PTCB TEST 2 QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS
100% CORRECT LATEST UPDATED 2025
All except which of the following drugs should NOT be co-administered with
warfarin?
A. Verapamil
B. Ketoconazole
C. Erythromycin
D. Aspirin - ANSWER✔✔D. Aspirin
All these should NOT be co-administered with an SSRI expect?
A. Theophylline
B. Propranolol
C. Clozapine
D. None of the above - ANSWER✔✔D. None of the above
Which of the following is the mechanism of interaction between a PPI and
clopidogrel?
A. Formation of an unabsorbable complex in the gut
B. Competitive antagonism
C. Potentiation effect
D. Inhibition of metabolism - ANSWER✔✔D. Inhibition of metabolism
PPIs will increase the bioavailability of all except which of the following?
A. Diazepam
,B. Citalopram
C. Clopidogrel
D. Venlafaxine - ANSWER✔✔C. Clopidogrel
Which of the following dietary supplements will inhibit the therapeutic effect of
cisplatin?
A. Vitamin C
B. Licorice
C. Kava
D. Black cohosh - ANSWER✔✔D. Black cohosh
Iron tablets can be taken with which of the following fluids?
A. Milk
B. Orange juice
C. Kale smoothie
D. Coca-cola - ANSWER✔✔B. Orange juice
A patient on an MAOI should be careful in the consumption of all except which of
the following foods?
A. Cheese
B. Salami
C. Yogurt
D. Oranges - ANSWER✔✔D. Oranges
, Patients on cyclosporine, midazolam and psychotropics should be counseled on
their consumption of grapes and grapefruit juice. Which of the following best
describes the interaction of grapefruit on these drugs?
A. It blocks absorption
B. It induces metabolism
C. It inhibits metabolism
D. It antagonized drug receptors - ANSWER✔✔B. It induces metabolism
A patient on warfarin should be counseled on the moderate consumption of all
except which of the following vegetables?
A. Carrots
B. Brussels sprouts
C. Spinach
D. Parsley - ANSWER✔✔A. Carrots
A patient on an antihypertensive should be counseled on the use of licorice.
Licorice increases the risk of _______________.
A. Hyponatremia
B. Hyperkalemia
C. Hypokalemia
D. Hypocalcemia - ANSWER✔✔C. Hypokalemia
Regarding barcode technology in medication, which of the following is TRUE?
A. Barcode technology has been shown to reduce medication errors
B. Barcode readers may not be able to properly capture the image and scan the
barcode on certain objects
C. Drug products that have more than one barcode may cause scanning difficulty
ANSWERS WITH VERIFIED SOLUTIONS
100% CORRECT LATEST UPDATED 2025
All except which of the following drugs should NOT be co-administered with
warfarin?
A. Verapamil
B. Ketoconazole
C. Erythromycin
D. Aspirin - ANSWER✔✔D. Aspirin
All these should NOT be co-administered with an SSRI expect?
A. Theophylline
B. Propranolol
C. Clozapine
D. None of the above - ANSWER✔✔D. None of the above
Which of the following is the mechanism of interaction between a PPI and
clopidogrel?
A. Formation of an unabsorbable complex in the gut
B. Competitive antagonism
C. Potentiation effect
D. Inhibition of metabolism - ANSWER✔✔D. Inhibition of metabolism
PPIs will increase the bioavailability of all except which of the following?
A. Diazepam
,B. Citalopram
C. Clopidogrel
D. Venlafaxine - ANSWER✔✔C. Clopidogrel
Which of the following dietary supplements will inhibit the therapeutic effect of
cisplatin?
A. Vitamin C
B. Licorice
C. Kava
D. Black cohosh - ANSWER✔✔D. Black cohosh
Iron tablets can be taken with which of the following fluids?
A. Milk
B. Orange juice
C. Kale smoothie
D. Coca-cola - ANSWER✔✔B. Orange juice
A patient on an MAOI should be careful in the consumption of all except which of
the following foods?
A. Cheese
B. Salami
C. Yogurt
D. Oranges - ANSWER✔✔D. Oranges
, Patients on cyclosporine, midazolam and psychotropics should be counseled on
their consumption of grapes and grapefruit juice. Which of the following best
describes the interaction of grapefruit on these drugs?
A. It blocks absorption
B. It induces metabolism
C. It inhibits metabolism
D. It antagonized drug receptors - ANSWER✔✔B. It induces metabolism
A patient on warfarin should be counseled on the moderate consumption of all
except which of the following vegetables?
A. Carrots
B. Brussels sprouts
C. Spinach
D. Parsley - ANSWER✔✔A. Carrots
A patient on an antihypertensive should be counseled on the use of licorice.
Licorice increases the risk of _______________.
A. Hyponatremia
B. Hyperkalemia
C. Hypokalemia
D. Hypocalcemia - ANSWER✔✔C. Hypokalemia
Regarding barcode technology in medication, which of the following is TRUE?
A. Barcode technology has been shown to reduce medication errors
B. Barcode readers may not be able to properly capture the image and scan the
barcode on certain objects
C. Drug products that have more than one barcode may cause scanning difficulty