Biology (Mader), 10th Edition

Chapter 32: Circulation and Cardiovascular Systems

Post-Test

1
Which of the following lacks a circulatory system?
A)Paramecium
B)Planarian
C)Jellyfish
D)All of these
2
A closed circulatory system has _____.
A)a system of blood vessels
B)a heart
C)valves to prevent backflow
D)All of these
3
Hemolymph contains _____.
A)tissue fluid
B)blood
C)oxygen
D)All of these
4
Which of the following is absent in an animal with a closed circulatory system?
A)A heart
B)A hemocoel
C)Blood vessels
D)None of these
5
Blood is carried away from the heart by _____.
A)arteries
B)veins
C)capillaries
6
Which of the following have valves to prevent backflow?
A)Arteries
B)Veins
C)Capillaries
7
Blood pressure is affected by constriction and dilation of _____.
A)veins
B)venules
C)arterioles
D)capillaries
8
The _____ have well-developed walls with a thick middle layer of elastic tissue and smooth muscle.
A)arteries
B)capillaries
C)veins
9
Blood is drained from capillaries by _____.
A)veins
B)arterioles
C)venules
D)arteries
10
Birds and mammals have _____ chamber hearts.
A)one
B)two
C)three
D)four
11
Pulmonary circulation pumps blood to the _____.
A)brain
B)lungs
C)digestive system
D)All of these
12
A single ventricle is present in _____.
A)amphibians
B)fish
C)most reptiles
D)All of these
13
Plasma contains _____.
A)amino acids
B)hormones
C)carbon dioxide
D)All of these
14
Defense against invasion by bacteria and viruses is provided by _____.
A)macrophages
B)platelets
C)fibrin
D)None of these
15
A blood clots consists of _____.
A)platelets
B)fibrin
C)red blood cells
D)All of these
16
When a small cranial arteriole bursts or is blocked by an embolus, _____ occurs.
A)ventricular fibrillation
B)a stroke
C)a heart attack
D)None of these
17
The supply of oxygen to the heart can be cut off by a blockage in the _____, resulting in a heart attack.
A)aorta
B)coronary arteries
C)pulmonary vein
D)inferior vena cava
18
Where does the blood go when it leaves the right atrium?
A)The left atrium
B)The right ventricle
C)The body
D)The lungs
19
During an electrocardiogram, the SA node produces an electric charge called the P wave, which indicates _________________.
A)the ventricles are about to contract and the atria are relaxing
B)the atria are about to contract
C)the ventricular muscle fibers are recovering
D)the ventricles are about to relax and atria are contracting
20
To lower the risk of heart disease, you should avoid _____.
A)olive oil
B)fresh fruits
C)margarine
D)None of these
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