Home Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays A direct X-ray photograph of the intestines …
Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays Single Correct MCQ
Published on: September 12, 2026

A direct X-ray photograph of the intestines is not generally taken by the radiologists because

A
Intestines would burst on exposure to X-rays
B
The X-rays would not pass through the intestines
C
The X-rays will pass through the intestines without causing a good shadow for any useful diagnosis
D
A very small exposure of X-rays causes cancer in the intestines

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Text Solution

Verified by Experts
The correct answer is:
C
Step 1: Understand why X-ray imaging is used. X-rays are employed to visualize internal structures based on their varying densities.
Step 2: Assess the nature of intestinal contents. The intestines contain gas and fluids, which do not provide adequate contrast against surrounding tissues.
Step 3: Evaluate the options:
  • Option A: Intestines would burst on exposure to X-rays - Incorrect, as X-rays do not exert physical pressure.
  • Option B: The X-rays would not pass through the intestines - Incorrect, as X-rays can pass through tissues, but the contrast is insufficient.
  • Option C: The X-rays will pass through the intestines without causing a good shadow for any useful diagnosis - Correct, since the contrast is poor due to gas and fluid in the intestines.
  • Option D: A very small exposure of X-rays causes cancer in the intestines - Incorrect, while there are risks, this is not the primary reason for avoiding X-rays of intestines.
Therefore, the correct answer is C.

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