Midterm Exam: Week 1, 2, 3 & 4
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1. Pharmacodynamics
: Answer What the drug does to the body
-3 Mechanisms of action
• Receptor
• Enzyme
• Nonselective Interactions
2. Enzymes
Answer
most frequently seen in relation to the metabolism of drugs
-act as catalysts in nearly every chemical reaction that takes place in the cells
,-drugs can enhance or inhibit the catalytic actions
3. Nonselective interactions
Answer
drugs chemically alter or physically interfere with cellular structures or there
processes
• ex: chemotherapy
4. Patient-specific plan goals
Answer
cure
-decrease in symptoms
-stopping or slowing the disease process
-preventing disease
-improved quality of life
5. Types of drug therapy
, Answer
acute
• tx active disease & sustain life
-maintenance
• focus on prevention of disease progression
-supplemental
• medication required for normal body function
-palliative
• any tx program designed to provide symptomatic relief of chronic severe
pain
-supportive
• maintains integrity of body functions
, -prophylactic
• prevention; immunizations, pre-procedure & postexposure antibiotics
-empiric
• clinical probability of illness that has not yet been diagnosed; administering
broad spectrum antibiotics before culture results
6. Idiosyncratic effects
Answer: unexpected individual responses to medications
7. Tolerance:
Answer declining response to a drug
8. Dependence
Answer: physiologic or psychologic need for a substance
9. NIH: dependence vs addiction