Review (Exams 1–3) 2026 |
Questions, Answers &
Detailed Rationales Study
Guide
|Graded A+ | Guaranteed
success|
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, Hounsfield Unit of Air -1000 HU
Hounsfield Unit of Dense Bone Approximately +1000 HU
Tissue with Negative HU Value Fat
Increasing mAs Effect Decreases image noise and increases patient dose
Increasing kVp Effect Increases beam penetration and patient dose
Uncoupling Effect Image quality is not directly linked to radiation dose in digital imaging
ATCM Stands For Automatic Tube Current Modulation
Purpose of ATCM Adjusts mAs according to patient size and anatomy to reduce dose
Increasing Pitch Effect on Dose Decreases patient dose
Increasing Pitch Effect on Scan Time Faster scan acquisition
Increasing Pitch Effect on Image Quality May reduce image quality
Positive Contrast Appearance White/Bright
Negative Contrast Appearance Dark
Viscosity Definition Resistance to flow
Osmolality Definition Number of particles in solution
Major IV Contrast Contraindications Severe allergy and renal impairment