NUCLEAR MEDICINE EXAM BUNDLE (RATED A+)

Before tracer administration, all of the following preparations are required for a 27- year- old woman referred for total-body bone imaging except -ANSWER removing attenuating materials from the patient Which of the following structures normally appear as areas of increase activity on the bone im...

PET Imaging -ANSWER Newest available in nuclear medicine. May be combined with CT to capture both anatomic detail and functional information. Used for: research (PD, Alzheimer's), imaging (tumor, brain, heart) Bone Scan -ANSWER Radiopharmaceuticals are injected and accumulate in areas of bone re...

The physical half-life of a radionuclide is the time it takes A. For half of the substances to leave the body B. For the kit to become half expired C. For half of the substance to be metabolised D. For the nuclide to decay to one half of the original activity - ANSWERD. For the nuclide to decay ...

Thallium 201 method of decay and energy - ANSWERThallium 201 decays by electron capture with gamma emissions 135 and 167 kiloelectron volts but the majority of imaging is achieved with it's daughter mercury 201 xrays of about 80kev Stannous chloride - ANSWERA reducing agent which changes the val...

Basic Gamma Camera Components -ANSWER Collimator, NaI scintillation crystal, light guide, PMT array How does the collimator work? -ANSWER Controls which gamma rays are accepted by absorptive collimation, forming a projected image of the distribution on the surface of the crystal. What informat...

The following WB bone image represents: a) an anterior/posterior WB bone scan b) a patient with epiphyseal growth plate activity c) a positive image display capability d) all of the above -ANSWER d all of the above The inclusion of SPECT/CT imaging during a bone scan: a) Allows for shorter i...

The Linac generates which kinds of beams in the Therac-25 -ANSWER Beta-Rays and X-rays Radiation of a cancer patient cures cancer cells by what means? -ANSWER Creating free ions which damage their DNA X-rays are an example of what type of radiation? -ANSWER Electromagnetic Alpha-rays are an...

3.7 x 10^10 Bq = - ANSWER1 Ci 1 rad = - ANSWER0.01 Gy 1 Gy = - ANSWER100 rad 1 rem = - ANSWER0.01 Sv 1 Sv = - ANSWER100 rem 1 mCi = - ANSWER37 mBq Another name for mertiatiade is... - ANSWERMAG3 Another name for mercaptoacetyl triglycine is... - ANSWERMAG3 What type kidney im...

what are survey meters used to measure? - ANSWERradiation exposure rates what type of survey meter is used for surveys to detect contamination? - ANSWERGeiger-Muller (GM) counter The NRC requires that a nuc med facility have a survey meter capable of detecting exposure rates between what range...

The scintillation crystal in an Anger camera is -ANSWER sodium iodide For nuclear medicine personnel, the greatest source of occupational exposure to radiation comes from the -ANSWER injected patien The radionuclide emission used for most all nuclear diagnostic studies is -ANSWER gamma photons...

What is nuclear medicine? - ANSWERBranch of radiology that uses radioactive materials for diagnosis, therapy & medical research. Provides doctors w/ information on both structure & function. Isotope - ANSWERElement w/ same # of protons, but different # of neutrons. How are radioactive materi...

how are PET images produced? - ANSWERrecognizing events created by annihilation reaction of proton rich radionuclides what dose positron decay result in ? - ANSWERproton being converted into a neutron a positron a neutrino and energy what happens when a positron is emitted from the nucleus? - ...

Diagnostic imaging - ANSWERRadiology, nuclear med, photography, mico imaging, and other types Radiography - ANSWERMost common subspecialty. It uses x-rays to produce a diagnostic imaging. X-rays - ANSWERAre a form of invisible radiation. Produced when a positively charged metal plate inside a ...

Accumulation of radionuclides in the bone is related to both the rate of production and _______ -ANSWER Vascularity Visualization of the Kidneys on a 99mTc-MDP scan is considered: -ANSWER normal, because 99mTc-MDP is excreted via the urinary tract A bone scan image of a female patient shows ra...

what is the role of the kidneys? -ANSWER regulate the volume and composition of the body's extracellular fluid through their excretory function where are the kidneys located? -ANSWER retroperitoneal organs located between the 12th thoracic and 4th lumbar vertebrae right kidney is slightly hi...

In the gastric emptying the stomach should be ____ empty at 60-90 minutes. -ANSWER 1/2 Which of the following patients is the gastric emptying test performed for because they can't push food through. Older people Diabetics Pediatrics Middle age -ANSWER diabetics Symptoms of ________are...

what three components make up a gas filled detector? - ANSWERchamber (AKA capacitor), external power source, meter dose calibrator and ionizing survey meter operate in what area of the voltage response curve? - ANSWERionization region (AKA saturation region) what instruments operate in pulse m...

RP for chronic inflammatory lesions -ANSWER In 111-leukocytes Bone loses ___ % of its calcium before a lesion is detectable on a plain radiograph -ANSWER 30-50% Dose range for inflammation imaging with In-111 labeled leukocytes -ANSWER 0.5-1.0 mCi Respiratory muscles (2) -ANSWER 1. Intercos...

what is the largest solid organ in the body? -ANSWER liver where is the liver located? -ANSWER right side underneath the ribs and directly below the diaphragm which lobe is bigger, right or left? -ANSWER right lobe what are the type types of cells in the liver? -ANSWER retuculoendothenial (...

Binding energy -ANSWER min amount of energy required to "free" and electron from an atom. Unstable vs stable -ANSWER stable-non radioactive unstable- radioactive Ionization -ANSWER removal of an ELECTRON from an atom Excitation -ANSWER electron absorbs enough energy to make it move to an...

HMPAO and ECD -ANSWER Which two agents can be extracted and thus used for parenchymal imaging DPTA -ANSWER Which agent can not be extracted and thus cannot be used for parenchymal imaging Hexamethylpropyleneamine oxime -ANSWER What does HMPAO stand for? Ethyl cysteinate dimer -ANSWER What d...

-detection of bone metastases -differentiation of osteomyelitis from cellulitis -evaluation of primary benign and malignant bone lesions -evaluation of musculoskeletal trauma (abuse vs. trauma) -assess general bone viability -evaluate response of metabolic bone diseases to treatment - ANSWERIde...