Radiation Therapy Mock Exam 2 UPDATED QUESTIONS AND CORRECT ANSWERS

Radiation Therapy Mock Exam 2 UPDATED
QUESTIONS AND CORRECT ANSWERS
The dose given to the whole brain for ALL patients is:


A. 3000 cGy

B. 1200 cGy

C. 500 cGy

D. 4500 cGy - CORRECT ANSWER B. 1200 cGy



The staging system for leukemia is:


A. AJCC

B. Duke's

C. Ann Arbor

D. French-American-British - CORRECT ANSWER D. French-American-British



Congenital anomalies associated with Wilm's tumors are:



1. Anirdia

2. Beckwith-Weidemann syndrome

3. Leukocoria

4. GU malformations



A. 1 & 2
B. 1 & 3

C. 2 & 4

D. 1, 2, & 4 - CORRECT ANSWER D. 1, 2, & 4

,_____ is the absence of the iris, usually involving both eyes. It can be congenital or caused by
a

penetrant injury.



A. Anirdia

B. Beckwith-Weidemann syndrome

C. Leukocoria

4. Retinopathy - CORRECT ANSWER A. Anirdia



______ is an overgrowth disorder usually present at birth, characterized by an increased risk
of childhood cancer and certain congenital features. Common symptoms are macroglossia
(large tongue) and

macrosomia (above average birth weight and length).



A. Acromegaly

B. Gigantism

C. Anirdia

D. Beckwith-Weidemann syndrome

E. None of the above - CORRECT ANSWER D. Beckwith-Weidemann syndrome



A chemotherapeutic alkylating agent:



A. Changes the body's hormonal status

B. Inhibits substances which are necessary for the replication of DNA
C. Interferes directly with the process of DNA synthesis

D. Is used in cases of acute leukemia - CORRECT ANSWER B. Inhibits substances
which are necessary for the replication of DNA



Permanent alopecia will result when a patient is treated to a total dose of greater than:

,A. 1500 cGy

B. 2275 cGy

C. 3000 cGy

D. 4500 cGy - CORRECT ANSWER D. 4500 cGy



Necrosis of bone and soft tissue due to irradiation may result from a dose of:



A. 3000 cGy

B. 4000 cGy

C. 5000 cGy

D. 6000 cGy - CORRECT ANSWER D. 6000 cGy



The TD 5/5 for 20 cm of spinal cord with and endpoint of myelopathy is:



A. 4000 cGy

B. 4500 cGy

C. 4700 cGy

D. 6000 cGy - CORRECT ANSWER C. 4700 cGy



What is the maximum fractionated dose of radiation delivered to both kidneys in four weeks
that will not induce high blood pressure and renal failure?



A. 2000 cGy

B. 3000 cGy

C. 4000 cGy

D. 5000 cGy - CORRECT ANSWER A. 2000 cGy



A single fraction dose of ____ cGy to the lens of the eye can result in a cataract within a year.

, A. 1000 cGy

B. 2000 cGy

C. 2500 cGy

D. 3000 cGy - CORRECT ANSWER A. 1000 cGy



Point A is defined as:



A. A point 2 cm cephalic and 2 cm lateral to the cervical os

B. A point 2 cm cephalic and 5 cm lateral to the cervical os

C. A point 3 cm cephalic and 3 cm lateral to the cervical os

D. A point 3 cm cephalic and 5 cm lateral to the cervical os - CORRECT ANSWER A.
A point 2 cm cephalic and 2 cm lateral to the cervical os


In the U.S., which organization works along with the individual states to establish regulations
that are incorporated into federal and state laws?



A. International Commission on Radiologic Protection (ICRP)

B. National Council on Radiation Protection and Measurements (NCRP)

C. United States Nuclear Regulatory Commission (USNRC)

D. Committee on Biologic Effects of Ionizing Radiation (BEIR) - CORRECT
ANSWER C. United States Nuclear Regulatory Commission (USNRC)



MSDS:


1. Contain information regarding the hazards associated with chemicals

2. Contains information for safe use

3. Need to be accessible only to administrators



A. 1 & 2
B. 2 & 3