Ultrasound -Multiple Choice Questions Quiz

Question 1: What is ultrasound?

(a) High-frequency sound waves
(b) Low-frequency sound waves
(c) Infrasound
(d) Electromagnetic waves

Question 2: Which of the following medical imaging techniques uses ultrasound to visualize internal body structures?

(a) X-ray
(b) MRI (Magnetic Resonance Imaging)
(c) Ultrasound imaging (Sonography)
(d) CT scan (Computed Tomography)

Question 3: In medical applications, what is the primary advantage of using ultrasound imaging over X-ray or CT scan?

(a) Lower cost
(b) Higher resolution images
(c) No ionizing radiation exposure
(d) Faster scanning time

Question 4: What principle does ultrasound imaging rely on to generate images?

(a) Absorption of sound waves
(b) Refraction of sound waves
(c) Reflection of sound waves
(d) Diffraction of sound waves

Question 5: What property of tissues affects the speed of sound waves in ultrasound imaging?

(a) Density of tissues
(b) Temperature of tissues
(c) Elasticity of tissues
(d) Color of tissues

Question 6: Which medical application uses high-intensity focused ultrasound (HIFU) to treat tumors?

(a) Ultrasound imaging
(b) Ultrasound therapy
(c) Ultrasound cleaning
(d) Ultrasound fetal monitoring

Question 7: In obstetrics, what is the common use of ultrasound imaging?

(a) Treating ovarian cysts
(b) Detecting gallstones
(c) Monitoring fetal development during pregnancy
(d) Diagnosing heart conditions

Question 8: What is the typical frequency range used in medical ultrasound imaging?

(a) Less than 1 hertz
(b) 20 to 20,000 hertz (audible range)
(c) 100,000 to 1,000,000 hertz (ultrasound range)
(d) More than 1,000,000 hertz

Question 9: Which part of the body is often examined using transvaginal ultrasound imaging?

(a) Brain
(b) Abdomen
(c) Heart
(d) Female reproductive system

Question 10: What is the name of the gel applied to the skin during external ultrasound imaging to improve sound wave transmission?

(a) Ultrasound oil
(b) Ultrasound cream
(c) Ultrasound gel
(d) Ultrasound lotion

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Results:

Total score: /10

Answer key:

Question 1: a

Question 2: c

Question 3: c

Question 4: c

Question 5: c

Question 6: b

Question 7: c

Question 8: c

Question 9: d

Question 10: c