PEBC EVALUATING 2025 NEWEST EXAM 2 VERSIONS
WITH 150 QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT) /ALREADY GRADED A+
Time it takes for amount of drug to fall to half of its value,
constant in first order kinetics (majority of drugs)
.....ANSWER.....Half-life (T1/2)
Inducers of Cytochrome P450 (CYP450) (4)
.....ANSWER.....Barbiturates
Phenytoin
Carbamazepine
Rifampin
Inhibitors of CYP450 .....ANSWER.....Cimetidine
Ketoconazole
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Erythromycin
Isoniazid
Grapefruit
Their MOA utilizes intracellular receptors: .....ANSWER.....Thyroid
and steroid hormones
This compound's MOA utilizes transmembrane receptors:
.....ANSWER.....Insulin
Antidote used for organophosphate/anticholinesterase
.....ANSWER.....Atropine, pralidoxime (2-PAM)
Antidote used for acetaminophen (APAP) toxicity
.....ANSWER.....N-acetylcysteine
Antidote used for heparin toxicity .....ANSWER.....Protamine
Sulfate
Antidote used for warfarin toxicity .....ANSWER.....Vitamin K and
Fresh frozen plasma (FFP)
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Antidote for tissue plasminogen activator (t-PA), streptokinase
.....ANSWER.....Aminocaproic acid
Antidote used for opioid toxicity .....ANSWER.....Naloxone (IV),
naltrexone (PO)
Antidote used for benzodiazepine toxicity
.....ANSWER.....Flumazenil
Interaction with this drug requires dose reduction of 6-MP(6-
mercaptopurine) .....ANSWER.....Allopurinol
May protect against doxorubicin cardio-toxicity by chelating iron
.....ANSWER.....Dexrazoxane
Blows DNA (breaks DNA strands), limiting SE is pulmonary
fibrosis .....ANSWER.....Bleomycin
Binds tubulin and prevents the disassembly of microtubules during
the M phase of the cell cycle inducing mitotic arrest
.....ANSWER.....Paclitaxel (taxol)
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Anti-estrogen used for estrogen receptor + breast cancer
.....ANSWER.....Tamoxifen
Anti-emetics used in association with anti-cancer drugs that are
5-HT3 (serotonin receptor subtype ) antagonist
.....ANSWER.....Odansetron
Granisetron
Dolasetron
Palonosetron
Hormone inhibiting prolactin release .....ANSWER.....Dopamine
ACTH analog used for diagnosis of patients with corticosteroid
abnormality .....ANSWER.....Cosyntropin
Synthetic analog of ADH hormone used for diabetes insipidus
and nocturnal enuresis .....ANSWER.....Desmopressin (DDAVP)
Most widely used thyroid drugs such as Synthroid and Levoxyl
contain .....ANSWER.....L-thyroxine (T4)