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NPTE PT Pharm
Pharmocology aspects of PT
Question | Answer |
---|---|
Define Bioavailability | The percentage of medication that reaches systemic circulation |
Lists ways to absorb drug | Oral, Sublingual, Inhalation, Intramuscular, Subcutaneus, Intravenous, Transdermal (topical) |
Bio-factors that effect drug distribution within body | Blood flow, plasma protein binding, Blood Brain Barrier, Fat/muscle/other sites accumulation |
Define Elimination | Predicted rate of clearance of drug from body; the volume of drug that is cleared of a drug per unit time |
Define Half-life | The amount of time it takes plasma concentration to drop by 50% |
Define Agonists | endogenous substances, such as neurotransmitters or hormones, that bind with appropriate receptors to produce some effect (Have affinity & efficacy for site) |
Define Antagonists | Substances or drugs that fit into and bind with receptor sites to block the receptor & allow it not to become active (Have affinity for site but No efficacy) |
Side-effects of Aspirin | Gastrointestinal upset, nausea, gastritis |
Mechanism of Aspirin effects | Inhibits COX-cyclooxygenase enzyme & thus inhibits prostaglandin synthesis |
Mechanism of NSAID action | Non-selective COX-cyclooxygenase inhibitor; inhibits COX1 and COX 2 enzymes |
Side-effects of NSAID | Fluid retention, edema, some GI irritation |
Glucocorticosteroids Mechanism of action | Inhibit several parts of the inflammatory process including capillary dilation, edema formation, migration of leukocytes & macrophages to affected area |
Side-effects & Adverse Effects of Glucoccorticosteroids | Adrenal insufficiency, Immunosuppression, depression, anxiety, euphoria, "mood swings", Cushingoid state, fluid retention, hyperglycemia, osteoporosis, myopathy, GI disturbances |
Give an example of Anti-Rheumatic Drugs | Methotrexate, Embrel-(anti-cytokine) |
What disease is TNF or Anti-human tumor necrosis factor alpha directly involved with? | Rheumatoid Arthritis |
Where does Diazepam act? | Acts centrally in supraspinal centers & spinal interneurons |
Where does Zanaflex act? | Acts in spinal cord as adrenergic agent. |
Where does Orphenadrine (Norflex) act? | Acts at the level of brainstem or spinal cord |
Where does Baclofen act? | Acts to inhibit release of neurotransmitters in brain & spinal cord, especially substance P. |
Where does Dantrolene (Dantrium) act? | Acts locally on muscle fibers to block release of calcium |
Name some Muscle Relaxers | Diazepam, Zanaflex, Orphenadrine, Baclofen, Dantrium |
Name some Opiod Narcohttp://www.studystack.com/EditData2.jsp?saved&studyStackId=448428tics | Morphine, Codeine, Hydrocodone (Vicodin), Oxycodone (Percocet), Demerol, Dilaudid |
Name some Non-opiod Narcotics | Acetometaphine (Tylenol) |
List the Types Anti-hypertensive Medications | Diuretics, Beta-adrenergic Blockers, Calcium channel blockers, Apha-adrenergic Blockers |
What is the ultimate (desired) result of taking a Diuretic? | Decreased vascular resistance |
What are the side-effects of Diuretic medication? | Hyperglycemia (esp with Diabetes), Hypokalemia, Hyperuricemia (too much uric acid=gout), increase in LDL levels, Hypercalcemia |
What are the side-effects with Loop Diuretics? | Hypokalemia,Hypocalcemia, Hyperglycemia, Hyperuricemia |
When should Beta-Blockers be avoided? | With certain kinds of agina, all forms of COPD, & Diabetes Mellitus |
A patient has taken three Nitroglycerin tablets without relief. The next step for the therapist is to... | Immediately call EMS as the patient may be having a MI |
Mechanism of ACE inhibitor action | Inhibits conversion of angiotensin I & II thus inhibiting vascular smooth muscle |
Which medication is usually the first step in managing Left ventricular failure? | ACE Inhibitors |
List examples of Anti-coagulants | Warfarin, Coumadin, Heparin |
Why should aspirin not be used after acute athletic injury or trauma? | It prolongs clotting |
Anti-coagulants are used to treat? | DVT and acute MI |
Anti-Cholinergic drugs are used to treat which cardiac problems? | Heart Block & Bradycardia |
Beta-Blockers are used to treat which problems? | HTN & also allow for increased exercise tolerance |
Calcium channel blockers are used to treat which problems? | Atherosclerosis, Arrhythmias, Chest Pain |
Digoxin is used to treat which problems? | CHF & HTN |
Nitroglycerin is used to treat? | Angina |
Diuretics are used to treat which problems? | CHF & HTN |
Side-effects of Digoxin include... | Nausea, Vomiting, Pulse Irregularities, potential for toxicity |
Side-effects of calcium-channel blockers include? | Ischemic response due to reduced blood flow to heart muscle |
Side-effects of Opiod Narcotics? | Mental status changes, nausea & vomiting, postural hypotension |
Common Medication types used to treat Hypertension. | Diuretics, Beta-blockers, calcium channel blockers |
Common Medication types used to treat Heart Failure. | Ace-inhibitors, Digoxin, Vasodilators |