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AMMO 66 Radiation Safety Certification – Brand New Version with Detailed Answers

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"Ace your Radiation Safety (AMMO 66) exam with this Brand New Version of the study guide, featuring complete questions and correct detailed answers. This comprehensive resource is designed to cover all facets of the Army Radiation Safety Program and technical radiation physics. This guide provides in-depth coverage of: • Radiation Physics & Types: Detailed explanations of ionizing vs. non-ionizing radiation, wave-particle duality, and the properties of Alpha particles, Beta particles, Gamma rays, and X-rays. • Safety Principles: Full mastery of the ALARA (As Low As Reasonably Achievable) concept and the three primary methods for limiting external exposure: Time, Distance, and Shielding. • Units of Measure: Clear definitions and conversions for millisieverts (mSv), Gray (Gy), Sievert (Sv), Rad, Rem, and Roentgen. • Biological Effects: Comprehensive review of somatic, embryological, and genetic effects, as well as acute vs. chronic exposure symptoms like nausea, hair loss (epilation), and stochastic vs. non-stochastic risks. • Regulations & Compliance: Guidance on NRC (Nuclear Regulatory Commission) standards, CFR Title 10 (Energy), AR 385-10, and DA PAM 385-24. • Monitoring & Equipment: How to use and read RADIAC devices (Geiger counters, Ion chambers) and personnel dosimeters like OSLDs, TLDs, and pocket ionization chambers. • Emergency & Logistics: Protocols for decontamination, double-bagging radioactive waste, and identifying radioactive items in the Army inventory using TB 43-0116. Perfect for military personnel and contractors seeking a structured, evidence-based resource to master the AMMO 66 curriculum."

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Radiation Safety (AMMO 66) Exam Preparation
Newest With Complete Questions And Correct
Detailed Answers| Brand New Version.




Which of the following is a form of radiation that is capable of creating
electrically charged particles by removing orbital electrons from the
atom of normal matter through which it passes?
a. Ionizing radiation
b. Nonionizing radiation
c. Subatomic radiation
d. Ultrasonic radiation - ANSWER-a. Ionizing Radiation

The millisievert (mSv) is equal to
a. 1/10 of a sievert.
b. 1/100 of a sievert.
c. 1/1000 of a sievert.
d. 1/10,000 of a sievert. - ANSWER-C. 1/1000 of a sievert

Which of the following provides the basis for determining whether an
imaging procedure or practice is justified?
a. ALARA concept
b. BERT method
c. Diagnostic efficacy
d. NEXT program - ANSWER-C. Diagnostic Efficacy

Which of the following radiation quantities is intended to be the best
overall measure of the biologic effects of ionizing radiation?
a. Exposure
b. Effective dose
c. Absorbed dose

,2|Page


d. There is no radiation quantity that is intended to be the best overall
measure of the biologic effects of ionizing radiation. - ANSWER-B.
Effective Dose

Which of the following statements below is true?
a. It appears that no safe dose level exists for radiation-induced
malignant disease.
b. The ALARA principle establishes a dose level for radiation-induced
malignancy.
c. The BERT method establishes a dose level for radiation-induced
malignancy.
d. The NEXT program and reference values establish a dose level for
radiation-induced malignancy. - ANSWER-A. It appears that no safe
dose level exists for radiation-induced malignant disease.

Electromagnetic radiation travels or propagates through space in the
form of a wave but can interact with matter as a particle of energy called
a photon. This dual nature is referred to as
a. wave attenuation capability.
b. wave-particle interchange ability.
c. wave-particle duality.
d. wave-particle phenomena. - ANSWER-C

Which of the following statements concerning the 1979 nuclear reactor
accident at TMI-2 is not true?
a. Many excess cancer deaths have been predicted to occur in the 2
million people living within 50 miles of the plant at the time of the
accident.
b. During the time of the accident, if persons living within a 100-mile
radius of the nuclear power plant received an average radiation exposure
of 15 microgray, and this dose is used as the population dose, then no
more than two additional resulting cancer deaths can be predicted in the
exposed inhabitants as a consequence of radiation exposure.
c. The average dose received by the exposed population living within a
50-mile radius of the TMI nuclear power station at the time of the

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accident was determined to be 0.08 mSv, which is well below the
average annual background level.
d. No melt-through of the reactor vessel resulted during the accident. -
ANSWER-A

Terrestrial radiation includes which of the following sources?
a. Long-lived radioactive elements such as uranium-238, radium-226,
and
thorium-232 that are present in variable quantities in the crust of the
earth
b. Radioactive fallout from nuclear weapons tests in which detonation
occurred
above ground
c. The sun and beyond the solar system
d. Airport surveillance systems and electron microscopes - ANSWER-A

When exposed to high radon levels in the home, which of the following
groups of people have the highest risk of developing lung
cancer?
a. Teenagers
b. Adults from 20 to 30 years of age
c. Nonsmokers
d. Smokers - ANSWER-D

In the electromagnetic spectrum, higher frequencies are associated with
a. longer wavelengths and lower energies.
b. longer wavelengths and higher energies.
c. shorter wavelengths and lower energies.
d. shorter wavelengths and higher energies. - ANSWER-D

Which of the following radiation quantities use the same unit of
measure?
1. Effective dose and equivalent dose
2. Exposure and effective dose
3. Absorbed dose and equivalent dose - ANSWER-1 ONLY

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The first decay product of radium is
a. cesium.
b. radon.
c. strontium.
d. x-ray. - ANSWER-B

The mass of an alpha particle is approximately
a. two times the mass of a hydrogen atom and a negative charge of
minus 2.
b. four times the mass of a hydrogen atom and a positive charge twice
that of an
electron.
c. six times the mass of a hydrogen atom and a negative charge of minus
1.
d. eight times the mass of a hydrogen atom and a positive charge four
times that of
an electron. - ANSWER-B

Which of the following sources of radiation is manmade?
1. Atmospheric fallout from nuclear weapons testing
2. Cosmic radiation from the sun and beyond the solar system
3. Nuclear power plant accidents as a consequence of natural disasters
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3 - ANSWER-B

Particles associated with electromagnetic radiation that have neither
mass nor electric charge are
a. ions.
b. negatrons.
c. positrons.
d. x-ray photons. - ANSWER-D

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