RADT Final Exam 2024; 100% Correct Questions With Verified Answers And Rationale
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RADT Final Exam 2024; 100% Correct Questions With Verified Answers And Rationale
RADT Final Exam 2024; 100% Correct Questions With Verified Answers And Rationale
RADT Final Exam 2024; 100% Correct Questions With Verified Answers And Rationale
RADT Final Exam 2024; 100% Correct
Questions With Verified Answers And Rationale
1. Wilhelm Conrad Roentgen Discovered X-Ray By:
A) Observing Light Emitted From A Chemical Compound
B) Experimenting With Different Gases
C) Using A Prism To Analyze Light
D) Conducting Tests With Electrical Currents
ANS: A)
Rationale: Roentgen Discovered X-Rays While Experimenting With A Crookes
Tube, Which Emitted A Glow When A Current Passed Through It. This Glow Was
Due To The Interaction Of The Cathode Rays With The Glass And Other Materials,
Leading To The Discovery Of X-Rays.
2. Thomas Edison Contributed Greatly To The Field Of Radiology By:
A) Discovering The Use Of Calcium Tungstate
B) Inventing The First X-Ray Machine
C) Developing Fluoroscopy
D) Creating An Early Imaging Technique Using Light
ANS: A)
Rationale: Edison Discovered That Calcium Tungstate Could Be Used As A
Fluorescent Screen To Convert X-Rays Into Visible Light, Significantly Enhancing
Image Quality In Early Radiology.
3. The Scientist Michael Faraday Is Noted For:
A) Discovering X-Rays
B) Experiments In Electromagnetic Induction
C) The Law Of Electrolysis
D) Developing The First Battery
,ANS: B)
Rationale: Faraday’s Work Laid The Foundation For Electromagnetic Theory,
Leading To The Development Of Technologies Including Electric Generators And
Transformers.
4. Roentgen Discovered X-Rays In:
A) 1890
B) 1895
C) 1900
D) 1910
ANS: B)
Rationale: Roentgen Made His Ground-Breaking Discovery Of X-Rays On
November 8, 1895, Which Marked The Beginning Of Medical Imaging.
5. The Piezoelectric Effect Describes How A Voltage Is Produced By Applying Stress
To A Certain Type Of Crystal. This Effect Was Discovered By:
A) Wilhelm Röntgen
B) Jacques And Pierre Curie
C) Nikola Tesla
D) Thomas Edison
ANS: B)
Rationale: The Curies Discovered The Piezoelectric Effect In Certain Crystals,
Which Is Fundamental To Various Technologies Including Ultrasound Imaging.
6. William Goodspeed Is Noted For:
A) Inventing The X-Ray Tube
B) Producing The First Radiograph
C) Developing CT Imaging
D) Pioneering MRI Technology
ANS: B)
Rationale: Goodspeed Produced The First Known Radiograph In 1890, Two Years
Before Roentgen's Famous Discovery.
,7. In The Early Days Of X-Ray Usage:
A) Abuses Were Rampant, Circuses Used X-Rays For Entertainment, Stores Fitted
Shoes By X-Ray Shadows
B) Only Hospitals Were Allowed To Use X-Rays
C) X-Ray Machines Were Exclusively For Research
D) X-Ray Technology Was Kept Secret From The Public
ANS: A)
Rationale: Early X-Ray Technology Was Poorly Regulated, Leading To Misuse And
Dangerous Practices That Often Jeopardized Patient Safety.
8. The Discoverer Of X-Rays Did So While Working With A:
A) Fluorescent Tube
B) Crookes Tube
C) Tesla Coil
D) Gas Discharge Tube
ANS: B)
Rationale: Roentgen Used A Crookes Tube, A Type Of Vacuum Tube, In His
Experiments, Which Led To The Discovery Of X-Rays When He Observed The
Unexpected Glow On A Nearby Screen.
9. The Harmful Effects Of X-Rays Were First Noted By:
A) Edison's Laboratory Worker
B) Wilhelm Röntgen
C) The Curies
D) A Radiologist In The 1920s
ANS: A)
Rationale: Edison's Assistant, Clarence Dally, Suffered Severe Injuries From
Prolonged X-Ray Exposure, Highlighting The Dangers Of Early X-Ray Use.
10. The Hittorf Tube:
, A) Was An Early Model Of The Crookes Tube
B) Was The First X-Ray Machine
C) Was Used For Therapeutic Purposes
D) Was A Type Of Imaging Detector
ANS: A)
Rationale: The Hittorf Tube Was An Earlier Type Of Vacuum Tube That Led To
Advancements In Understanding Cathode Rays, Which Ultimately Contributed To
The Development Of X-Ray Technology.
11. Who Can Initiate A Request For A Radiographic Examination?
A) A Nurse
B) A Physician (Or His/Her Designate)
C) The Patient
D) A Radiologist
ANS: B)
Rationale: Only A Physician Or A Qualified Healthcare Provider Can Order
Radiographic Exams To Ensure They Are Medically Necessary.
12. Which Of The Following Is A Legitimate Reason To Order A Radiologic Exam?
A) To Evaluate A Suspected Fracture
B) To Check A Patient's Mood
C) For Routine Check-Ups
D) To Satisfy Patient Demand
ANS: A)
Rationale: Radiologic Exams Are Ordered To Diagnose Conditions, Such As
Fractures Or Tumors, Based On Clinical Symptoms.
13. What Instrument Is Used To Monitor Chest And Heart Sounds?
A) Stethoscope
B) Sphygmomanometer
C) ECG Machine
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