Which of the following is a disadvantage of oral drug administration?
It is convenient and easy to use
It has a slower onset of action compared to other routes
It is less expensive than other routes
It is non-invasive
The Correct Answer is B
Oral drug administration has a slower onset of action compared to other routes such as intravenous or intramuscular administration. This is because orally administered drugs must first pass through the gastrointestinal tract and be absorbed into the bloodstream before they can exert their effects.
a. Convenience and ease of use are advantages of oral drug administration, not disadvantages.
c. Being less expensive than other routes is an advantage of oral drug administration, not a disadvantage.
d. Being non-invasive is an advantage of oral drug administration, not a disadvantage.
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Correct Answer is B
Explanation
Oral drug administration is convenient and easy to use because it does not require any special equipment or training and can be self-administered by patients.
a. Oral drug administration does not have a rapid onset of action compared to other routes such as intravenous or intramuscular administration.
c. Being more expensive than other routes is a disadvantage of oral drug administration, not an advantage.
d. Being invasive is a disadvantage of oral drug administration, not an advantage.
Correct Answer is A
Explanation
Answer: A. Enteric-coated tablets
Rationale:
A) Enteric-coated tablets: Enteric-coated tablets should not be crushed as they are designed to dissolve in the intestines rather than the stomach. Crushing these tablets can destroy the coating, leading to stomach irritation or reducing the drug's effectiveness by releasing it prematurely.
B) Immediate-release tablets: Immediate-release tablets are generally safe to crush as they are designed to dissolve quickly and release their medication immediately. However, it is essential to confirm with each medication as some exceptions exist.
C) Chewable tablets: Chewable tablets are meant to be chewed for quicker absorption, especially for individuals with difficulty swallowing. Crushing is unnecessary and does not alter the intended function of these tablets.
D) Sublingual tablets: Sublingual tablets are designed for absorption under the tongue to bypass the digestive system and enter the bloodstream directly. Crushing sublingual tablets may impair their efficacy as the medication would not be absorbed as intended.
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