click below
click below
Normal Size Small Size show me how
test 1-3
pht 101 test 1-3
Question | Answer |
---|---|
When this drug is dispensed, a "Do not drink alcohol" sticker must be attached to the container of | metronidazole (Flagyl) |
Which of the following drugs is classified as a macrolide? | erythromycin |
What phase of clinical trials is carried out after the drug has been approved for marketing? | phase IV |
What term is used to describe the study of drugs on living systems? | pharmacology |
What does bioavailability reflect? | the fraction of an administered dose that is available to the target tissue |
What is the study of the activity of drugs within the body known as? | pharmacokinetics |
How do penicillins work? | They prevent bacteria from forming their rigid cell wall. |
Which of the following antifungal drugs should be taken with a fatty meal and can be used safely in children? | griseofulvin (Fulvicin PIG) |
Why might a dentist prescribe amoxicillin? | to provide prophylaxis for patients with endocarditis |
How do third generation cephalosporins differ from earlier cephalosporins? | improved activity against gram negative bacteria |
How does grapefruit juice interact with certain drugs? | It contains a compound that can inhibit intestinal cytochrome P 450, allowing more drug to be absorbed into the bloodstream. |
What was the first true class of antibiotics? | sulfonamides |
Bactrim | comes in SS, DS, liquid ( 200mg 40mg/5 ml) |
Cipro | 500 mg po BID |
Amoxicillin | 500 mg po TID |
Zithromax | Take 2 tablets po now then 1 every day |
What is the mechanism of action of quinolones? | They antagonize the enzyme responsible for coiling and replicating DNA. |
Which of these is a brand name drug for a sulfonamide? | Bactrim |
Which of the following anticonvulsants is a DEA scheduled controlled substance? | diazepam (Valium) |
Which of the following is an OTC expectorant available in caplet, capsule, liquid, syrup, tablet, and sustained release forms? | guaifenesin (Mucinex) |
What are the most common side effects of antiseizure medications? | sedation and some degradation of cognitive processes |
What term is used to describe continuous tonic-clonic seizures, lasting over 30 minutes, during which consciousness may not return? | status epilepticus |
What class of drugs may be used to treat migraine headaches? | triptans |
What dopamine precursor is used to treat Parkinson patients? | levodopa (Dopar) |
Which type of receptor increases the heart rate? | beta 1 receptors |
Which of the following antianxiety drugs is not a benzodiazepine? | buspirone (BuSpar) |
Which drug used to treat depression is also used for smoking cessation? | buproprion (Wellbutrin) |
Why might a prescribing physician prefer donepezil (Aricept) over tacrine (Cognex) for Alzheimer's disease? | Donepezil is given once a day. |
Which of the following antianxiety agents might a trembling bride and groom take prior to their wedding ceremony? | propranolol (Inderal) |
What combination drug contains levodopa plus an inhibitor of peripheral levodopa metabolism? | Sinemet |
alprazolam | 0.5 mg |
zolpidem | 10 mg |
buproprion | 150 mg |
fentanyl | 50 mcg/hr |
Which of the following drugs is only indicated for long term maintenance therapy of bronchospasms associated with emphysema and bronchitis? | tiotropium (Spiriva) |
Which respiratory medication listed below is an inhaled corticosteroid? | fluticasone (Flonase, Flovent) |
Which class of diuretics should be prescribed with caution to patients on ACE inhibitors? | potassium sparing |
Which of the following drugs reduces cholesterol levels by inhibiting HMG CoA reductase, the enzyme that catalyzes the rate limiting step in the synthesis of cholesterol? | simvastatin (Zocor) |
Which of the following drug classes is not used to treat angina? | angiotensin II receptor antagonists |
digoxin | 0.125 mg |
furosemide | 40 mg |
naproxen | 375 mg |
metformin | 1000 mg |
What class of drugs is commonly used to treat benign prostatic hyperplasia (BPH)? | alpha adrenergic blockers |
Which of the following drugs is an inhibitor of angiotensin converting enzyme and is used to treat congestive heart failure and hypertension? | lisinopril (Prinivil, Zestril) |
Which of the following antihypertensive drugs binds to angiotensin II receptors and rarely causes coughing as an adverse effect? | valsartan (Diovan) |