AnswersEAP-Biology B CRThe Cardiovascular System

The Cardiovascular System Answers

10 verified answers1 views
1
Free Preview

Which structure(s) carries blood to the heart so the heart has its own supply of oxygen and nutrients to perform its function?

A
pulmonary artery
B
coronary arteries
C
superior vena cava
D
inferior vena cava
2
Free Preview

What most directly causes hypertension?

A
lack of blood flow to the heart
B
a weakening of a blood vessel wall
C
excessive force of blood pumping
D
injury to heart muscle
3

Frog hearts have a chamber where deoxygenated blood can mix with oxygenated blood. What structure in the human heart prevent such mixing?

A
atria
B
pericardium
C
septum
D
blood vessels
4

Which statement best describes the difference between atria and ventricles?

A
Atria push blood from the veins to the ventricles, and ventricles push blood from the atria to the arteries.
B
Atria push blood from the ventricles to the arteries, and ventricles push blood from the veins to the atria.
C
Atria are on the bottom of the heart, and ventricles are on the upper part of the heart.
D
Atria receive oxygenated blood, and ventricles receive deoxygenated blood.
5

Which of the following processes is directly affected by the cardiovascular system?

A
hair growth
B
muscle strength
C
healing of cuts
D
hormone release
6

What is the medical term for a heart attack?

A
aneurysm
B
hypertension
C
coronary artery disease
D
myocardial infarction
7

Which components make up the cardiovascular system?

A
lungs, heart, and blood vessels
B
heart, blood vessels, and blood
C
heart, blood, and lungs
D
lungs, heart, and skin
8

Which best describes the pericardium?

A
structures inside the heart that ensure that blood flows in one direction only
B
a sac around the heart that allows the heart muscle to receive oxygen
C
a sac around the heart that protects the heart and chest tissues
D
structures inside the heart that bring blood to the lungs for oxygenation
9

This picture shows what the heart rhythm looks like when there is an injury to the heart muscle due to a lack of blood flow through the coronary arteries.What is most likely true of a person who has this heart rhythm?

Question illustration
A
The person is taking drugs to prevent blood clots.
B
The person has had a heart transplant.
C
The person is having a heart attack.
D
The person has hypertension.
10

Which describes how blood can be protective in nature?

A
by forming a protective layer within blood vessels
B
by carrying cells that defend the body from foreign materials
C
by secreting oil that destroys foreign materials
D
by producing acid that kills foreign materials

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Blood

Quiz
10 verified answers

The Respiratory System

Quiz
2 verified answers

The Cardiovascular System