ExCPT Test ExCPT Dosage Forms and Routes of Administration 1

Question 1

Which route of administration provides the fastest onset of action?

Accepted Answer

Intravenous

Answer

Intravenous (IV) administration delivers the drug directly into the bloodstream, bypassing absorption and producing the fastest onset of action.

Question 2

An enteric-coated tablet is specifically designed to:

Accepted Answer

Resist dissolution in stomach acid

Answer

Enteric coatings protect the tablet from dissolution in the acidic stomach environment, allowing it to dissolve in the small intestine instead.

Question 3

The abbreviation 'SL' on a prescription indicates the medication should be given:

Accepted Answer

Sublingually

Answer

SL stands for sublingual, meaning the medication is placed under the tongue for rapid absorption through the oral mucosa.

Question 4

Which dosage form is most appropriate when a patient is unconscious and cannot swallow?

Accepted Answer

Rectal suppository

Answer

Rectal suppositories can be administered to unconscious or vomiting patients since the route does not require swallowing or patient cooperation.

Question 5

An ointment differs from a cream primarily because ointments are:

Accepted Answer

Oil-based and anhydrous

Answer

Ointments are oil-based (anhydrous) preparations that provide an occlusive barrier, while creams are emulsions containing both water and oil.

ExCPT Practice Test