PTCB Updated PTCE Exam Questions and Answers by benji

Comprehensive and Detailed Step-by-Step Explanation:

Glipizide (Glucotrol)is asulfonylurea, a class oforal hypoglycemic agentsused intype 2 diabetes. It works by stimulatinginsulin releasefrom the pancreas, which can causelow blood sugar (hypoglycemia)if insulin levels become too high.

Symptoms of Hypoglycemia:

Shakiness, sweating, dizziness

Confusion, irritability, rapid heartbeat

Severe cases: Seizures, unconsciousness

????Explanation of Answer Choices:✅C. Glipizide→Correct.Causeshypoglycemiaas it increases insulin secretion.❌A. Haloperidol→ Incorrect.Antipsychotic (Haldol), not related to blood sugar regulation.❌B. Gemfibrozil→ Incorrect.Lipid-lowering agent (fibrate), does not causehypoglycemia.❌D. Hydrochlorothiazide→ Incorrect.A diuretic that may cause hyperglycemia (increased blood sugar), not hypoglycemia.

????Reference:

American Diabetes Association (ADA) Guidelines on Hypoglycemia

USP Drug Classification Database

PTCB Exam: Diabetes Medications & Side Effects

Comprehensive and Detailed Step-by-Step Explanation:

Acetaminophen (Tylenol)is metabolized by theliver.Excessive doses or concurrentalcohol useincreases the risk ofliver damage (hepatotoxicity).

????Explanation of Answer Choices:✅D. Alcoholic beverages→Correct. Alcohol and acetaminophen together can causesevere liver damage.❌A. Citrus fruits→ Incorrect. Citrus does not interfere withacetaminophen metabolism.❌B. Leafy greens→ Incorrect. Leafy greens affectwarfarin, notacetaminophen.❌C. Dairy products→ Incorrect. Dairy does not interact withacetaminophen.

????Reference:

FDA Acetaminophen Warnings

PTCB Medication Safety Guidelines

When abody area is exposed to a hazardous substance, thefirst actionshould be tothoroughly flush the area with watertoimmediately remove the contaminantand reduce absorption into the skin.

Flush the affected area with water for at least 15 minutes.

Remove contaminated clothing.

Seek medical attention if needed.

Report the incident to the pharmacy manager.

A. Notify the pharmacy manager→ Incorrect;the immediate priorityis to flush the area.Reporting comes after decontamination.

C. Call environmental services for cleanup→ Incorrect; personal exposure should be addressed before worrying about cleanup.

D. Go to the emergency department→ Incorrect; first aid (flushing with water) should beperformed immediatelybefore seeking additional care if necessary.

Proper Emergency Response:Other Answer Choices Explained:References:

USP <800> Guidelines for Handling Hazardous Drugs

OSHA (Occupational Safety and Health Administration) Hazardous Substance Exposure Protocols

PTCB PTCE Exam Content Outline (Medication Safety & Hazardous Drug Handling)

Carvedilol (Coreg) and labetalol are both non-selective beta-blockersused to treathypertension and heart failure.

Therapeutic substitutionis allowed whentwo drugs have similar effects but different chemical structures.

Carvedilol is often used in place of labetalol, especially in heart failure patients.

Why Other Options Are Incorrect:

A. Albuterol?❌Abronchodilator for asthma/COPD, not a beta-blocker.

C. Tramadol?❌Apain reliever (opioid-like), not a beta-blocker.

D. Estradiol?❌Ahormone replacement therapy, not a beta-blocker.

????Reference:PTCE Medication Classification Guide, FDA Beta-Blocker Comparisons.