ARRT MRI Mock Registry Questions and Answers (2023/2024) Already Graded A
When imaging a geriatric patient, while performing a PCA MRA sequence, what imaging parameter might the operator adjust? A. Field of view B. Presaturation band location C. Slice thickness D. VENC E. Contrast injection rate VENC As the number of phase encodings is increased from 256 to 512, SNR (signal to noise ratio): A. Increases B. Decreases C. Doubles D. Does not change E. Quadruples Decreases A magnetic vector possesses attributes of both __________ and _____________. A. Strength; magnitude B. Direction; purpose C. Strength; flow D. Magnitude; direction Magnitude; direction What element in the body is the principal nucleus utilized in clinical MR imaging? A. Helium B. Hydrogen C. Oxygen D. Calcium Hydrogen Which of the following best describes an IR sequence? A. A 180° pulse followed by a 90°/180° combination B. A 90° pulse followed by a 180° pulse C. A train of gradient echoes D. A train of spin echoes A 180° pulse followed by a 90°/180° combination Gradient echo sequences requiring high signal from fluid are known as all of the following EXCEPT: A. T2* gradient echo B. Steady-state gradient echo C. Coherent gradient echo D. Incoherent gradient echo Incoherent gradient echo
Información del documento
- Subido en
- 11 de noviembre de 2023
- Número de páginas
- 64
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
