Chapter 35 Deterministic Effects of Radiation-Bushong Test Bank

Chapter 35 Deterministic Effects of Radiation Bushong: Radiologic Science for
Technologists




MULTIPLE CHOICE


1. The minimum dose lethal to humans is Gy to the whole body. a. 0.5
b. 1
c. 2
d. 4




ANS: C
The minimum dose lethal to humans is 2 Gy to the whole body.


2. Some radiation victims of syndrome(s) may recover completely.
a. central nervous system
b. gastrointestinal
c. hematologic
d. reproductive




ANS: C
Some radiation victims of hematologic syndrome may recover completely.


3. The central nervous system syndrome occurs following a whole-body dose of Gy or more.
a. 50
b. 20
c. 10
d. 5

, ANS: A
The central nervous system syndrome occurs following a whole-body dose of 50 Gy or
more.


4. Immediately following a whole-body dose of 10 Gy the victim would experience (a)
.
a. sudden death
b. latent period
c. prodromal symptoms
d. hair loss




ANS: C
Immediately following a whole-body dose of 10 Gy the victim would experience
prodromal symptoms.
5. A dose of Gy or more to a small area of the body can cause skin erythema.
a. 0.25
b. 0.5
c. 1
d. 2




ANS: D
A dose of 2 Gy or more to a small area of the body can cause skin erythema.


6. There is usually a before the symptoms of acute radiation syndromes
appear.

, a. latent period
b. recovery period
c. prolonged illness
d. loss of hair




ANS: A
There is usually a latent period before the symptoms of acute radiation syndromes appear.


7. The destruction of cells in the intestinal lining causes death from GI
syndrome. a. muscle
b. stem
c. mature
d. blood




ANS: B
The destruction of stem cells in the intestinal lining causes death from GI syndrome.


8. A person subjected to 50 Gy to the whole body may survive for _ before death
occurs.
a. 3 hours
b. 24 hours
c. 3 days
d. 2 weeks




ANS: C