Mock exam: radiation therapy boards
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What is the most common side effect myelosuppression
associated with cytotoxic drugs?
What is an evaluation of a tumor in Grade
terms of degree of cellular
differentiation?
According to Bergonie and C
Tribondeau, factors that may
influence the sensitibity of a group of
cells to ionizing radiation are:
1. mitotic activity
2. time of cell division
3. cellular differentiation
4. length of mitotic activity
a. 1,2
b. 2,3
c. 1,3,4
d. 1,2,3,4
,Prophylatic therapy is intended to: D
a. relieve pain
b. heal/stall ulceration, fungation or
fracture
c. improve the quality of life
d. sterilize areas of microscopic
disease
The Negative side of the basic x-ray B
tube is known as the:
a. anode
b. cathode
c. filament
d. vacuum
If a 50 keV electron collides w. an a (50keV-25keV = 25keV)
inner shell e- w. a binding energy of
25keV, the resulting photoelectron
will have an energy of :
a. 25 keV
b. 75 keV
c. 100 keV
d. 150 keV
,A photon of 25 A has a kinetic C (E=12.4/lamda; E=12.4/25A = .0496 keV)
energy of ____keV.
a. 0.489
b. 1.82
c. 0.496
d. 0.688
If using a tungsten target, the A (tungsten atomic number(Z) is 74, max energy of
fraction of 4 MeV electrons electron = E, use formula F=3.5x10^-4 (Z) (E) to find
converted to photons is what? answer)
a. 10.36%
b. 12.84%
c. 11.36%
d. 9.87%
The probability of a photoelectric decrease, increase
interaction _____ with increasing
energies and _____ with the atomic
number of the medium.
After alpha decay, the daughter C
nuclide will have an atomic mass
number___ amu lower than the parent.
a. 1
b. 2
c. 4
d. 6
, An atom is neutral if the # of its e- is A
equal to its:
a. protons
b. nucleons
c. atomic weight
d. none of the above
Solve for lambda in hours^-1 C
A=5mCi
A0=18mCi
t=50 hours
a. 0.0335 hrs^-1
b. 0.00256 hrs^-1
c. 0.0256 hrs^-1
d. 0.588 hrs^-1
2 or more chemicals w/ the same B
chemical formula, but different
nuclear states are known as:
a. isomers
b. isotopes
c. isobars
d. isotones
Leave the first rating
Save
Terms in this set (215) Hide definitions
What is the most common side effect myelosuppression
associated with cytotoxic drugs?
What is an evaluation of a tumor in Grade
terms of degree of cellular
differentiation?
According to Bergonie and C
Tribondeau, factors that may
influence the sensitibity of a group of
cells to ionizing radiation are:
1. mitotic activity
2. time of cell division
3. cellular differentiation
4. length of mitotic activity
a. 1,2
b. 2,3
c. 1,3,4
d. 1,2,3,4
,Prophylatic therapy is intended to: D
a. relieve pain
b. heal/stall ulceration, fungation or
fracture
c. improve the quality of life
d. sterilize areas of microscopic
disease
The Negative side of the basic x-ray B
tube is known as the:
a. anode
b. cathode
c. filament
d. vacuum
If a 50 keV electron collides w. an a (50keV-25keV = 25keV)
inner shell e- w. a binding energy of
25keV, the resulting photoelectron
will have an energy of :
a. 25 keV
b. 75 keV
c. 100 keV
d. 150 keV
,A photon of 25 A has a kinetic C (E=12.4/lamda; E=12.4/25A = .0496 keV)
energy of ____keV.
a. 0.489
b. 1.82
c. 0.496
d. 0.688
If using a tungsten target, the A (tungsten atomic number(Z) is 74, max energy of
fraction of 4 MeV electrons electron = E, use formula F=3.5x10^-4 (Z) (E) to find
converted to photons is what? answer)
a. 10.36%
b. 12.84%
c. 11.36%
d. 9.87%
The probability of a photoelectric decrease, increase
interaction _____ with increasing
energies and _____ with the atomic
number of the medium.
After alpha decay, the daughter C
nuclide will have an atomic mass
number___ amu lower than the parent.
a. 1
b. 2
c. 4
d. 6
, An atom is neutral if the # of its e- is A
equal to its:
a. protons
b. nucleons
c. atomic weight
d. none of the above
Solve for lambda in hours^-1 C
A=5mCi
A0=18mCi
t=50 hours
a. 0.0335 hrs^-1
b. 0.00256 hrs^-1
c. 0.0256 hrs^-1
d. 0.588 hrs^-1
2 or more chemicals w/ the same B
chemical formula, but different
nuclear states are known as:
a. isomers
b. isotopes
c. isobars
d. isotones
