Radiation Protection In Medical Radiography -
Questions With Tailored Solutions
Three different filters are incorporated into the detector packet of the
optically stimulated luminescence (OSL) dosimeter. These
filters are respectively made of
1. aluminum.
2. copper.
3. molybdenum.
4. rhenium tungsten.
5. tin.
a. 1, 2, and 3 only
b. 1, 2, and 4 only
c. 1, 2, and 5 only Correct Answer - C
An ionization chamber connected to an electrometer is a device that can
measure
a. electromagnetic force.
b. tiny electric currents with high precision and accuracy.
c. potential difference.
d. Voltage in an x-ray machine circuit Correct Answer - B
Which of the following personnel monitoring devices can be used to provide
an immediate exposure readout for a radiation
worker?
1. Personnel digital ionization dosimeter
2. Optically stimulated luminescence dosimeter without an in-house reader
3. Pocket ionization chamber
4. Thermoluminesence dosimeter
a. 1 and 2 only
b. 1 and 3 only
c. 1 and 4 only
d. 2 and 4 only Correct Answer - B
Which of the following is a disadvantage of the optically stimulated
dosimeter?
,a. Exposure not determinable on the day of occurrence without an in-house
reader
b. Mechanical shock can cause false high reading.
c. No permanent, legal record of exposure
d. Not cost-effective for large numbers of personnel Correct Answer - A
Whenever the letter "M" appears under the current monitoring period or in
the cumulative columns of a personnel monitoring
report, it signifies that a (an)
a. mistake has been made in recording the equivalent dose.
b. equivalent dose higher than the minimum measurable radiation quantity
was
recorded during that time.
c. equivalent dose below the minimum measurable radiation quantity was
recorded
during that time.
d. maximal equivalent dose has been exceeded during that time. Correct
Answer - C
The optically stimulated luminescence (OSL) dosimeter is "read out" by using
a (an)
a. densitometer.
b. ionization chamber.
c. thermoluminescent analyzer.
d. laser light at selected frequencies. Correct Answer - D
Some of the advantages of the optically stimulated luminescence (OSL)
dosimeter are
1. can be used for up to 1 year.
2. lightweight, durable, and easy to carry.
3. integrated, self-contained, preloaded packet.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3 Correct Answer - D
In general, which of the following can human cells do?
1. Move, grow, react, and protect themselves
2. Repair damage and regulate life processes
,3. Reproduce
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3 Correct Answer - D
Inorganic materials are compounds that
a. contain only very small amounts of carbon.
b. contain moderate amounts of carbon.
c. contain large amounts of carbon.
d. do not contain carbon. Correct Answer - D
Antibodies are protein molecules produced by specialized cells in the bone
marrow called
a. B lymphocytes.
b. R lymphocytes.
c. megakaryocytes.
d. oocytes. Correct Answer - A
The steps, or rungs, of the DNA ladder-like structure consist of
complementary chemicals that are
a. acetic acids.
b. fatty acids.
c. pairs of nitrogenous bases.
d. sugar-phosphate compounds. Correct Answer - C
Which of the following are compounds called purines?
1. Adenine and cytosine
2. Adenine and guanine
3. Adenine and thymine
a. 1 only
b. 2 only
c. 3 only
d. 1, 2, and 3 Correct Answer - B
The much smaller structures that make up nucleic acids are called
a. carbohydrates.
b. fatty acids.
c. nucleotides.
, d. polysaccharides. Correct Answer - C
Which of the following serves as a prototype for messenger RNA (mRNA)?
a. Deoxyribonucleic acid (DNA)
b. Nitric acid (HNO3)
c. Potassium (K) and sodium (Na)
d. Transfer RNA (tRNA) Correct Answer - A
The cell components that contain the centrioles are the
a. centrosomes.
b. Golgi apparatus and mitochondria.
c. lysosomes.
d. ribosomes Correct Answer - A
What do the highly organized enzymes in the inner membranes of the
mitochondria break down?
1. Carbohydrates
2. Fats
3. Proteins
a. 1 only
b. 2 only
c. 3 only
d. 1, 2, and 3 Correct Answer - D
During which of the following subphases of mitosis do the centrioles migrate
to opposite sides of the cell and begin to regulate the
formation of the mitotic spindle?
a. Anaphase
b. Metaphase
c. Prophase
d. Telophase Correct Answer - C
In the human body mineral salts are necessary for
1. proper cell function.
2. creation of energy.
3. conduction of impulses along nerves.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
Questions With Tailored Solutions
Three different filters are incorporated into the detector packet of the
optically stimulated luminescence (OSL) dosimeter. These
filters are respectively made of
1. aluminum.
2. copper.
3. molybdenum.
4. rhenium tungsten.
5. tin.
a. 1, 2, and 3 only
b. 1, 2, and 4 only
c. 1, 2, and 5 only Correct Answer - C
An ionization chamber connected to an electrometer is a device that can
measure
a. electromagnetic force.
b. tiny electric currents with high precision and accuracy.
c. potential difference.
d. Voltage in an x-ray machine circuit Correct Answer - B
Which of the following personnel monitoring devices can be used to provide
an immediate exposure readout for a radiation
worker?
1. Personnel digital ionization dosimeter
2. Optically stimulated luminescence dosimeter without an in-house reader
3. Pocket ionization chamber
4. Thermoluminesence dosimeter
a. 1 and 2 only
b. 1 and 3 only
c. 1 and 4 only
d. 2 and 4 only Correct Answer - B
Which of the following is a disadvantage of the optically stimulated
dosimeter?
,a. Exposure not determinable on the day of occurrence without an in-house
reader
b. Mechanical shock can cause false high reading.
c. No permanent, legal record of exposure
d. Not cost-effective for large numbers of personnel Correct Answer - A
Whenever the letter "M" appears under the current monitoring period or in
the cumulative columns of a personnel monitoring
report, it signifies that a (an)
a. mistake has been made in recording the equivalent dose.
b. equivalent dose higher than the minimum measurable radiation quantity
was
recorded during that time.
c. equivalent dose below the minimum measurable radiation quantity was
recorded
during that time.
d. maximal equivalent dose has been exceeded during that time. Correct
Answer - C
The optically stimulated luminescence (OSL) dosimeter is "read out" by using
a (an)
a. densitometer.
b. ionization chamber.
c. thermoluminescent analyzer.
d. laser light at selected frequencies. Correct Answer - D
Some of the advantages of the optically stimulated luminescence (OSL)
dosimeter are
1. can be used for up to 1 year.
2. lightweight, durable, and easy to carry.
3. integrated, self-contained, preloaded packet.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3 Correct Answer - D
In general, which of the following can human cells do?
1. Move, grow, react, and protect themselves
2. Repair damage and regulate life processes
,3. Reproduce
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3 Correct Answer - D
Inorganic materials are compounds that
a. contain only very small amounts of carbon.
b. contain moderate amounts of carbon.
c. contain large amounts of carbon.
d. do not contain carbon. Correct Answer - D
Antibodies are protein molecules produced by specialized cells in the bone
marrow called
a. B lymphocytes.
b. R lymphocytes.
c. megakaryocytes.
d. oocytes. Correct Answer - A
The steps, or rungs, of the DNA ladder-like structure consist of
complementary chemicals that are
a. acetic acids.
b. fatty acids.
c. pairs of nitrogenous bases.
d. sugar-phosphate compounds. Correct Answer - C
Which of the following are compounds called purines?
1. Adenine and cytosine
2. Adenine and guanine
3. Adenine and thymine
a. 1 only
b. 2 only
c. 3 only
d. 1, 2, and 3 Correct Answer - B
The much smaller structures that make up nucleic acids are called
a. carbohydrates.
b. fatty acids.
c. nucleotides.
, d. polysaccharides. Correct Answer - C
Which of the following serves as a prototype for messenger RNA (mRNA)?
a. Deoxyribonucleic acid (DNA)
b. Nitric acid (HNO3)
c. Potassium (K) and sodium (Na)
d. Transfer RNA (tRNA) Correct Answer - A
The cell components that contain the centrioles are the
a. centrosomes.
b. Golgi apparatus and mitochondria.
c. lysosomes.
d. ribosomes Correct Answer - A
What do the highly organized enzymes in the inner membranes of the
mitochondria break down?
1. Carbohydrates
2. Fats
3. Proteins
a. 1 only
b. 2 only
c. 3 only
d. 1, 2, and 3 Correct Answer - D
During which of the following subphases of mitosis do the centrioles migrate
to opposite sides of the cell and begin to regulate the
formation of the mitotic spindle?
a. Anaphase
b. Metaphase
c. Prophase
d. Telophase Correct Answer - C
In the human body mineral salts are necessary for
1. proper cell function.
2. creation of energy.
3. conduction of impulses along nerves.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
