PCC3 - Exam 3 - Mirza

Co-administration of tetracyclines with antacids containing Ca2+ will result in an increased absorption of the tetracycline

• true

• false

Acidic drugs have a tendency to be reabsorbed from a basic urine

• true

• false

Which of the following describes a strategy to prevent in vivo drug precipitation

• By using glass infusion sets

• By setting a slow infusion rate

• By visually inspecting the IV solutions before their administration

What is the potential impact of a drug adsorption by plastics

• Increased drug concentration in the formulation

• Decreased drug concentration in the formulation

• Enhanced bioavailability of the drug

• Enhanced therapeutic effect of the drug

When dispensing tetracycline (a chelate-forming drug) to a patient, a pharmacist should advise a patient to take the antibiotic with ___.

• A glass of milk

• A glass of water

• A Mg-containing antacid

• Mg-containing multivitamins

What is the most common mechanism of incompatibility of dextrose solutions with the intravenous solutions of phenytoin?

• In vivo pH alteration

• Chelate formation between dextrose and one of the excipients

• Specific interactions between dextrose and propylene glycol

The process by which plasticizers are extracted by a liquid formulation is known as ___

• Precipitation

• Leaching

• Adsorption

• Evaporation

Chelators are beneficial in the treatment of heavy metals poisoning

• true

• false

Which one is false

• Vaccines cannot be administered orally

• Vaccines are administered to establish immunity against a particular pathogen

• A vaccine is a suspension of live or killed microorganisms or their fractions

• Biologics are medical products made from a variety of natural choices

Concerning adjuvants, which of the following statements is false

• Alum is a biological molecule

• Alum causes protein precipitation

• Adjuvants enhance the immune response to the vaccine

• Aluminum salts are the most commonly used adjuvants