18 Questions
Why is parenteral administration suitable for certain drugs?
Because they are ineffective by other routes.
What is a disadvantage of intravenous administration?
It is not suitable for drugs in oily vehicles.
When is intramuscular administration suitable?
For aqueous and oily solutions and suspensions of insoluble drugs.
What is the purpose of adding a vasoconstrictor agent to a drug injected subcutaneously?
To retard the absorption of the drug
What happens when a drug is injected in solution in oil or suspended in water or in oil through intramuscular administration?
Absorption is very slow and constant.
What is a characteristic of intravenous administration?
It permits a rapid effect.
What is the primary advantage of the inhalation route of drug administration?
Rapid absorption of the drug from the alveolar membrane
Why is subcutaneous administration suitable for certain drugs?
Because they may be either in aqueous solutions or in the form of fine suspensions.
Why are drugs sometimes injected directly into the spinal subarachnoid space?
To achieve local and rapid effects on the meninges or cerebrospinal axis
What is the primary purpose of intracardiac injection?
To treat cardiac arrest
What is the purpose of intra-articular injection?
To inject drugs directly into a joint
What is the purpose of intraperitoneal injection?
To inject fluids or drugs in the peritoneal cavity
What is a disadvantage of oral administration of drugs?
All of the above
What is a characteristic of drugs administered sublingually?
They must be palatable and soluble
Why is oral administration considered the safest and most convenient route?
Because it is the safest and most convenient
What is a benefit of rectal administration of drugs?
Drugs are protected from the first pass metabolism
Why are some drugs not suitable for oral administration?
All of the above
What is an advantage of sublingual administration of drugs?
Rapid absorption with a rapid onset of action
Learn about the different routes of drug administration, including enteral and non-entral routes, their advantages, and disadvantages. Understand the characteristics of oral administration and when it's not suitable.
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