Pharmacology and Medication Administration Flashcards

What is the correct needle gauge range for subcutaneous (SQ) injections?

Answer: 25-27 gauge

Subcutaneous injections typically use 25-27 gauge needles to minimize tissue trauma while delivering medication into the fatty tissue layer.

Which term describes an unexpected, severe allergic reaction to a medication that requires immediate treatment?

Answer: Anaphylaxis

Anaphylaxis is a life-threatening allergic reaction characterized by respiratory distress, hypotension, and urticaria, requiring immediate epinephrine administration.

What does 'QID' mean in a medication order?

Answer: Four times daily

QID (quater in die) means four times daily, indicating the medication should be administered four times throughout the day.

When reconstituting a powdered medication, which solution is most commonly used as a diluent?

Answer: Normal saline or sterile water

Normal saline (0.9% NaCl) and sterile water are the most common diluents for reconstituting powdered medications unless the manufacturer specifies otherwise.

Which of the following best describes a drug's 'half-life'?

Answer: The time required for the drug concentration in the body to decrease by 50%

Half-life is the time required for the plasma concentration of a drug to decrease by half, which determines dosing frequency and duration of action.

A medical assistant is preparing an oral liquid medication for a pediatric patient. The order reads '250 mg' and the concentration is '125 mg/5 mL.' How many mL should be administered?

Answer: 10 mL

Using the formula: Desired/Have × Volume = 250/125 × 5 mL = 10 mL is the correct volume to administer.