Question 1

If a patient has a stroke volume of 80mLs and a heart rate of 60, what is their cardiac output?

Accepted Answer

A)  480mLs
B)  140mLs
C)  4800mLs
D)  1.33mLs C

Question 2

What term is most associated with myocardial contractions?

Accepted Answer

A)  Frank-Starling's law
B)  Starling's law
C)  Frank-Starling's mechanism
D)  All of the above D

Question 3

What do preload, cardiac contractility and afterload reflect?

Accepted Answer

A)  Heart volume
B)  Stroke count
C)  Blood volume
D)  Stroke volume D

Question 4

What is a patient's cardiac output if they have a stroke volume of 80ml and a heart rate of 80?

Accepted Answer

A)  160ml
B)  6400ml
C)  16ml
D)  3200ml

Question 5

What is the filling of the pericardial sac with fluid, which in turn limits the filling of the heart?

Accepted Answer

A)  Pericardial Exhaustion
B)  Pericardial Flex
C)  Pericardial Tamponade
D)  Pericardial Shock

Question 6

What is the function of intercalated discs that are located in the cardiac muscle fibers?

Accepted Answer

A)  To connect cardiac muscle fibers with the diaphragm
B)  To connect cardiac muscle fibers with skeletal muscles
C)  To connect cardiac muscle fibers with the aorta
D)  To connect cardiac muscle fibers to conduct electrical impulses quickly

Question 7

You are about to attempt resuscitation on a patient in cardiac arrest with an automated external defibrillation device. What is the most critical factor to success?

Accepted Answer

A)  Patient's weight
B)  Time
C)  Patient's height
D)  Distance

Question 8

What decreases when hypovolemia reduces preload?

Accepted Answer

A)  Cardiac input
B)  Cardiac output
C)  Synapses input
D)  Synapses output

Exam 2: Cardiology