Medical Physics MCQs with Answers

adminJune 12, 2024

0 23 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 main purpose of a lead-lined room in radiology departments?

Noise reduction

Shielding from radiation

Temperature control

2 / 40

What is the SI unit of radiation exposure?

Becquerel (Bq)

Sievert (Sv)

Coulomb per kilogram (C/kg)

3 / 40

Which unit is used to measure absorbed dose equivalent?

Gray (Gy)

Sievert (Sv)

Becquerel (Bq)

4 / 40

What does CT stand for in medical imaging?

Computed Tomography

Centralized Treatment

Computerized Therapy

5 / 40

What does PET stand for in medical imaging?

Positively Enhanced Tomography

Photon Emission Technology

Positron Emission Tomography

6 / 40

Which type of radiation is emitted by a positron?

Alpha

Beta

Gamma rays

7 / 40

What is the SI unit of activity?

Sievert (Sv)

Gray (Gy)

Becquerel (Bq)

8 / 40

What is the unit of measurement for radioactivity?

Rutherford (R)

Gray (Gy)

Becquerel (Bq)

9 / 40

What is the SI unit of equivalent dose?

Gray (Gy)

Coulomb per kilogram (C/kg)

Sievert (Sv)

10 / 40

What is the SI unit of absorbed dose?

Sievert (Sv)

Roentgen (R)

Gray (Gy)

11 / 40

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

Newton (N)

Tesla (T)

Coulomb per kilogram (C/kg)

12 / 40

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

6 hours

12 hours

24 hours

13 / 40

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

Lower cost

Precise targeting of tumors

Faster treatment time

14 / 40

What is the purpose of a collimator in radiography?

Limit radiation exposure to specific areas

Enhance image contrast

Reduce image noise

15 / 40

What is the principle behind MRI imaging?

Nuclear magnetic resonance

Ultrasonic waves

Positron emission

16 / 40

What is the primary function of a Geiger counter?

Shield from radiation

Detect radiation

Measure radiation dose

17 / 40

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

Roentgen (R)

Sievert (Sv)

Gray (Gy)

18 / 40

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

Gamma rays

Infrared

X-rays

19 / 40

What is the speed of light in a vacuum?

299,792,458 m/s

290,000,000 m/s

300,000,000 m/s

20 / 40

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

Gamma rays

Beta particles

X-rays

21 / 40

What is the purpose of a lead shield in radiography?

Enhance image contrast

Protect from scattered radiation

Reduce patient dose

22 / 40

What is the main advantage of MRI over CT imaging?

Faster imaging

Higher resolution images

No ionizing radiation exposure

23 / 40

Which type of radiation has the lowest penetration power?

Beta

Alpha

Gamma

24 / 40

Which type of radiation has the highest energy?

X-rays

Ultraviolet rays

Gamma rays

25 / 40

Which of the following is a characteristic of ultrasound waves?

High energy

Non-ionizing

Short wavelength

26 / 40

What is the SI unit of radiation dose?

Gray (Gy)

Coulomb (C)

Sievert (Sv)

27 / 40

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

Gamma rays

Ionizing radiation

Ultraviolet rays

28 / 40

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

MRI

Ultrasound

29 / 40

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

Ultrasound

X-ray

MRI

30 / 40

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

Sievert (Sv)

Coulomb per kilogram (C/kg)

Roentgen (R)

31 / 40

Which imaging modality uses ionizing radiation?

MRI

Ultrasound

X-ray

32 / 40

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

Patient comfort

Image enhancement

Radiation protection

33 / 40

What is the primary function of a dosimeter?

Produce ultrasound waves

Generate X-rays

Measure radiation dose

34 / 40

What is the SI unit of radioactivity?

Becquerel (Bq)

Gray (Gy)

Coulomb (C)

35 / 40

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

Cosmic rays

Radon gas

Medical procedures

36 / 40

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

Proton therapy

Ultrasound therapy

Brachytherapy

37 / 40

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

Ionizing radiation exposure

Limited availability

Low image contrast

38 / 40

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

PET

MRI

39 / 40

Which imaging modality is commonly used to assess bone density?

MRI

PET

DEXA

40 / 40

What is the primary source of natural background radiation?

Microwave radiation

Cosmic rays

Radon gas

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adminJune 12, 2024

0 23 1 minute read