TESTING FOR EXAM PTCB QUESTIONS
AND ANSWERS WITH VERIFIED
SOLUTIONS 100% CORRECT RATED A+
NEWLY UPDATED 2025
A pharmacy technician received a prescription with the following sig: "1 supp
PRN nausea / vomiting". What is the route of administration?
By mouth
By rectum
By ear
Transdermal - ANSWER✔✔Answer: By rectum
Reason: The "supp" abbreviation stands for suppository. Suppository is a solid
preparation that is intended to be inserted in the rectum or vagina.
Which of the following vitamins would reduce the effectiveness of warfarin?
Vitamin A
Vitamin C
Vitamin D
Vitamin K - ANSWER✔✔Answer: Vitamin K
Reason: Warfarin is a blood thinner, which works by competitively inhibiting
Vitamin K epoxide reductase complex 1 (VKORC-1). Vitamin K, on the other
hand, helps with blood clotting. Vitamin K reduces the effect of warfarin by
causing blood to clot faster.
A patient's prescription of warfarin is therefore adjusted to how much Vitamin K
they consume in a day - so it is important that they consume the same amount of
Vitamin K each day (through supplements and foods containing Vitamin K,
especially green leafy vegetables) in order for warfarin to be therapeutic.
Naloxone is an antidote for opioid overdose. The mechanism of action of naloxone
to the opioid is an example of ______.
Addiction
Antagonism
,Synergism
Potentiation - ANSWER✔✔Answer: Antagonism
Reason: Antagonism is defined as the action of one drug counteracting the action
of the other drug.
What is the beyond-use-date of a Novolog® vial after it is opened and punctured?
24 hours
7 days
14 days
28 days - ANSWER✔✔Answer: 28 days
Reason: A Novolog® vial is a multi-dose vial. After the initial puncture,
Novolog® is good at room temperature for 28 days.
St. John's Wort is contraindicated with which of the following medications?
Carvedilol
Hydrocodone
Fluoxetine
Lisinopril - ANSWER✔✔Answer: Fluoxetine
Reason: Fluoxetine (Prozac®) is a selective serotonin reuptake inhibitor (SSRI).
Both St. John's Wort and SSRIs are used for the treatment of depression by
increasing the level of serotonin.
Concomitant use of St. John's Wort and an SSRI can cause serotonin syndrome
where there is too much serotonin. Serotonin syndrome can cause mild symptoms
(such as diarrhea and shivering) to severe symptoms (such as muscle rigidity and
seizure). Left untreated, severe serotonin syndrome can lead to death.
Which of the following types of insulin is intermediate-acting?
Humulin N®
Novolog®
Novolin R®
Lantus® - ANSWER✔✔Answer: Humulin N®
, Reason: Novolog® is a rapid-acting insulin, Novolin R® is regular insulin,
Lantus® is a long-acting insulin, and Humulin N® is an intermediate-acting
insulin.
The efficacy of which of the following medications is decreased by oral ferrous
sulfate?
Levothyroxine
Morphine
Atorvastatin
Losartan - ANSWER✔✔Answer: Levothyroxine
Reason: Iron consumption reduces the absorption of levothyroxine, thus reducing
the effectiveness of levothyroxine. Levothyroxine and iron products should be
separated by at least 2-4 hours.
Which of the following tasks can be performed by a pharmacy technician?
Perform a third-party prior authorization
Advise patients on common side effects of over-the-counter products
Recommend diet and exercise regimens
Perform medication reconciliation - ANSWER✔✔Answer: Perform a third-party
prior authorization
Reason: Patient counseling is solely performed by pharmacists, along with
medication reconciliation and medication therapy management.
What is the drug class of nortriptyline?
Tricyclic antidepressants (TCAs)
Selective serotonin reuptake inhibitors (SSRIs)
Serotonin-norepinephrine reuptake inhibitor (SNRIs)
Monoamine oxidase inhibitors (MAOIs) - ANSWER✔✔Answer: Tricyclic
antidepressants (TCAs)
Reason: Nortriptyline is a tricyclic antidepressant that is indicated to treat
depression and anxiety, and to aid smoking cessation.
__________ is a Schedule II narcotic.
AND ANSWERS WITH VERIFIED
SOLUTIONS 100% CORRECT RATED A+
NEWLY UPDATED 2025
A pharmacy technician received a prescription with the following sig: "1 supp
PRN nausea / vomiting". What is the route of administration?
By mouth
By rectum
By ear
Transdermal - ANSWER✔✔Answer: By rectum
Reason: The "supp" abbreviation stands for suppository. Suppository is a solid
preparation that is intended to be inserted in the rectum or vagina.
Which of the following vitamins would reduce the effectiveness of warfarin?
Vitamin A
Vitamin C
Vitamin D
Vitamin K - ANSWER✔✔Answer: Vitamin K
Reason: Warfarin is a blood thinner, which works by competitively inhibiting
Vitamin K epoxide reductase complex 1 (VKORC-1). Vitamin K, on the other
hand, helps with blood clotting. Vitamin K reduces the effect of warfarin by
causing blood to clot faster.
A patient's prescription of warfarin is therefore adjusted to how much Vitamin K
they consume in a day - so it is important that they consume the same amount of
Vitamin K each day (through supplements and foods containing Vitamin K,
especially green leafy vegetables) in order for warfarin to be therapeutic.
Naloxone is an antidote for opioid overdose. The mechanism of action of naloxone
to the opioid is an example of ______.
Addiction
Antagonism
,Synergism
Potentiation - ANSWER✔✔Answer: Antagonism
Reason: Antagonism is defined as the action of one drug counteracting the action
of the other drug.
What is the beyond-use-date of a Novolog® vial after it is opened and punctured?
24 hours
7 days
14 days
28 days - ANSWER✔✔Answer: 28 days
Reason: A Novolog® vial is a multi-dose vial. After the initial puncture,
Novolog® is good at room temperature for 28 days.
St. John's Wort is contraindicated with which of the following medications?
Carvedilol
Hydrocodone
Fluoxetine
Lisinopril - ANSWER✔✔Answer: Fluoxetine
Reason: Fluoxetine (Prozac®) is a selective serotonin reuptake inhibitor (SSRI).
Both St. John's Wort and SSRIs are used for the treatment of depression by
increasing the level of serotonin.
Concomitant use of St. John's Wort and an SSRI can cause serotonin syndrome
where there is too much serotonin. Serotonin syndrome can cause mild symptoms
(such as diarrhea and shivering) to severe symptoms (such as muscle rigidity and
seizure). Left untreated, severe serotonin syndrome can lead to death.
Which of the following types of insulin is intermediate-acting?
Humulin N®
Novolog®
Novolin R®
Lantus® - ANSWER✔✔Answer: Humulin N®
, Reason: Novolog® is a rapid-acting insulin, Novolin R® is regular insulin,
Lantus® is a long-acting insulin, and Humulin N® is an intermediate-acting
insulin.
The efficacy of which of the following medications is decreased by oral ferrous
sulfate?
Levothyroxine
Morphine
Atorvastatin
Losartan - ANSWER✔✔Answer: Levothyroxine
Reason: Iron consumption reduces the absorption of levothyroxine, thus reducing
the effectiveness of levothyroxine. Levothyroxine and iron products should be
separated by at least 2-4 hours.
Which of the following tasks can be performed by a pharmacy technician?
Perform a third-party prior authorization
Advise patients on common side effects of over-the-counter products
Recommend diet and exercise regimens
Perform medication reconciliation - ANSWER✔✔Answer: Perform a third-party
prior authorization
Reason: Patient counseling is solely performed by pharmacists, along with
medication reconciliation and medication therapy management.
What is the drug class of nortriptyline?
Tricyclic antidepressants (TCAs)
Selective serotonin reuptake inhibitors (SSRIs)
Serotonin-norepinephrine reuptake inhibitor (SNRIs)
Monoamine oxidase inhibitors (MAOIs) - ANSWER✔✔Answer: Tricyclic
antidepressants (TCAs)
Reason: Nortriptyline is a tricyclic antidepressant that is indicated to treat
depression and anxiety, and to aid smoking cessation.
__________ is a Schedule II narcotic.
