Route of drug administration Flashcards
Which of the following factors influences the choice of a drug administration route?
A) The drug’s physical and chemical properties
B) The site of desired action
C) The patient’s condition
D) All of the above
D
Which of the following is an advantage of oral drug administration?
A) Faster onset of action than intravenous administration
B) Less variability in drug absorption
C) Safer, convenient, and non-invasive
D) Bypasses first-pass metabolism
C
Which drug administration route bypasses the first-pass metabolism?
A) Oral
B) Sublingual
C) Rectal
D) Intramuscular
B
Why is the parenteral route preferred for unconscious patients?
A) It is less expensive
B) It avoids gastrointestinal absorption issues
C) It allows for slower drug absorption
D) It prevents first-pass metabolism
B
A 7-year-old child presents with acute pneumonia and requires antibiotic therapy. Which route of drug administration is most appropriate?
A) Enteral
B) Rectal
C) Intravenous
D) Inhalational
C
Which of the following is NOT a limitation of oral drug administration?
A) Drug degradation by digestive enzymes
B) Difficult to use in vomiting patients
C) Variation in absorption rates
D) Rapid onset of action
D
What is the primary advantage of the transdermal route?
A) Immediate systemic effects
B) Avoids first-pass metabolism
C) Suitable for large drug molecules
D) No risk of skin irritation
B
Which of the following is an example of a drug commonly administered through the sublingual route?
A) Diazepam
B) Glyceryl trinitrate
C) Insulin
D) Morphine
B
Which of the following is NOT a characteristic of the rectal route?
A) Useful for irritant drugs
B) Bypasses first-pass metabolism partially
C) Suitable for unconscious patients
D) Rapid and predictable absorption
D
Which statement about inhalational drug administration is correct?
A) It is only used for systemic effects
B) It is slower than oral administration
C) It provides rapid drug absorption
D) It is ineffective for volatile drugs
C
Which of the following is an example of a drug administered by the transdermal route?
A) Diazepam
B) Nicotine patch
C) Paracetamol
D) Lidocaine injection
B
Which parenteral route provides the most immediate drug effects?
A) Intramuscular
B) Subcutaneous
C) Intradermal
D) Intravenous
D
What is the primary limitation of intravenous drug administration?
A) High variability in absorption
B) Risk of overdose and toxicity
C) Slow onset of action
D) Inability to use aqueous solutions
B
Which route of drug administration is commonly used for depot preparations?
A) Intravenous
B) Sublingual
C) Intramuscular
D) Transdermal
C
Why are aqueous solutions preferred for intravenous injections?
A) They have better lipid solubility
B) They have controlled absorption rates
C) They prevent embolism formation
D) They provide immediate drug action
D
What is the primary function of the dermojet in subcutaneous administration?
A) Uses a needle for injection
B) Deposits drug via high-velocity jet
C) Provides a depot effect
D) Requires deep muscle penetration
B
Which of the following is a characteristic of intradermal injection?
A) Used for emergency drug administration
B) Forms a bleb at the injection site
C) Provides rapid systemic absorption
D) Used primarily for antibiotic therapy
B
Which of the following is NOT an example of a parenteral route?
A) Intramuscular
B) Subcutaneous
C) Sublingual
D) Intravenous
C
What is the main disadvantage of the rectal route?
A) Irregular and unpredictable absorption
B) High drug degradation
C) Bypasses first-pass metabolism completely
D) Cannot be used in pediatric patients
A
Which of the following routes involves drug administration directly into the bloodstream?
A) Intramuscular
B) Intravenous
C) Subcutaneous
D) Transdermal
B
What is the advantage of using nebulizers for drug administration?
A) Direct delivery to the lung
B) Rapid systemic action
C) No risk of overdose
D) Avoids immune system activation
A
Which drug administration route is best suited for treating localized skin infections?
A) Sublingual
B) Intravenous
C) Topical
D) Oral
C
What is the key difference between transdermal and topical drug administration?
A) Transdermal drugs have local effects, while topical drugs have systemic effects
B) Transdermal drugs bypass first-pass metabolism, while topical drugs do not
C) Topical drugs enter systemic circulation faster than transdermal drugs
D) Transdermal drugs provide immediate effects, while topical drugs are slow-acting
B
What is the main function of a nebulizer in drug administration?
A) Converts liquid medication into a mist for inhalation
B) Injects medication into the bloodstream
C) Delays drug absorption in the stomach
D) Prevents drug degradation
A