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Book cover image
Hole's Human Anatomy & Physiology, 9/e
David Shier, Washtenaw Community College
Ricki Lewis, The University at Albany
Jackie Butler, Grayson County Community College

Chemical Basis of Life

True/False Quiz

Please answer all questions



1

PET is the acronym for a diagnostic tool, which utilizes X-rays to scan internal body structures.
A)True
B)False
2

Matter is anything that has weight and has a function.
A)TRUE
B)FALSE
3

Although there are around 112 elements known, 20 are not naturally occurring.
A)True
B)False
4

Gamma radiation is similar to X-rays but gamma rays are more penetrating.
A)True
B)False
5

The time it takes for a radioactive element to lose one-half of its radioactivity is the half-life.
A)True
B)False
6

Thallium-201 is usually used to detect cancers and inflammation.
A)True
B)False
7

Radioactive elements will undergo the same types of chemical reactions as their stable counterparts.
A)True
B)False
8

People are constantly exposed to what is termed background radiation in the environment.
A)True
B)False
9

Exposure to radiation from medical and dental procedures is less than what one would receive from natural background exposure.
A)True
B)False
10

Some smoke detectors can emit radiation.
A)True
B)False
11

Most chemical reactions are reversible in nature.
A)True
B)False
12

A person could have a blood pH of 7.2 and considered to have excess acidity or acidosis.
A)True
B)False
13

The total pH range compatible with human life is 7.35 to 7.45 in the blood.
A)True
B)False
14

A person could not survive with a blood pH of 6 or 8.l.
A)True
B)False
15

Cow's milk is more acidic than apple juice.
A)True
B)False
16

The presence of electrolytes in the body is more important than their relative amounts.
A)True
B)False
17

Organic compounds must all contain the atom carbon.
A)True
B)False
18

The fundamental unit in all polysaccharides is dextrose.
A)TRUE
B)FALSE
19

Saturated fats are associated with coronary artery disease.
A)True
B)False
20

All proteins function as catalysts or enzymes.
A)True
B)False
21

All proteins must contain nitrogen and amino acids.
A)TRUE
B)FALSE