Which of the Following Is True Regarding Retrograde Urography

question 87

Multiple Choice

Which of the following is true regarding retrograde urography?
1) The ureters must be catheterized.
2) The exam provides little physiologic information.
3) Contrast is injected directly into the pelvicalyceal system.

• A) 1 and 2
• B) 1 and 3
• C) 2 and 3
• D) 1, 2, and 3

---

Definitions:

Consciousness

The state of being aware of and able to think about one's own existence, sensations, thoughts, and environment.

Circadian Rhythm

The biological clock that cycles daily, regulating physiological and behavioral processes such as sleep-wake patterns and hormone release.

24-Hour Cycle

Refers to the circadian rhythm, an internal biological clock that regulates the sleep-wake cycle and other physiological processes within a 24-hour period.

Electroencephalograph

An instrument that measures and records the electrical activity of the brain.