We have provided 60 MCQs on Posology, Unit-1, 1st semester, Pharmaceutics, B. Pharm.
We have covered following topics.
Posology: Definition, Factors affecting posology. Pediatric dose calculations based on age, body weight and body surface.
Table of Contents
MCQ on Posology
- Posology is the study of:
- A. The route of drug administration
- B. The dosage form of a drug
- C. The dose of a drug
- D. All of the above
Answer: D
Factors affecting posology
- Which of the following factors does NOT affect posology?
- A. Age
- B. Body weight
- C. Body surface area
- D. Gender
Answer: D
- Which of the following factors is LEAST important in determining the dose of a drug in children?
- A. Age
- B. Body weight
- C. Body surface area
- D. None of the above
Answer: C
- Which of the following factors is MOST important in determining the dose of a drug in adults?
- A. Age
- B. Body weight
- C. Body surface area
- D. None of the above
Answer: B
- Which of the following factors can affect the dose of a drug in both children and adults?
- A. Organ function
- B. Drug interactions
- C. Genetic factors
- D. All of the above
Answer: D
Pediatric dose calculations
- Which of the following formulas is used to calculate the pediatric dose of a drug based on age?
- A. Young’s rule
- B. Clark’s rule
- C. Cowling’s rule
- D. None of the above
Answer: A
- Young’s rule states that the pediatric dose of a drug is calculated as follows:
- A. Pediatric dose = Adult dose x (Child’s age in years / 150)
- B. Pediatric dose = Adult dose x (Child’s age in years / 100)
- C. Pediatric dose = Adult dose x (Child’s weight in kg / 70)
- D. None of the above
Answer: A
- Clark’s rule states that the pediatric dose of a drug is calculated as follows:
- A. Pediatric dose = Adult dose x (Child’s weight in kg / 70)
- B. Pediatric dose = Adult dose x (Child’s age in years / 150)
- C. Pediatric dose = Adult dose x (Child’s body surface area in m2 / 1.73)
- D. None of the above
Answer: C
- Cowling’s rule states that the pediatric dose of a drug is calculated as follows:
- A. Pediatric dose = Adult dose x (Child’s age in years / 150)
- B. Pediatric dose = Adult dose x (Child’s weight in kg / 70)
- C. Pediatric dose = Adult dose x (Child’s body surface area in m2 / 1.73)
- D. Pediatric dose = Adult dose x (Child’s weight in kg / 1.73)
Answer: D
- Which of the following formulas is used to calculate the pediatric dose of a drug based on body surface area?
- A. Young’s rule
- B. Clark’s rule
- C. Cowling’s rule
- D. All of the above
Answer: D
MCQs
- Which of the following is NOT a factor affecting posology?
- A. Age
- B. Body weight
- C. Body surface area
- D. Time of day
Answer: D
- Which of the following is the MOST important factor in determining the dose of a drug in children?
- A. Age
- B. Body weight
- C. Body surface area
- D. None of the above
Answer: A
- Which of the following factors can affect the dose of a drug in both children and adults?
- A. Organ function
- B. Drug interactions
- C. Genetic factors
- D. All of the above
Answer: D
- Which of the following formulas is used to calculate the pediatric dose of a drug based on age?
- A. Young’s rule
- B. Clark’s rule
- C. Cowling’s rule
- D. None of the above
Answer: A
- Young’s rule states that the pediatric dose of a drug is calculated as follows:
- A. Pediatric dose = Adult dose x (Child’s age in years / 150)
- B. Pediatric dose = Adult dose x (Child’s age in years / 100)
- C. Pediatric dose = Adult dose x (Child’s weight in kg / 70)
- D. None of the above
Answer: A
- Clark’s rule states that the pediatric dose of a drug is calculated as follows:
- A. Pediatric dose = Adult dose x (Child’s weight in kg / 70)
- B. Pediatric dose = Adult dose x (Child’s age in years / 150)
- C. Pediatric dose = Adult dose x (Child’s body surface area in m2 / 1.73)
- D. None of the above
Answer: C
- Cowling’s rule states that the pediatric dose of a drug is calculated as follows:
- A. Pediatric dose = Adult dose x (Child’s age in years / 150)
- B. Pediatric dose = Adult dose x (Child’s weight in kg / 70)
- C. Pediatric dose = Adult dose x (Child’s body surface area in m2 / 1.73)
- D. Pediatric dose = Adult dose x (Child’s weight in kg / 1.73)
Answer: D
- Which of the following formulas is used to calculate the pediatric dose of a drug based on body surface area?
- A. Young’s rule
- B. Clark’s rule
- C. Cowling’s rule
- D. All of the above
Answer: D
- A 2-year-old child weighing 10 kg needs to be given a drug that is dosed at 10 mg/kg/day. What is the total daily dose of the drug for this child?
- A. 100 mg
- B. 200 mg
- C. 300 mg
- D. 400 mg
Answer: B
- A 10-year-old child with a body surface area of 1.2 m2 needs to be given a drug that is dosed at 5 mg/m2/day. What is the total daily dose of the drug for this child?
- A. 6 mg
- B. 12 mg
- C. 18 mg
- D. 24 mg
Answer: C
- Which of the following factors is LEAST important in determining the dose of a drug in adults?
- A. Age
- B. Body weight
- C. Body surface area
- D. Liver function
Answer: A
- Which of the following drugs is most commonly dosed based on body surface area?
- A. Chemotherapy drugs
- B. Antibiotics
- C. Pain relievers
- D. Antidepressants
Answer: A
- A 60-year-old adult with a body surface area of 1.7 m2 needs to be given a chemotherapy drug that is dosed at 150 mg/m2/day. What is the total daily dose of the drug for this adult?
- A. 255 mg
- B. 315 mg
- C. 375 mg
- D. 435 mg
Answer: C
- Which of the following is NOT a potential risk of overdosing on a drug?
- A. Toxicity
- B. Death
- C. Side effects
- D. Cure
Answer: D
- Which of the following is NOT a potential risk of underdosing on a drug?
- A. Ineffectiveness
- B. Increased risk of infection
- C. Delayed recovery
- D. Death
Answer: D
- Which of the following is the best way to minimize the risk of drug dosing errors?
- A. Always double-check your calculations
- B. Use a calculator whenever possible
- C. Ask a colleague to check your work
- D. All of the above
Answer: D
- Which of the following is NOT a sign of a drug overdose?
- A. Nausea and vomiting
- B. Drowsiness and confusion
- C. Increased heart rate and blood pressure
- D. All of the above are signs of a drug overdose
Answer: D
- Which of the following is NOT a sign of a drug underdose?
- A. Ineffective pain relief
- B. Persistent infection
- C. Delayed wound healing
- D. All of the above can be signs of a drug underdose
Answer: D
- Which of the following is NOT a way to prevent drug dosing errors?
- A. Use clear and concise labeling
- B. Store medications in their original containers
- C. Use standardized dosing devices
- D. Give medications at the wrong time of day
Answer: D
- Which of the following is the best way to report a drug dosing error?
- A. To your supervisor
- B. To the pharmacy
- C. To the patient’s doctor
- D. To all of the above
Answer: D
- Which of the following is NOT a type of drug dosing error?
- A. Omission error
- B. Commission error
- C. Transcription error
- D. Calculation error
Answer: C
- Which of the following is the most common type of drug dosing error?
- A. Omission error
- B. Commission error
- C. Transcription error
- D. Calculation error
Answer: A
- Which of the following factors is MOST likely to contribute to a drug dosing error?
- A. Distractions
- B. Fatigue
- C. Lack of training
- D. All of the above
Answer: D
- Which of the following is the best way to avoid distractions when administering medications?
- A. Find a quiet place to work
- B. Avoid multitasking
- C. Close your phone and other electronic devices
- D. All of the above
Answer: D
- Which of the following is the best way to avoid fatigue when administering medications?
- A. Get enough sleep
- B. Take breaks throughout the shift
- C. Avoid working overtime
- D. All of the above
Answer: D
- Which of the following is the best way to ensure that you are properly trained to administer medications?
- A. Complete all required training programs
- B. Ask questions if you are unsure about anything
- C. Observe other experienced nurses administering medications
- D. All of the above
Answer: D
- Which of the following is the best way to check your work when administering medications?
- A. Double-check your calculations
- B. Ask a colleague to check your work
- C. Use a barcode scanner to verify the medication and dose
- D. All of the above
Answer: D
- Which of the following is the best way to report a drug dosing error?
- A. To your supervisor
- B. To the pharmacy
- C. To the patient’s doctor
- D. To all of the above
Answer: D
- Which of the following is the best way to apologize to a patient who has been harmed by a drug dosing error?
- A. Be sincere and honest
- Explain what happened and how it will be prevented in the future
- Offer your support to the patient and their family
- All of the above
Answer: D
- Which of the following is the best way to learn from a drug dosing error?
- A. Identify the root cause of the error
- B. Develop and implement strategies to prevent the error from happening again
- C. Share the learning with others
- D. All of the above
Answer: D
- Which of the following is NOT a benefit of learning from drug dosing errors?
- A. Improved patient safety
- B. Reduced costs
- C. Increased staff satisfaction
- D. Increased risk of future errors
Answer: D
- Which of the following is a barrier to learning from drug dosing errors?
- A. Fear of blame
- B. Lack of time
- C. Lack of resources
- D. All of the above
Answer: D
- What is the first step in learning from a drug dosing error?
- A. Identify the error
- B. Investigate the root cause of the error
- C. Develop and implement strategies to prevent the error from happening again
- D. Share the learning with others
Answer: A
- Which of the following is NOT a way to investigate the root cause of a drug dosing error?
- A. Interview the staff involved
- B. Review the patient’s medical records
- C. Observe the medication administration process
- D. Blame the staff involved
Answer: D
- Which of the following is NOT a way to prevent drug dosing errors from happening again?
- A. Implement standardized medication administration procedures
- B. Use barcode scanners to verify medication and dose
- C. Provide training to staff on medication safety
- D. Punish staff who make medication errors
Answer: D
- Which of the following is the best way to share the learning from a drug dosing error with others?
- A. Write a report on the error and distribute it to staff
- B. Present the case at a staff meeting
- C. Publish the case in a professional journal
- D. All of the above
Answer: D
- Which of the following is NOT a role of the nurse in learning from drug dosing errors?
- A. Identifying errors
- B. Reporting errors
- C. Investigating errors
- D. Prescribing medications
Answer: D
- Which of the following is NOT a role of the pharmacist in learning from drug dosing errors?
- A. Reviewing prescriptions for errors
- B. Dispensed medications correctly
- C. Educating patients about their medications
- D. Investigating errors
Answer: D
- Which of the following is NOT a role of the healthcare organization in learning from drug dosing errors?
- A. Providing training to staff on medication safety
- B. Implementing standardized medication administration procedures
- C. Creating a culture of safety where staff feel comfortable reporting errors
- D. Punishing staff who make medication errors
Answer: D
- Which of the following is the best way to create a culture of safety where staff feel comfortable reporting drug dosing errors?
- A. Encourage staff to report errors without fear of blame
- B. Provide support to staff who make errors
- C. Learn from errors and implement strategies to prevent them from happening again
- D. All of the above
Answer: D
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