Nu 150 exam 1 Galen College Study Guide with Complete Solutions

Nu 150 exam 1 Galen College Study Guide with Complete Solutions What is Pharmacology - Answer️️ -the study of drugs and their interactions with living systems 3 different drug names - Answer️️ -Generic, Trade, and Chemical Pharmacokinetic phase - Answer️️ -Activities within body after drug is administered. Absorption, distribution, metabolism, excretion, and half life Pharmacodynamic phase - Answer️️ -what the drug does to the body Half life - Answer️️ -time required for the body to eliminate 50% of a drug- short life= more frequent doses Longer half life= less frequent doses CAUTION WITH PTS WITH LIVER AND OR KIDNEY DISEASE- Takes linger to get rid of drugs Pharmaceutic Phase - Answer️️ -Dissolution of the drug Drug action - Answer️️ -Enters systemic circulation Exposes body tissue to effects of drug Certain drugs may have affinity for certain organs or tissues Greatest action at cellular level on these sites (target sites) ©SOPHIABENNETT@ Monday, August 19, 2024 12:35 AM Page 2 of 15 Agonist - Answer️️ -Drugs that bind with receptor to produce a therapeutic response Antagonist - Answer️️ -Blocks drug; Join with receptors to prevent action of agonist; Narcan blocks effects of morphine overdose Adverse drug reactions - Answer️️ -undesirable drug effects Anaphylactic shock - Answer️️ -Severe allergic reaction- requires immediate medical attention- nurse- check in pts allergies especially when giving antibiotics, narcotics, and blood products Signs and symptoms of Anaphylactic shock - Answer️️ -QUICK ONSET mild itching rash burning skin vascular dilation generalized edema especially around face and lips pallor/cyanosis dizziness/fainting sneezing/tightness in chest/cough WHEEZING Tachycardia Angioedema - Answer️️ -Collections of fluid in the Sub Q tissues ©SOPHIABENNETT@ Monday, August 19, 2024 12:35 AM Page 3 of 15 Drug Idiosyncrasy - Answer️️ -any unusual or abnormal response that differs from the response normally expected to a specific drug and dosage- Example= sleeping pills make you stay awake Cumulative Effect - Answer️️ -condition that occurs when the body cannot metabolize a drug before additional doses are administered Toxic Reaction - Answer️️ -Occurs with increased dose of meds or when blood concentration levels exceed therapeutic level. Example- kidneys not working properly so can't excrete or liver not metabolizing meds properly. Nurse= maybe monitoring blood levels. Should know s/s of toxicity with certain drugs. Report toxic levels to MD Factors influencing drug response - Answer️️ -Age, weight, sex, disease, route of administration Nursing Implications about drug administration - Answer️️ -Be knowledgeable about meds. When in doubt. Seek help- Drug errors - Answer️️ -any incident in which a patient receives the wrong dose, wrong drug, drug by the wrong route, or drug given at the wrong time- notify MD first. Happens with you don't question I clear orders. Do not verify calculations. ALWAYS listen to pt. They know what their meds look like and may question unusual pills. ONE TASK AT A TIME! ONE PT AT A TIME ©SOPHIABENNETT@ Monday, August 19, 2024 12:35 AM Page 4 of 15 General principles of drug administration - Answer️️ -Always know about drug giving, reason you are giving, action, common adverse reactions, precautions in administration, and normal doses give. Preparing drugs for administration - Answer️️ -Wash hands Prepare in quite place Don't touch the pills Be alert for drugs with similar names Check label 3 times Sub Q route - Answer️️ -Volume= 0.5-1 mL Sites= upper arms, upper abdomen, upper ba