angiotensin system

Question 2

Once blood enters the right atria, what are the next 2 structures it passes

Answer 2

pulmonary valve then lungs **

Question 3

Which heart chamber has the thickest muscle because it pumps blood throughout the body

Answer 3

Left ventricle

Question 4

Which of the following occur during ventricular systole

Answer 4

Ventricle contract and pulmonary/ aortic valves open

Question 5

Which electrolytes enter the heart cells during depolarization

Answer 5

Sodium and calcium

Question 6

Which is the correct pathway for the heart electrical conduction system

Answer 6

SA node, AV node, Bundle of his, and Purkinje

Question 7

Which chamber receives blood from the pulmonary vein

Answer 7

Left atria ***

Question 8

Contraction of the atria coincides with which waveform on the ECG

Answer 8

P wave

Question 9

Ventricular depolarization coincides with which waveform on the ECG

Answer 9

qrs wave

Question 10

Which factor that helps determine cardiac output is the resistance the left ventricle experiences when it tries to eject blood into the aorta

Answer 10

Afterload