NMTCB Board Exam Review With 100% Correct Answers 2024, Exams of Advanced Education

Download NMTCB Board Exam Review With 100% Correct Answers 2024 and more Exams Advanced Education in PDF only on Docsity!

NMTCB Board Exam Review With 100%

Correct Answers 2024

What are the 3 phases of Xe-133 ventilation? - Correct Answer-1. Single Breath

2. Equilibrium
3. Washout How much blood flow is supplied to lungs from bronchial circulation? A. 10% B. 5% C. 20% D. 50% - Correct Answer-B. 5% What is the min. number of particles to be injected in adults? A. 50, B. 60, C. 200, D. 800,000 - Correct Answer-B. 200,000-700,000 range

What is the particle size of an MAA particle? A. 0.1 - 0.3 um B. 1 - 3 um C. 0.5 - 0.10 um D. 5 - 100 um - Correct Answer-D. 5 - 100 um Biological Half-life of MAA in the lungs? A. 2 -4 hrs B. 4 - 5 hrs C. 6 hrs D. 24 hrs - Correct Answer-A. 2 - 4 hrs What radiopharmaceutical is used for aerosol? A. 99mTc MAA B. DTPA C. 133- Xe gas D. B and C - Correct Answer-B. DTPA (99m Tc- diethylenetriamine pentaacetic acid) How much aerosol is administered?

A. 5 mCi B. 15 mCi C. 25mCi D 40mCi - Correct Answer-C. 25 mCi (range: 25-35mCi) What view is used when performing lung scans? A. Posterior B. Anterior C Anterior & Posterior D. RAO - Correct Answer-A. Posterior What is a fissure sign in a lung scan? - Correct Answer-linear defects in regions caused by fluid in the fissure of patient with CHF What is a stripe sign in a lung scan? - Correct Answer-~ indication of a low probability of pulmonary embolus ~ associated with atelectasis (Collapsing of the lung)

Beta Minus Decay - Correct Answer-Nucleus is neutron rich and adds 1 to the atomic number to gain more protons (neutron converted to a proton) Alpha Decay - Correct Answer-structurally identical to a helium atom ~ occurs in heavy atomic nuclei (atomic mass > 150) ~ consist of 2 protons and 2 neutrons ~ subtract 4 from mass number and 2 from the atomic number What type of particle is big, heavy and slow? Can be stopped by a sheet of paper. The range is limited. Destructive to internal cells and organs. - Correct Answer-Alpha Wha type of particle is small, light, and fast? Can be stopped by dense plastic but destructive to dense tissue. Moderate travel range. - Correct Answer-Beta Positron Decay - Correct Answer-Having excess protons (proton is converted into a neutron) ~ So you subtract 1 from the atomic number

Electron Capture - Correct Answer-~ Alternative to Positron decay ~ Frequent in heavier elements ~ So you subtract 1 from the atomic number Internal Conversion - Correct Answer-A way for an electron to reach from an excited state to a metastable state. Hine-Duley Phantom - Correct Answer-This phantom contains lead bars and spaces of 3 different widths and requires multiple images to assess resolution over entire detector Thick crystal results in better - Correct Answer-sensitivity What are the two types of radioactive emissions? - Correct Answer-Particulate (particles) and Electromagnetic (photons) Beta particles originate in the nucleus. (T/F) - Correct Answer- True Examples of Particulates (Particles) - Correct Answer-~ Alpha ~ Beta

~ Positron ~ Internal Conversion Electrons ~ Auger Electrons Examples of Electromagnetic Photons - Correct Answer-~ Gamma Rays ~ Electron Capture ~ Isomeric Transition ~ Characteristic x-rays Where do gamma rays originate? - Correct Answer-In the nucleus Where do x-rays originate? - Correct Answer-In the electron cloud Alumina Breakthrough - Correct Answer-Presence of Al 3+ in eluate that is cloudy in appearance Colorimetric Spot Test - Correct Answer--A small drop of pertechnetate eluate is placed on a strip of filter paper

containing aluminon (the ammonium salt of aurintricarboxylic acid) ~ Aluminum ion produces a pink color Which test measures radiochemical purity? A. Chromatography B. Moly Breakthrough C. Colorimetric Test - Correct Answer-A. Chromatography Caution: radiation area - Correct Answer-signs used in areas that an individual could receive more than 0.05 mSv ( mrem)/hr at 30 cm Caution: high radiation area - Correct Answer-signs used in areas that an individual could receive more than 1 mSv ( mrem)/hr at 30 cm Grave danger: very high radiation area - Correct Answer-signs used in areas that an individual could receive more than 500 rad (5Gy)/hr at 30 cm

TEDE - Correct Answer-Total Effective Dose Equivalent 5 rem (0.05 Sv) SDE - Correct Answer-Shallow Dose Equivalent 50 rem (0.50 Sv) LDE - Correct Answer-Lens Dose Equivalent 15 rem (0.15 Sv) Minor and Fetus Exposure limits - Correct Answer-500 mRem Constancy - Correct Answer-Daily before use Linearity of activity - Correct Answer-Quarterly Accuracy - Correct Answer-Annually Geometric Dependence - Correct Answer-At installation Cyclotron Radionuclides - Correct Answer-67-Ga

123-I

201-Tl 18-F 11-C 13-N 15-O Impurities will result in... - Correct Answer-an increased radiation dose to the patient w/o adding diagnostic information What is a recordable incident? - Correct Answer-~ Error that has occurred ~ Wrong patient, wrong dose ( > ± 20%) , wrong route ~ Stays within facility What is a medical event? - Correct Answer-~ Error and excess exposure ~ Patient receives exposure >5rem for TEDE OR organ/tissue of >50rem

When must written reports be written by for a medical event? A. Within 24 Hrs B. Within 5 Days C. Within 15 days D. Within 30 days - Correct Answer-C. Within 15 days How long should records be kept for a medical event? A. 3 years B. 5 years C. 10 years D. Indefinitely - Correct Answer-B. 5 years How long must you store unused or waste for? A. 3 half lives B. 5 half lives C. 10 half lives D. 20 half lives - Correct Answer-C. 10 half lives When can a therapeutic patient be released? - Correct Answer-That no individual that comes in contact with the treated patient will receive more than 0.5 rem (5 mSv)

If any individual is likely to receive more than .1 rem from the released patient the patient must... - Correct Answer-be provided with written instructions on how to minimize exposure to others What is the action level for restricted areas when surveying? - Correct Answer-5 mRem/hr (.05mSv/hr) What is the action level for unrestricted areas when surveying? - Correct Answer-0.2 mRem/hr (2uSv/hr) Major Spills - Correct Answer-i. > 1 mCi of I-131, Sr- ii. > 10 mCi of Ga-67, In-111, I- iii. > 100 mCi of Tc-99m, Tl-