The exposure rate of an activity of 1 millicurie (mCi) measured at 1 centimeter (cm) is called:

Quantitative bias that refers to the underestimation of counts density which ­differs from what they should be is called:

Truncation artifacts in PET/CT imaging are produced by:

Dental fillings, hip prosthetics, or chemotherapy port are examples of PET/CT imaging artifacts described as:

Property of PET detectors that allows them faster timing signals for coincidence detection and to work at high count rates is called:

The picturing, description, and measurement of biological processes at the particle and cellular level is known as:

A PET system capacity to distinguish between two points after image reconstruction is called:

Allergic reaction that begins within seconds/minutes of contrast media administration and rapidly progresses to cause airway constriction, skin and intestinal irritation, and altered heart rhythms is called:

The first PET radiopharmaceutical to receive the U.S. Food and Drug Administration approval in 1989 was:

Choose from the following responses to interpret this ECG:

The dose calibrator quality control procedure performed to assess the device’s ability to measure accurately a range of a low to high activities is called:

The following positron-emitting radionuclides are isotopes of natural elements present in most biochemical processes EXCEPT:

Two photons arising from the same annihilation event and detected by two detectors within the coincidence time-window are:

Which of the following serve as the building blocks for proteins synthesis?

Positronium (Ps) is an arrangement of:

Which of the following regions is the most common site of brown fat localization?

Which of the following scintillators commonly used in PET imaging has the highest stopping power?

A malignant neoplasm of the skin linked with approximately 75% of skin cancer–related mortality is called:

PET tracers have demonstrated significant potential utility and application in the following clinical areas EXCEPT:

A dose of F-18 FDG is calibrated to have 14 mCi at 12:00  p.m. How many milicuries of F-18 FDG will be remaining at 12:40  p.m.?

The sum of the weighted equivalent doses in all the tissues and organs of the body is called:

The combined whole-body effective dose for a clinically diagnostic PET/CT is typically in the range:

The positron has the same mass as an electron and an electric charge of:

The initial diagnosis of melanoma is established by:

In PET scanning process raw data acquired and identified as coincidence events along their LOR are stored in the raw data format called:

Which of the following is cyclotron produced positron-emitting radionuclide?

A piece of equipment that sorts out photons of different radionuclides with different photon energies and to separate scattered photons from the useful ones is called:

DNA synthesis is a measure of cellular:

The F-18 fluoride bone uptake mechanism is similar to that of:

The process by which new blood vessels are formed is called:

Which of the following quality control procedures are required for proper functioning of the survey meter?

The Circle of Willis is a circle of arteries that supply blood to:

The CT X-ray tube:

The radiodensity of distilled water at standard pressure and temperature (STP) on the Hounsfield unit (HU) scale is equal to:

The dose calibrator quality control procedure testing a long-lived standard at each of the frequently used radionuclides settings is called:

Which of the following radionuclides commonly used in PET imaging has the highest energy?

The PET scanner quality control procedure in which data are used with the transmission data in the computation of attenuation correction factors is called:

The property of the scintillation detector described as the number of scintillations produced by each incident photon is called:

Which of the following compounds serves as a precursor for the synthesis of phospholipids?

What is the percent error of the dose calibrator reading if a 4 ml reference volume (expected) of geometry test reads 2.8 mCi, and the actual reading obtained in 10 ml volume is 2.5 mCi?

The presented images labeled A, B, C, and D were obtained during a routine PET/CT scan. The image labeled “A” is described as:

Which of the following is the correct order of scanning when a typical PET/CT protocol is applied?

Presence of the non-collinearity of the annihilation photons and the finite positron range are inherent properties of positron emission tomography resulting in:

Which of the following positron-emitting nuclides has the shortest half-life?

The cathode filament of the X-ray tube:

An oncology patient referred for a positron emission tomography scan should fast prior to his/her appointment for at least:

Daily quality control checks on the PET scanner should be performed:

Patients with malignant melanoma should be scanned with their arms:

The presence of asbestos-related plaques, benign inflammatory pleuritis, ­tuberculous pleuritis, and pleural effusion can result in:

A 13 mCi dose of F-18 FDG is calibrated for 12:00  p.m. If the patient comes an hour early, how many millicuries will there be in the dose?

The earliest disposal of the decay-in-storage waste material is permitted if it was held for a minimum 10 half-lives and has decayed to less than:

Organizing, problem solving, attention, and planning are controlled by the:

The recommended time interval for PET imaging after biopsy is:

The example of the anatomic diagnostic modality employed in the work-up of the patient with seizures is:

In the PET/CT acquisition, the CT component is performed for:

A series of organized, involuntary, smooth waves of muscular contractions of the alimentary canal is called:

Standardized uptake value (SUV) measurements are performed on:

Which of the following positron-emitting nuclides has the longest half-life?

False-negative PET scans in lung cancer imaging occur predominantly because of:

The presented CT image Fig. 2.3 is an example of an artifact described as a:

The principal measure of reducing radiation exposure to patients during PET/CT examination is reduce the:

A minimally invasive surgical procedure used to detect the presence or absence of occult regional nodal metastases in patients without clinically noticeable nodal disease is called:

According to minimal performance standards, the FDG uptake period that is required to minimize variability in SUV quantification should be at least:

Lung activity observed on F-18 FDG-PET/CT imaging:

Which of the following methods, in clinical practice, is the most commonly applied to determine SUV?

CT and PET scans demonstrate different aspects of disease indicating regions with:

If the pretest probability of disease is high and then a negative PET is more likely to be:

Multiple focal cortical and subcortical defects on FDG study indicate diagnosis of:

The process of aligning images so that corresponding features can easily be related is called:

The NRC requires that all wipe tests be recorded in disintegrations per minute (dpm). If 230 net counts per minute (cpm) were acquired with 86% well counter efficiency, what is the result of the wipe test in disintegrations per minute (dpm)?

The concept of clinical SPECT/CT system can be described as:

A normal, physiological uptake of F-18 FDG in the stomach can be described as:

The recommended time interval for PET-FDG imaging after chemotherapy is:

An area of focal FDG uptake in the lungs, without corresponding finding on CT scan, most likely represents:

The display shown in Fig. 2.4 presents attenuation-corrected and reconstructed positron emission tomography (PET-FDG) viability study. The reoriented tomographic slices are:

A hyperinsulinemic state affects the diagnostic quality of FDG-PET imaging and it is typically associated with:

Malignant tumors of the chest wall include all of the following EXCEPT:

A group of lung diseases characterized by chronic obstruction of lung airflow that interferes with normal breathing and is not fully reversible is called:

The beta-amyloid uptake can be assessed through positron emission tomography (PET) using the radiopharmaceutical:

Calculate the effective half-life of a radiopharmaceutical using the following information:

Which of the following scintillators has the highest light output?

The main organs of the digestive system include:

F-18 FDG-PET is considered as a superior modality, compared with CT, for evaluating posttreatment response in lymphoma patients because of:

Which of the following types of non-Hodgkin lymphomas is most common?

The major limitation of PET in the head and neck imaging is its:

The most common cell type found in lymphoid tissue is:

In order to achieve precise attenuation correction data for transmission scan they should be obtained using:

Hiatal hernias can cause large foci of increased F-18 FDG uptake in/at:

The lymphoma that has come back after it has been treated is called:

The diagram for the process of positron–electron annihilation is shown in Fig. 2.5. Which of the following labels identifies the annihilation photon(s)?

The use of a low-dose CT scan in place of a conventional PET transmission scan:

The one of disadvantages of nuclear medicine study over PET-FDG study in infection and inflammation imaging lies in its:

Dual time point FDG-PET imaging is reflecting:

Clinical stress perfusion studies with Rb-82 are usually limited to ­pharmacologic stress because of Rb-82’s:

Image-guided transthoracic needle aspiration or biopsy can be achieved with all of the following EXCEPT:

Stomach reflux disease can result in increased FDG uptake in/at:

The use of PET gating for specific applications in PET/CT scanning:

The lymphatic system is not a separate system of the body, but it is considered a part of the:

All of the following positron emission tomography myocardial perfusion tracers are cyclotron produced EXCEPT:

The presented images labeled A, B, C, and D were obtained during a routine PET/CT scan. The image labeled “B” is described as:

All of the following are examples of conventional diagnostic imaging procedures that evaluate normal anatomy via radiologic images EXCEPT:

The cerebellum is located posteriorly just below the cerebrum and is ­responsible for the proper control of:

A topographic image of the body used to confirm proper patient positioning is called:

The TNM (tumor, node, metastasis) staging system that is generally used for solid tumors is not applicable to lymphoma, since:

Rb-82 is a monovalent cationic analog of potassium and has a biologic activity similar to:

A pulmonary nodule (PN) is defined as a separate opacity that is entirely surrounded by lung parenchyma and has a diameter of:

Which of the following positron emission tomography myocardial perfusion tracers is described as a model tracer for flow quantitation?

All of the following diagnostic procedures can be utilized to evaluate patients with lymphoma EXCEPT: