IRRSP Exam and Practice Exam Q&A 2026/2027

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IRRSP EXAM AND PRACTICE EXAM QUESTION BANK
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2026/2027 ACTUAL EXAM QUESTIONS AND CORRE
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CT DETAILED ANSWERS (VERIFIED k k k



ANSWERS) ALL ANSWERED {370 Q & A} ALREADY GRA k k k k k k k k



DED A+ / IRRSP PRACTICE EXAM | BRAND NEW!
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A dosimeter must be capable of reading a range of: (Answe
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r with A, B, C, or D)
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a. 0-100 mR k




b. 0-200 mR k




c. 0-500 mR k




d. 0-1 R - ANSWERB k k k




The atomic weight of an atom is the combination of total number
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of protons and neutrons held in the nucleus. This is also known
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as the: k




a. Proton number k




b. Neutron number k




c. Z number k




d. A number - ANSWERA number
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Most of the energy used in producing X-rays converts to:
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a. Photon fields k




b. Heat
c. X ray production
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d. Phenomenon known as leakage fields - ANSWERHeat k k k k k k




The shorter the wavelength or higher the frequency, the greater t
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he penetration, as such: (Answer with A, B, C, or D)
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a. Primary beams have greater penetrability than secondary
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beams
b. Secondary beams have greater penetrability than primary
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beams
c. Scatter beams have greater penetrability than secondary or
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primary beams k




d. All beams have the same wavelength and are essentially the
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same - ANSWERA k k




Gamma rays are affected by magnetic fields
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a. True
b. False - ANSWERFalse k k




As a radioisotope decays, the elements return to a stable state b
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y undergoing several steps; once complete the material continu
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es to produce radiation.
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a. True
b. False - ANSWERFalse k k




After 148 days, Ir-
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k192 would have undergone how many half lives? (Ir-
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192 has a half live of 74 days)
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a. 4
b. 3
c. 2
d. 1 - ANSWER2
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Activation is the process of bombarding material with:
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a. Excess electrons k




b. Excess protons k




c. Excess neutrons k




d. The combination of electrons and protons - ✔✔✔ Correct Answer >
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Excess neutrons k




The total number of __________ identifies an element.
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a. Protons
b. Neutrons
c. Electrons

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d. Combination of protons and neutrons - ✔✔✔ Correct Answer >
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Protons


Gamma radiation has a shorter wavelength than visible light, theref
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ore making it:
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a. Less penetrating
k




b. More penetrating
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c. Brighter
d. Less stable - ANSWERMore penetrating
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Over-exposures to personnel can result in:k k k k k




a. Cancer
b. Genetic defects carried into further generations
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c. Death
d. All of the above - ANSWERAll of the above
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All radiation exposures are equally serious and can result in dea
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th
a. True
b. False - ANSWERFalse
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