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Pharmacology - First
First Aid - Pharm 1
Question | Answer |
---|---|
28-year-old chemist presents ;with MPTP exposure. What neurotransmitter is depleted? | Dopamine. |
Woman taking tetracycline ;exhibits photosensitivity. | Rash on sun-exposed regions of ;the body. |
African-American man who ;goes to Africa develops a ;hemolytic anemia after taking ;malarial prophylaxis. | Glucose-6-phosphate ;dehydrogenase deficiency |
Farmer presents with dyspnea, ;salivation, miosis, diarrhea, ;cramping, and blurry vision. | Insecticide poisoning; inhibition of acetylcholinesterase. |
27-year-old female with a history of psychiatric illness now has urinary retention due to a neuroleptic. What do you treat it with? | Bethanechol. |
Patient with recent kidney ;transplant is on cyclosporine for ;immunosuppression. Requires ;antifungal agent for candidiasis. What antifungal drug would result in cyclosporine toxicity? | Ketoconazole. |
Patient is on carbamazepine. What routine workup should always be done? | LFTs. |
23-year-old female who is on ;rifampin for TB prophylaxis and ;on birth control (estrogen) gets ;pregnant. Why? | Rifampin augments estrogen ;metabolism in the liver, rendering it less effective. |
concentration after no. of half-lives | 1 - 50% ;2 - 75% ;3 - 87.5;3.3 - 90%;4 - 94% |
28 year old chemist presents with MPTP exposure What NT is depleted? | Dopamine |
Woman taking tetracycline exhibits photosensitivity What are the clinical manifestations? | Rash on sun-exposed regions of body |
Nondiabetic patient presents with hypoglycemia but low levels of C peptide What is the diagnosis | Surreptitious insulin injection |
African American male who goes to Africa develops hemolytic anemia after taking malaria prophylaxis What is the enzyme defficiency | Glucose 6 phosphate dehydrogenase |
27 year old female with history of psychiatric illness now has urinary retention due to neuroleptic What do you treat it with? | Bethanechol |
Farmer presents with dyspnea, salivation, miosis, diarrhea, cramping and blurry vision What caused this and what is the mechanism | Insecticide poisoning, inhibition of acetylcholinesterase |
Patient with recent kidney transplant is on cyclosporine for immunosuppresion, he requires antifungal agent for candidiasis What antifungal drug would result in cyclosporine toxicity? | Ketoconazole |
Man on several medications including antidepressants and antihypertensives, has mydriasis and becomes constipated What is the cause of symptoms? | TCA |
55 year old postmenopausal woman on tamoxifen therapy What is she at increased risk of acquiring? | Endometrial carcinoma |
Woman on MAO inhibitor has hypertensive crisis after meal What did she ingest? | Tyramine (wine or cheese) |
After taking clindamycin, patient develops toxic megacolon and diarrhea What is the mechanism of diarrhea? | Clostridium difficile overgrowth |
Man starts a medication for hyperlipidemia. He then develops rash, pruritus and GI upset What drug was it? | Niacin |
Patient is on carbamazepine What routine workup should be done? | LFT's |
23 year old female who is on rifampin for TB prophylaxis and on birth control (estrogen) gets pregnant Why? | Rifampin augments estrogen metabolism in liver rendering it less effective |
Patient develops cough and must discontinue captopril WHat is a good replacement drug and why doesnt it have the same side effects? | Losartan - an angiotensin II receptor antagonist, does not increase bradykinin as captopril does |
After 1 half life concentration of drug equals _ % | 0.5 |
After 2 half lifes concentration of drug equals_ | 0.75 |
A drug infused at constant rate reaches about _ % of steady state after 4 T1/2 | 94 |