Heart Quiz

Question 1

What are the primary functions of the CV system?

Answer 1

• Replace CO2 with O2
• Cool the body

Question 2

Where is the heart located?

Answer 2

• Deep to the sternum
• Deep to ribs 3-5

Question 3

The apex of the heart is located

Answer 3

in the 5th and 6th intercostal space

Question 4

The difference between skeletal muscle and cardiac muscle is:

Answer 4

• Cardiac muscle cells branch, while skeletal muscle cells do not
• Cardiac muscles cells have intercalated disks, while skeletal muscles cells do not

Question 5

Exercise will cause ______ of the skeletal muscles and _______ of the viscera (gut)

Answer 5

Vasodilation
vasoconstriction

Question 6

After several months of aerobic training, which of the following will occur?

Answer 6

SV is higher at rest

Question 7

Pound for pound (all else equal), children have a _______ compared to adults.

Answer 7

Lower SV and Higher HR

Question 8

All else equal, children have a ______ surface area to body body weight ratio compared with adults, and therefore tend to change their body temperature at a ________ rate than adults.

Answer 8

Larger, faster

Question 9

Cardiovascular drift occurs when:

Answer 9

HR begins to increase as SV begins to decrease

Question 10

Cardiovascular drift occurs because of which of the following?

Answer 10

Blood volume is decreasing

Question 11

The volume of blood the heart can pump out per minute is which of the following?

Answer 11

Cardiac output and Stroke Volume x Heart Rate