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True/False Quiz
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Please answer all questions

1
PET is the acronym for a diagnostic tool that 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, about 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 be considered to have excess acidity or acidosis.
A)True
B)False
13
The total blood pH range compatible with human life is 7.35 to 7.45.
A)True
B)False
14
A person could not survive with a blood pH of 6 or 8.2.
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







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