Site MapHelpFeedbackAuthor Quiz
Author Quiz
(See related pages)



1

Most of the oxygen carried by the blood is
A)dissolved in the plasma.
B)bound to hemoglobin molecules.
C)present as tiny bubbles in the blood.
D)part of sugar molecules.
2

The normal flow of blood through the heart is
A)right atrium → right ventricle → lungs → left atrium → left ventricle.
B)right atrium → left atrium → left ventricle → aorta.
C)lungs → right atrium → right ventricle → aorta.
D)right atrium → right ventricle → aorta → left atrium → left ventricle → lungs.
3

What do the lungs, kidneys, and small intestine have in common?
A)They are made up of muscle.
B)They receive blood from the aorta.
C)They have a large surface area.
D)They remove materials from the blood.
4

Capillaries
A)are the smallest blood vessels.
B)carry blood.
C)are the sites where exchange of molecules takes place between the blood and other organs.
D)All of the above are true.
5

A nerve impulse
A)travels at the speed of light.
B)is an electric current.
C)involves the movement of ions across the nerve cell membrane.
D)All of these answers are true.
6

Which of the following is typical of an endocrine gland? It
A)secretes into a duct.
B)produces enzymes for digestion.
C)usually secretes its products into the circulatory system.
D)increases the metabolic rate.
7

Which is then normal direction in which the nerve impulse flows?
A)axon--synapse--dendrite
B)axon--soma--dendrite
C)soma--dendrite--axon
D)dendrite--synapse--axon
8

The primary function of the blood is to
A)protect you from disease.
B)carry materials.
C)provide heat.
D)increase metabolism.
9

The sense of touch
A)is evenly distributed over the surface of the body.
B)consists of very few receptor cells in very specific places, like the tips of the fingers.
C)is relatively unimportant.
D)includes pressure, temperature, and pain receptors.
10

Muscles are in antagonistic sets because
A)muscles cannot lengthen by themselves.
B)muscles push but cannot pull.
C)they do not like one another.
D)there is an increase in metabolic efficiency if they are present in antagonistic sets.





To learn more about the book this website supports, please visit its Information Center.
(c)2004 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


Integrated ScienceOnline Learning Center

Home > Chapter 24 > Author Quiz