NURS 251 EXAM QUESTIONS AND ANSWERS. VERIFIED 2025/2026.

NURS 251 EXAM QUESTIONS AND
ANSWERS. VERIFIED 2025/2026.




Pharmacology - ANS The study of how chemicals and biological systems interact



Toxicology, Food sciences, agriculture, and medicine - ANS Where all is Pharmacology
included?



Natural Sources

Chemical Synthesis

Biotechnology - ANS What are the three main sources of drugs today?



Atropine - ANS From the roots of belladonna plant



Digitalis - ANS From the leavew of the purple foxglove



Morphine - ANS From the seeds of the opium poppy



Anticholinergic - ANS What category drug is Atropine



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,Local Anesthetic - ANS What category drug is Cocaine



Cardiac Agent - ANS What category drug is Digoxin



Sympathomimetic - ANS What category drug is Ephedrine



Analgesic - ANS What category drug is Morphine



Smooth Muscle Relaxant - ANS What category drug is Papaverine



Paraymphathomimetic - ANS What category drug is Pilocarpine



Atropa Belladonna - ANS What Plant produces Atropine



Erythroxylum Coca - ANS What Plant produces Cocaine



Digitalis Purpurea - ANS What Plant produces Digoxin



Ephedra Sinica - ANS What Plant produces Ephedrine



Papaver Somniferum - ANS What Plant produces Morphine



Papaver Somniferum - ANS What Plant produces Papaverine



Pilocarpus Jaborandi - ANS What plant produces Pilocarpine

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, Paclitaxel (Taxol) - ANS What drug is used to treat Breast Cancer?



Taxus baccata - ANS What is Paclitaxel (Taxol) derived from?



Hormones - ANS What do animals provide to drugs?



Porcine - ANS Drugs derived from Hogs/Pigs



Bovine - ANS Drugs derived from cattle



Calcium

Magnesium

Silver Salts - ANS Minerals contained in some drugs



Tums and Mylanta - ANS Two antacids that contain Calcium and Magnesium Hydroxides.



Silver Sulfadiazine (Silvadene) - ANS Antimicrobial agent used in dressings for burn patients
that contain silver salts



Synthetic Drug - ANS Drugs that are synthesized from laboratory chemicals



Semisynthetic Drugs - ANS Drugs that start with a natural substance that is extracted,
purified, and altered by chemical processes



Meperidine (Demerol) - ANS What is an example of a Synthetic Drug.

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