Exam (elaborations)
RAD BIO AND PROTECTION MIDTERM CHAPTER 1 - 7 QUESTIONS AND ANSWERS
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RAD BIO AND PROTECTION MIDTERM CHAPTER 1 - 7 QUESTIONS AND ANSWERS
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Name: Score:125 Multiple choice questions
Term 1 of 125
How many different amino acids are involved in protein synthesis?
7
15
22
39
Term 2 of 125
Alpha particles have a radiation weighting factor (WR) that is numerically equal to:
1.
5.
10.
20.
Term 3 of 125
In the diagnostic radiology energy range from 23 to 150 kVp (which includes mammography),
which of the following possesses the greatest ability to absorb radiant energy through the
process of photoelectric absorption?
Air
Bone
Fat
Muscle
,Term 4 of 125
The cell components that contain the centrioles are the:
centrosomes
Golgi apparatus and mitochondria
lysosomes
ribosomes
Term 5 of 125
Which of the following units are not SI units?
1. Roentgens
2. Coulombs per kilogram, gray, Sieverts
3. Rads and rems
1 only
2 only
3 only
1 and 3 only
Term 6 of 125
The ALARA principle provides a method for comparing the amount of radiation used in various
health care facilities in a particular area for specific imaging procedures. This information may
be helpful to many:
accrediting bodies.
advisory groups.
radiation standards organizations.
regulatory agencies.
,Term 7 of 125
norganic materials are compounds that __________ carbon.
contain only very small amounts of
contain moderate amounts of
contain large amounts of
do not contain
Term 8 of 125
Typically, people are more willing to accept a risk if they perceive that the potential benefit to
be obtained is:
greater than the risk involved.
equal to the risk involved.
less than the risk involved.
typically, people are not willing to accept risk no matter how great the benefit may be.
Term 9 of 125
An effective radiation safety program requires a firm commitment to radiation safety by:
1. Facilities providing imaging services
2. Radiation workers
3. Patients
1 and 2 only
1 and 3 only
2 and 3 only
1, 2, and 3
, Term 10 of 125
Which of the following rem values equal 4000 mSv?
4 rem
40 rem
400 rem
4000 rem
Term 11 of 125
Cytosine bonds only with:
adenine
guanine
nitrogen
thymine
Term 12 of 125
In the human body, mineral salts are necessary for:
1. proper cell function
2. creation of energy
3. conduction of impulses along nerves
1 and 2 only
1 and 3 only
2 and 3 only
1, 2, and 3
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