WorksheetsRADBIO/CHAPTER
Total questions: 10
Worksheet time: 5mins
Inorganic materials are compounds that
contain only very small amounts of carbon.
do not contain carbon.
contain large amounts of carbon.
contain moderate amounts of carbon.
The steps, or rungs, of the DNA ladder-like structure consist of complementary chemicals that are
sugar–phosphate compounds.
fatty acids.
pairs of nitrogenous bases.
acetic acids.
Which of the following are compounds called purines?
1. Adenine and cytosine 2. Adenine and guanine 3. Adenine and thymine
1 only
2 only
3 only
1& 3
Proteins are formed from:
DNA
lipids
glucose
amino acids
The human body is comprised of about 80% _____.
protein
carbohydrates
water
lipids
Attenuation may be defined as:
interactions that only occur at doses used in radiation therapy.
radiation that emerges from the patient.
changes in the x-ray beam as it travels through the patient.
interactions that only produce scatter radiation.
Which photon–tissue interaction may expose radiographers during fluoroscopy?
Coherent
Photoelectric interaction
Compton
Pair production
The unit of absorbed dose is the:
gray.
coulomb/kilogram.
Becquerel
Sievert
The unit of radioactivity is the:
becquerel.
gray.
quality factor.
Sievert.
What is the unit of air kerma?
Becquerel
GrayA
Sievert
GrayT
