Medical Physics MCQs with Answers

adminJune 12, 2024

0 10 1 minute read

Welcome to the Medical Physics MCQs with Answers. In this post, we have shared Medical Physics Online Test for different competitive exams. Find practice Medical Physics Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Medical Physics.

Medical Physics Online Quiz

By presenting 3 options to choose from, Medical Physics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Medical Physics Questions and Answers and click over the correct answer.

Test Name: Medical Physics MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Medical Physics

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1 / 40

What is the principle behind MRI imaging?

Ultrasonic waves

Positron emission

Nuclear magnetic resonance

2 / 40

What is the main purpose of a lead-lined room in radiology departments?

Noise reduction

Temperature control

Shielding from radiation

3 / 40

Which type of radiation is emitted by a positron?

Alpha

Gamma rays

Beta

4 / 40

Which of the following is NOT a type of ionizing radiation?

Gamma rays

X-rays

Infrared

5 / 40

Which of the following imaging techniques uses magnetic fields and radio waves to generate images of the body?

MRI

PET

6 / 40

What is the primary source of man-made radiation exposure?

Medical procedures

Radon gas

Cosmic rays

7 / 40

Which imaging modality is commonly used to visualize blood flow in real-time?

MRI

Ultrasound

8 / 40

Which of the following imaging techniques is most commonly used to diagnose fractures?

MRI

Ultrasound

X-ray

9 / 40

What does CT stand for in medical imaging?

Computed Tomography

Centralized Treatment

Computerized Therapy

10 / 40

What is the primary function of a dosimeter?

Produce ultrasound waves

Generate X-rays

Measure radiation dose

11 / 40

What is the purpose of a lead shield in radiography?

Enhance image contrast

Reduce patient dose

Protect from scattered radiation

12 / 40

What is the unit of measurement for radioactivity?

Rutherford (R)

Becquerel (Bq)

Gray (Gy)

13 / 40

What is the main advantage of proton therapy over traditional radiation therapy?

Precise targeting of tumors

Lower cost

Faster treatment time

14 / 40

What is the primary purpose of a lead apron in radiography?

Image enhancement

Patient comfort

Radiation protection

15 / 40

What is the main disadvantage of using X-rays for imaging?

Limited availability

Low image contrast

Ionizing radiation exposure

16 / 40

Which of the following is NOT a type of radiation therapy?

Brachytherapy

Proton therapy

Ultrasound therapy

17 / 40

What is the SI unit of exposure to X-rays or gamma rays?

Sievert (Sv)

Roentgen (R)

Coulomb per kilogram (C/kg)

18 / 40

What is the SI unit of radioactivity?

Coulomb (C)

Gray (Gy)

Becquerel (Bq)

19 / 40

What is the SI unit of activity?

Becquerel (Bq)

Gray (Gy)

Sievert (Sv)

20 / 40

Which type of radiation has the highest energy?

Gamma rays

X-rays

Ultraviolet rays

21 / 40

Which type of radiation is most commonly used in nuclear medicine imaging?

X-rays

Gamma rays

Beta particles

22 / 40

Which of the following is a characteristic of ultrasound waves?

Short wavelength

Non-ionizing

High energy

23 / 40

What is the SI unit of radiation dose?

Coulomb (C)

Gray (Gy)

Sievert (Sv)

24 / 40

Which type of radiation has the lowest penetration power?

Alpha

Gamma

Beta

25 / 40

What is the primary source of natural background radiation?

Microwave radiation

Cosmic rays

Radon gas

26 / 40

What is the primary function of a Geiger counter?

Detect radiation

Shield from radiation

Measure radiation dose

27 / 40

Which of the following is a unit of measurement for radiation intensity?

Roentgen (R)

Gray (Gy)

Sievert (Sv)

28 / 40

Which imaging modality uses ionizing radiation?

MRI

Ultrasound

X-ray

29 / 40

What is the purpose of a collimator in radiography?

Reduce image noise

Limit radiation exposure to specific areas

Enhance image contrast

30 / 40

Which imaging modality is commonly used to assess bone density?

PET

DEXA

MRI

31 / 40

What is the main advantage of MRI over CT imaging?

Faster imaging

No ionizing radiation exposure

Higher resolution images

32 / 40

What type of radiation is used in radiotherapy to treat cancer?

Ultraviolet rays

Gamma rays

Ionizing radiation

33 / 40

What is the speed of light in a vacuum?

300,000,000 m/s

290,000,000 m/s

299,792,458 m/s

34 / 40

What is the SI unit of absorbed dose?

Gray (Gy)

Sievert (Sv)

Roentgen (R)

35 / 40

What does PET stand for in medical imaging?

Positively Enhanced Tomography

Photon Emission Technology

Positron Emission Tomography

36 / 40

Which unit is used to measure absorbed dose equivalent?

Becquerel (Bq)

Sievert (Sv)

Gray (Gy)

37 / 40

Which of the following is a unit of measurement for radiation exposure?

Coulomb per kilogram (C/kg)

Tesla (T)

Newton (N)

38 / 40

What is the SI unit of equivalent dose?

Coulomb per kilogram (C/kg)

Gray (Gy)

Sievert (Sv)

39 / 40

What is the half-life of technetium-99m?

12 hours

24 hours

6 hours

40 / 40

What is the SI unit of radiation exposure?

Coulomb per kilogram (C/kg)

Becquerel (Bq)

Sievert (Sv)

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adminJune 12, 2024

0 10 1 minute read