ExCPT Test ExCPT Dosage Forms and Routes of Administration 2

Question 1

Extended-release (ER) tablets should NEVER be crushed or chewed because:

Accepted Answer

Crushing destroys the release mechanism and can cause dose dumping

Answer

Crushing an ER tablet destroys its controlled-release matrix, releasing the entire dose at once (dose dumping), which can cause toxicity or adverse effects.

Question 2

A metered-dose inhaler (MDI) delivers medication via which route?

Accepted Answer

Inhalation (pulmonary)

Answer

An MDI aerosolizes medication so it can be inhaled into the lungs, making inhalation (pulmonary) the route of administration.

Question 3

Ophthalmic solutions are formulated to be isotonic primarily to:

Accepted Answer

Prevent irritation and discomfort to the eye

Answer

Ophthalmic solutions must be isotonic (matching the osmolarity of tear fluid) to prevent cell damage and discomfort in the sensitive eye tissue.

Question 4

The Z-track technique is used during which type of injection?

Accepted Answer

Intramuscular

Answer

The Z-track method is used for intramuscular injections to prevent medication from leaking back into subcutaneous tissue or staining the skin.

Question 5

Which route of administration is used for tuberculin skin tests (TST)?

Accepted Answer

Intradermal

Answer

Tuberculin skin tests are given intradermally (into the dermis layer of skin) to create a wheal that is read 48-72 hours later for immune response.

ExCPT Practice Test Practice Test

ExCPT Practice Test Practice Test

ExCPT Test ExCPT Dosage Forms and Routes of Administration 2