chapter 8 & 9 homework assignment Flashcards

1
Q

For persons with hematopoietic syndrome, survival time shortens as the radiation dose:

a.) decreases
b.) increases
c.) remains the same
d.) there is no survival time for persons with the hematopoietic syndrome

A

b.) increases

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2
Q

Which of the following is not a form of acute radiation syndrome?

a.) carcinogenic syndrome
b.) hematopoietic syndrome
c.) gastrointestinal syndrome
d.) cerebrovascular syndrome

A

a.) carcinogenic syndrome

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3
Q

The term LD 50/30 signifies the whole body dose of radiation that can be lethal to:

a.) 50% of the exposed population in 30 days
b.) 30% of the exposed population in 50 days
c.) 50% of the exposed population in 50 days
d.) 30% of the exposed population in 30 days

A

a.) 50% of the exposed population in 30 days

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4
Q

Some local tissues sustain immediate consequences from high radiation doses. Examples of such tissues include:
1.) bone marrow
2.) male and female reproductive systems
3.) skin

a.) 1 and 2 only
b.) 1 and 3 only
c.) 2 and 3 only
d.) 1, 2 and 3

A

d.) 1, 2 and 3

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5
Q

Atrophy refers to:

a.) aging of the skin from radiation exposure
b.) shrinkage of organs and tissues after a high radiation dose is recieved
c.) necrosis of the hyperdermis from radiation exposure
d.) wrinkling of the skin from radiation exposure

A

b.) shrinkage of organs and tissues after a high radiation dose is received

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6
Q

In females the oogonia, the ovarium stem cells:

a.) divide and reduce in number only during fetal development
b.) multiply to millions of cells only during fetal development
c.) are not present during fetal life
d.) are present only in very small numbers during fetal life

A

b.) multiply to millions of cells only during fetal development

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7
Q

Which of the following are classified as early deterministic somatic effects of ionizing radiation?

a.) erythema, cataract formation, and cancer
b.) nausea, epilation, and intestinal disorders
c.) male and female sterility, embryologic defects, and cancer
d.) blood disorders, fever and genetic effects

A

b.) nausea, epilation and intestinal disorders

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8
Q

The prodromal stage of acute radiation syndrome is also referred to as the:

a.) initial stage
b.) latent period
c.) manifest illness period
d.) recovery period

A

a.) initial stage

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9
Q

The hematopoietic form of acute radiation syndrome is also called the:

a.) auger syndrome
b.) bone marrow syndrome
c.) cerebrovascular syndrome
d.) mutational syndrome

A

b.) bone marrow syndrome

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10
Q

A term that is synonymous with epilation is:

a.) alopecia
b.) atrophy
c.) desquamation
d.) radiodermatitis

A

a.) alopecia

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11
Q

A single absorbed dose of 2 Gy can cause a radiation induced skin erythema within:

a.) 1 hour after irradiation
b.) 6 hours after irradiation
c.) 12 hours after irradiation
d.) 24 to 48 hours after irradiation

A

d.) 24 to 48 hours after irradiation

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12
Q

During the major response stages of acute radiation syndrome after the initial stage, the period when symptoms that affect the hematopoietic, gastrointestinal and cerebrovascular systems become visible is called:

a.) the latent period
b.) manifest illness
c.) the prodromal syndrome
d.) recovery

A

b.) manifest illness

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13
Q

Radiation dose response curves can be used to predict the risk of ___________ in human populations that have been exposed to low levels lof ionizing radiation.

a.) cataract formation
b.) genetic effects
c.) malignancy
d.) spontaneous abortions

A

c.) malignancy

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14
Q

_________ is a late effect of radiation exposure

a.) erythema
b.) epilation
c.) cancer
d.) nausea

A

c.) cancer

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15
Q

Radiation sickness known as ____________, is a serious illness that occurs when the entire body receives a high dose of radiation, usually over a short period of time.

a.) mortality rate
b.) relative biologic effectiveness (RBE)
c.) acute radiation syndrome
d.) linear energy transfer (LET)

A

c.) acute radiation syndrome

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16
Q

The peeling off of skin caused by irradiation is termed

a.) desquamation
b.) erythema
c.) epilation
d.) epidermis

A

a.) desquamation

17
Q

The most radiosensitive period during pregnancy for radiation induced congenital abnormalities is during the:

a.) first 2 weeks
b.) first trimester
c.) second trimester
d.) third trimester

A

b.) first trimester

18
Q

In the __________ stage, the person appears to be symptom free.

a.) prodromal
b.) latent
c.) manifest
d.) recovery or death

A

b.) latent

19
Q

Redness and swelling at the site of radiation exposure is termed:

a.) atrophy
b.) epilation
c.) desquamation
d.) inflammation

A

d.) inflammation

20
Q

Radiation induced leukemia is judged to be

a.) linear, nonthreshold
b.) linear, threshold
c.) nonlinear, nonthreshold
d.) nonlinear, threshold

A

a.) linear, nonthreshold

21
Q

Which of the following terms means “random in nature”?

a.) deterministic
b.) epidemiologic
c.) nonstochastic
d.) stochastic

A

d.) stochastic

22
Q

When does the greatest radiation hazard to a fetus exist?

a.) first trimester
b.) second trimester
c.) third trimester
d.) cannot be determined

A

a.) first trimester

23
Q

A radiation dose of 0.05 Gy to 0.15 Gy (5 to 15 rads) delivered to a human embryo during the preimplantation stage of development results in which of the following?

a.) congentital abnormalities
b.) delayed bone growth
c.) embryonic death
d.) microcephaly

A

c.) embryonic death

24
Q

Radiation dose response cruves can be used to predict the risk of __________ in human populations that have been exposed to low levels of ionizing radiation.

a.) cataract formation
b.) genetic effects
c.) malignancy
d.) spontanteous abortions

A

c.) malignancy

25
Q

Ovaries are most radiosensitive during ________

a.) fetal growth
b.) early childhood
c.) early adulthood
d.) both A and B

A

d.) both A and B

26
Q

Which of the following are classified as early (acute) deterministic somatic effects of ionizing radiation?

a.) erythema, cataract formation, cancer
b.) nausea, epilation, intestinal disorders
c.) male and female sterility, embryologic defects, cancer
d.) blood disorders, fever, genetic effects

A

b.) nausea, epilation, intestinal disorders