The Tolerance Limit for a CT Number Calibration QC Test

question 12

Multiple Choice

The tolerance limit for a CT number calibration QC test is:

• A) ±3 CT numbers.
• B) ±5 CT numbers.
• C) ±8 CT numbers.
• D) no tolerance limit has been established.

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Definitions:

Osmotic Thirst

Osmotic thirst is a sensation of thirst aroused by a high concentration of solutes in the body's fluids, leading to a drive to consume water to dilute these solutes.

Water Intoxication

A potentially fatal disturbance in brain function that results when the normal balance of electrolytes in the body is pushed outside safe limits by overhydration.

Dehydrated

A state in which the body loses more fluids than it takes in, leading to an imbalance of water and electrolytes.

Irregular Heartbeat

A condition where the heart's natural rhythm is disrupted, leading to irregularities in heart rate or rhythm.