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Last Semester Board Prep > ASRT SEAL TEST 1 > Flashcards

ASRT SEAL TEST 1 Flashcards

1
Q 
A whole body dose of 100-1000 cGy would cause symptoms from which syndrome?
somatic
hematopoietic
gastrointestinal
cerebrovascular
A

Hematopoietic

is the production of all of the cellular components of blood and blood plasma.

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2
Q

Percentage depth dose curve (PDD) is dependent on all of the following factors except for:

energy.
depth.
SSD.
SAD.

A

SAD

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3
Q 
The interaction between an incident photon and an inner shell electron which transfers all the energy of the photon to the electron is called:
photoelectric effect.
Compton scattering.
pair production.
photodisintegration.
A

Photoelectric effect

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4
Q 
1 J/Kg is equal to:
10 ergs/gram.
100 J/g.
1Gy.
1 cGy.
A

1 Gy

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5
Q 
What is the Tolerance Dose for 5% risk at 5 years (TD 5/5) for the whole liver?
20 Gy
25 Gy
30 Gy
35 Gy
A

30 Gy

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6
Q 
A common screening technique for prostate cancer is:
CT of the abdomen.
a barium enema.
a fecal occult blood test.
digital rectal exam.
A

Digital Rectal Exam

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7
Q 
Supraclavicular lymph nodes are treated to what depth?
1 cm
2 cm
3 cm
4 cm
A

3 cm

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8
Q

A(n) __________ is used to prevent a hot spot at the junction of two treatment fields with a small hinge angle.

MLC
half-beam block
wedge
independent jaw

A

wedge

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9
Q

A surgical report that indicates the presence of positive margins means that:

there is disease remaining.
there is no disease remaining.
the margins were wide enough.
none of the above.

A

there is disease remaining

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10
Q

The three major pathways of lymphatic drainage of the breast are:

internal mammary, transpectoral, and axillary.
axillary, subclavian, and central axillary.
rotter’s nodes, axillary, and internal mammary.
supraclavicular, subclavian, and axillary.

A

internal mammary, transpectoral, and axillary.

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11
Q

A whole body dose of 1000-5000 cGy would result in what type of acute radiation syndrome?

hematopoietic
gastrointestinal
cerebrovascular
subcutaneous

A

gastrointestinal

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12
Q

According to the American Joint Committee on Cancer staging system, T1b glottic cancer involves:

one vocal cord.
both vocal cords.
the supraglottis.
adjacent tissues.
Previous
A

Both vocal cords

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13
Q

Gantry and collimator angle indicators have a ________ tolerance.

0.5°
1.0°
1.5°
2°

A

1.0°

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14
Q

The JRCERT is an example of a(n):

accrediting body.
professional society.
state agency.
federal regulatory agency.

A

accrediting body

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15
Q

Ipsilateral means:

the same side of the body.
the opposite side of the body.
towards the head.
towards the feet.

A

the same side

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16
Q

Which organization regulates the use of radioactive materials to ensure adequate protection of public health and safety?

Center for Devices and Radiological Health (CDRH)
Food and Drug Administration (FDA)
The Joint Commission (TJC)
Nuclear Regulatory Commission (NRC)

A

Nuclear Regulatory Commission (NRC)

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17
Q

What is the most common breast cancer diagnosis?

invasive infiltrating ductal carcinoma
lobular carcinoma
inflammatory carcinoma
tubular carcinoma

A

invasive infiltrating ductal carcinoma

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18
Q

Well-differentiated tumors are generally:

benign.
metastatic.
anaplastic.
carcinomas.

A

benign

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19
Q

An example of a sterile procedure is:

the insertion of a nasogastric tube.
a barium enema.
the insertion of a urinary catheter.
a sigmoidoscopy.

A

the insertion of a urinary catheter.

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20
Q 
When treating a patient using the source to surface distance (SSD), the field size is defined:
at depth.
at mid-plane
at the patient's skin.
at Dmax.
A

at mid-plane

at the patient’s skin.

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21
Q 
Screening for colorectal cancer includes:
a carcinoembryonic antigen (CEA) test.
a digital rectal exam.
a prostate-specific antigen (PSA) test.
a fecal occult blood test (FOBT).
A

a fecal occult blood test (FOBT).

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22
Q

Tumor grade is determined by:

size.
extent.
differentiation.
lymph node status.

A

differentiation

23
Q

Cerrobend blocks are made from all of the following materials, EXCEPT for:

cadmium.
bismuth.
tin.
indium.

A

indium.

24
Q

The most common method for sterilization is:

heat.
gas.
low temperature sterilization.
liquid chemicals.

A

heat

25
Q

Hounsfield units measure:

density.
contrast.
attenuation.
resolution.

A

Attenuation

26
Q

5-flurouracil (5-FU) is what type of chemotherapy?

An alkylating agent.
A nitrosoureas.
An antimetabolite.
An antitumor antibiotic.

A

An antimetabolite.

27
Q

Areas where the dose equivalent exposure is 0.1 rem/week are classified as:

controlled areas.
low radiation areas.
high radiation areas.
uncontrolled areas.

A

controlled area

28
Q

Mycosis fungoides is the most common form of

Cutaneous T-cell lymphoma.
adult leukemia.
cutaneous myeloma.
Kaposi’s sarcoma.

A

Cutaneous T-cell lymphoma.

29
Q

Once women declare pregnancy, the NCRP limits radiation exposure to the embryo or fetus to:

0.5 cGy.
0.5 rem.
0.5 mSv.
50 mSv.

A

0.5 rem

30
Q

The intensity of a photon beam decreases rapidly with increasing distance because of:

attenuation.
the inhomogeneity factor.
photon annihilation.
the inverse square law.

A

the inverse square law.

31
Q

Informed consent should be signed prior to the patient receiving:

simulation.
treatment.
any procedure.
a physician consultation.

A

any procedure

32
Q

A patient presenting with unilateral hearing loss and an enlarged cervical lymph node should be evaluated for suspected lesion relating to which primary diagnosis:

acoustic neuroma
nasopharyngeal
sphenoid sinus
pituitary

A

nasopharyngeal

33
Q

What is the Tolerance Dose for 5% risk at 5 years (TD 5/5) for the kidney?

20 Gy
23 Gy
30 Gy
33 Gy

A

23 Gy

34
Q

As the field size increases, the percentage depth dose curve (PDD):

increases.
decreases.
stays the same.
none of the above.

A

increases

35
Q

Which of the following is not part of the oral cavity?

floor of the mouth
retromolar trigone
base of the tongue
lower gingiva

A

base of tongue

36
Q

What is the most common dose-limiting toxicity for chemotherapeutic drugs?

nerve toxicity
gastrointestinal toxicity
myelosuppression
cardiac toxicity

A

myelosuppression

37
Q

_________ is an external landmark often used when setting up whole brain treatments.

The external acoustic meatus
The nose
The eye orbit
The base of the skull

A

The external acoustic meatus

38
Q

The IMRT x-ray output consistency should be checked on a(n) __________ basis.

daily
weekly
monthly
annual

A

Monthly

39
Q

The plane which divides the body into anterior and posterior portions is:

the midsagittal plane.
the transverse plane.
the coronal plane.
the horizontal plane.

A

the coronal plane.

40
Q

A radiation therapist who is 37 years old should not have a lifetime effective dose exceeding:

370 rem.
185 rem.
370 mSv.
185 mSv.

A

370 mSv

41
Q

What is the Tolerance Dose for 5% risk at 5 years (TD 5/5) for one third of the brain?

45 Gy
55 Gy
60 Gy
65 Gy

A

60 Gy

42
Q

After total body exposure to radiation, the time when the patient has no symptoms is referred to as the:

prodromal phase.
manifest illness phase.
latent phase.
fallout phase.

A

latent phase.

43
Q

A keloid is:

scar overgrowth.
a benign tumor of the eye.
a tumor on the skin.
none of the above.

A

scar growth

44
Q

_________ are drugs used to reduce cerebral edema.

Corticosteroids
Analgesics
Vasodilators
Antiemetics

A

Corticosteroids

45
Q

A patient presents with a diastolic blood pressure below normal. The reading for this patient would be:

140/80
120/60
140/60
120/50

A

120/50

Normal diastolic blood pressure
120/80

46
Q

Which of the following cell types is the most radiosensitive?

nerve cells
parenchymal cells
endothelial cells
basal cells

A

basal cells

47
Q

Shock caused by sepsis, deep anesthesia, or administration of contrast media is:

hypovolemic shock.
cardiogenic shock.
neurogenic shock.
vasogenic shock

A

vasogenic shock

The three subtypes are septic, anaphylactic/anaphylactoid, and neurogenic shock

48
Q

Patients will begin to experience epilation after an initial dose of:

1000 cGy.
2000 cGy.
3000 cGy.
4000 cGy.

A

2000 cGy.

49
Q

The radiation protection Quality Factor for x-rays is:

1
5
10
15

A

1

50
Q

Tongue immobilization can be accomplished with:

timo.
cork.
an s-frame mask.
a u-frame mask.

A

cork

51
Q

The Internal Treatment Volume (ITV) includes which of the following?

Planning Target Volume (PTV) and Clinical Target Volume (CTV).
Clinical Target Volume (CTV) and Gross Tumor Volume (GTV).
Planning Target Volume (PTV) and Gross Tumor Volume (GTV).
Planning Target Volume (PTV), Clinical Target Volume (CTV), and Gross Tumor Volume (GTV).

A

Clinical Target Volume (CTV) and Gross Tumor Volume (GTV).

52
Q

Clinically significant weight loss is defined as a patient losing _____ or more of their body weight.

5%
10%
15%
20%

A

10%

53
Q

The treatment area that includes the gross palpable tumor and surrounding volume of tissue containing subclinical disease is called:

the gross tumor volume (GTV).
the clinical target volume (CTV).
the planning target volume (PTV).
the internal target volume (ITV).

A

the clinical target volume (CTV).

Last Semester Board Prep (21 decks)

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