Following is an advantage of Oral route Aaction Is Slow Bmay Cause GIT

Following is an advantage of Oral route (A)action Is Slow (B)may Cause GIT Adverse Effects (C)noninvasive (D)may Destroyed By Gastric Juices

(C) Noninvasive is the correct answer.

The oral route is considered noninvasive because it does not require any needle, injection, or breach of the skin/body tissues - the patient simply swallows the medication.

Here is why the other options are disadvantages, not advantages, of the oral route:

(A) Action is slow - Oral drugs must be absorbed through the GIT before reaching systemic circulation, so onset is delayed compared to IV or IM routes. This is a disadvantage.
(B) May cause GIT adverse effects - Oral drugs can irritate the gastric mucosa (e.g., NSAIDs causing peptic ulcers). This is a disadvantage.
(D) May be destroyed by gastric juices - Acidic gastric pH and digestive enzymes can degrade certain drugs (e.g., insulin, penicillin G). This is a disadvantage.

Key advantages of the oral route include:

Noninvasive and painless
Convenient and self-administrable
Cheap and widely available
Suitable for chronic therapy
No risk of infection from needles

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