Term
Activation of what adrenergic receptor is useful for asthma? |
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Definition
B receptors - particularly B2 |
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Term
Why are Beta Adrenergic Agonists not effective by themselves in treathment of asthma? |
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Definition
Only cause bronchodilation, not antinflammatory effect |
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Term
In what disease states are Beta Adrenergic Agonists problematic? |
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Definition
Acute asthma attacks (long-acting); cardiac disease (tachycardia); seizures (stimulant); anti-depressants (additive effect); DM (hyperglycemia) |
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Term
How does Ipratropium differ from Salmeterol? |
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Definition
Ipratropium is a muscarinic antagonist with fewer side effects (only anticholinergic), but slower than B andrenergic drugs |
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Term
How does Albuteral differ from Salmeterol? |
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Definition
Both are B adrenergic agonists. Albuterol's is in 3 minutes; while Salmeterol requires 30 minutes. Albuterol would be used in acute asthma attacks. |
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Term
Proper procedure for inhaler use |
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Definition
Shake container > Sit upright > Deep breath > Exhale completely > Position just outside mouth > Inhale slowly as dose > Inspire as deeply as possible (3-5s) > Hold inspiration {10s} > Exhale > Wait 2-3 min before next dose > Rinse mouth/equipment |
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Term
Why aren't Methylxanthines used much today? |
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Definition
Narrow therapuetic range. Interfere with many drugs. Stimulant. |
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Term
Major drug classification of therapy for maintenance/prevention of asthma? |
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Definition
Steriods = Inhaled glucocorticoids |
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Term
What role do steroids play with asthma? |
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Definition
Antinflammation. Sensitize receptor to B agonists. Inhibits neutrophils/ eosinophils/ histamine/ leukotrienes/ prostaglandins |
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Term
Why are topical steroids preferred in asthma therapy? |
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Definition
Decreased systemic effects compared to PO. Maintenance. |
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Term
Why aren't steroids used in acute attacks? |
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Definition
May take 4-6 weeks for full effect. Maintenance drug for antinflammation. Not rapid-acting. |
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Term
What are concerns related to systemic steroids? |
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Definition
Hypokalemia (Na/H2O retention); DM (hyperglycemia); Osteoporosis (suppressed osteoblasts); PUD (inhibit prostaglandins); infection (blunt inflammatory response); candidiasis |
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Term
How do Leukotriene Modifiers and Mast Cell Stabilizers help manage asthma? |
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Definition
Block leukotrienes responsible for edema/inflammation/bronchoconstricion/mucous production. Stabilize mast cells to decrease histamine release. Minimize inflammation. Used for prevention of asthma. |
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Term
Leudotriene Modifiers are metabolized extensivley by the liver... Concern? |
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Definition
Sxs of hepatic compromise. Monitor LFTs. |
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Term
What added concern for elderly using Leukotriene Modifiers? |
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Definition
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Term
MOA of Mast Cell Stabilizers |
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Definition
Stabilize mast cells. Decrease histamine release. Similar to leukotriene modifier MOA. Minimize inflammatory response. Preventative. |
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Term
Which therapies are useful in COPD? |
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Definition
Inhaled anticholinergic/antihistamine (Ipatropium/Atrovent). |
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Term
What should be taught to all clients using respiratory drugs? |
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Definition
Use B agonist first to dilate bronchioles, then use glucosteroid for antinflammation. Check lung capacity daily. Proper administration technique. Multiple drug regimen. Minimal symptoms/exacerbation/emergency incidents. Decrease long-term remodeling. |
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Term
How are antihistamines effective in the treatment of rhinitis? |
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Definition
Block histamine-1 receptors. Prevent inflammatory response. |
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Term
What significant side effects are associated with antihistamines? |
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Definition
Sedation (1st gen), anticholinergic, photsensitivity, GI upset, HA |
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Term
How do first and second generation antihistamines differ? |
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Definition
Second generation do NOT cross the blood-brain barrier, so decreased CNS depression. Therefore, less sedation/drowsiness. Second generation are more expensive. |
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Term
When are antihistamines contraindicated? |
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Definition
Anticholinergic, CNS depression (1st gen), seizures |
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Term
Antihistamine pt education |
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Definition
Anticholinergic side effects. No OTCs/ETOH. May cause drowsiness (1st gen) |
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Term
How do glucocorticoids work to treat rhinitis and asthma? |
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Definition
Anti-inflammatory = inhibit neutrophils/leukotrienes/histamine/prostaglandins. Sensitize receptors to B agonists. |
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Term
Proper procedure for nasal spray |
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Definition
Blow nose > Shake container > Do not swallow dose > Administer decongestant first > Don't blow nose after. |
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Term
How long will it take steroids to reach maximum effect? |
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Definition
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Term
The activation of which adrenergic receptor is useful for treating nasal congestion? |
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Definition
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Term
What contraindications are there for the activation of A1 recptors? |
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Definition
hyperthyroidism, HTN, DM, CV disease, caution in BPH, excoriated nares |
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Term
What is the biggest concern for intranasal dispensing of decongestants? |
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Definition
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Term
How long should intranasal dispensing decongestants be used for? |
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Definition
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Term
How do opioids and antitussives work to relieve coughing? |
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Definition
Blunt cough centers in CNS |
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Term
Should a cough always be surpressed? |
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Definition
No. Necessary to move secretions out of lungs. |
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Term
How long should a person use an OTC antitussive? |
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Definition
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Term
What is the difference between mucolytic and expectorant? |
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Definition
Mucolytic = Disrupts molecular structure of mucous and acts as a detergent. Expectorant = Changes surface tension of mucous to liquefy secretions. |
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Term
Besides being a mucolytic, what therapeutic use does acetylcysteine have? |
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Definition
Antidote for acetaminiphine OD. Prevents tylenol from binding to hepatocytes. |
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Term
What is the source of releasing hormones? |
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Definition
Ultimately the hypothalamus... > pituitary gland > target organ |
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Term
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Definition
GH deficiency, short stature |
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Term
Somatropin contraindications |
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Definition
closed epiphyses, obesity |
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Term
What monitoring tests are required for somatropin therapy? |
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Definition
height, weight, glucose tolerance, thyroid function |
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Term
What is the function of ADH? |
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Definition
Stimulate water retention by the kidneys |
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Term
What are the indications for vasopressin (Pitressin)? |
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Definition
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Term
What monitoring should be done for a pt taking vasopressin? |
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Definition
BP, CRT, chest pain, palpitations, thirst, SG, I/O, weight, edema, electrolytes, Na, HA, MS, seizures |
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Term
Vasopressin contraindications |
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Definition
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Term
What element is essential for thyroid function? |
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Definition
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Term
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Definition
weight gain, cold intolerance, bradycardia, fatigue, poor concentration, constipation, brittle hair, edema, mestrual spotting |
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Term
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Definition
weight loss, heat intolerance,tachycardia, palpitations, agitation/fatigue, diarrhea/constipation, fine hair, exophthalamus, absent menses |
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Term
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Definition
Severed hypothyroidism in adulthood |
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Term
Which synthetic thyroid hormone is most likely to be used for thyroid replacement? |
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Definition
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Term
What are the risks for children who dod not make thyroid hormone? |
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Definition
Cretinism. TH required by every cell of body. Affect CNS development > retardation. |
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Term
In what conditions is TRT contraindicated? |
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Definition
adrenal insufficiency, hyperthyroidism |
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Term
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Definition
weight, VS, TFTs, cholesterol, sxs hypothyroidism/hyperthyroidism |
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Term
How long does it take for TRT to take effect? |
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Definition
4-6 weeks to reach therapeutic range |
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Term
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Definition
Overactive thyroid. Goiter. |
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Term
Prototype antithyroid drug? |
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Definition
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Term
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Definition
Inhibits conversion T4 to T3 in target tissues |
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Term
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Definition
Hypothyroidism, BMD, hepatotoxicity |
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Term
3 categories of adrenal hormones |
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Definition
Gonadocorticoids, mineralcorticoids, glucocorticoids |
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Term
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Definition
reproduction, secondary sex characteristics |
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Term
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Definition
fluid/electrolyte status per BP |
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Term
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Definition
Ability adapt to stress, BP, glucose, immunity, inflammatory response |
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Term
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Definition
Fludrocortisone (Florinef) |
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Term
Fludrocortisone (Florinef) indication |
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Definition
Primary HTN, additional water retaining effect in persons with Addison's disease |
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Term
Prednisone (Deltasone) indication |
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Definition
long-term therapeutic anti-inflammatory, immune, hypersensitivity, Addison's disease replacement, hypercalcemia, transplants, cancer |
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Term
Hydrocortisone (Cortef) indication |
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Definition
replacement in Addison's, acute inflammatory/allergic reactions |
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Term
Why must glucocorticoid therapy be tapered? |
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Definition
Cause adrenal criss = addison's disease |
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Term
Advantage using glucocorticoid without mineralcorticoid effect? |
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Definition
Lessen side effects of HTN, water retention, hypokalemia because no fluctuate electrolyte/fluid status |
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Term
How does alternate day dosing benefit pt receiving therapeutic glucocorticoids? |
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Definition
Prevents atropy of adrenal gland, which occurs with continuous circulation of adrenal hormones. |
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Term
Risks of long-term glucorticoid use |
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Definition
steroid-induced diabetic, Cushing's effect, infections, HTN, PUD, osteoporosis, phychoses, hypokalemia |
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Term
Dietary modifications for glucocorticoids |
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Definition
Minimize salt, increase K, sxs hypoglycemia, |
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Term
How do steroids affect appearance? |
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Definition
muscle wasting, poor wound healing, phychoses, thinning skin, vessel fragility, cataracts, moon face, facial hair, blunt growth, increase fatty deposition |
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Term
Onset of action for regular insulin? |
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Definition
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Term
Peak action of regular insulin |
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Definition
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Term
How do novolog and humalog differ from regular insulin? |
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Definition
All rapid acting. But novolog and humalog have quicker onset at 10-15 minutes compared to 30 minutes for regular insulin. |
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Term
In what order should insulin be drawn when mixing types? |
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Definition
Draw rapid-acting first, then long-acting. Only contaminat long-acting. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
rapid-acting = novolog, humalog, humalin R |
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Term
Unique about glargine insuline? |
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Definition
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Term
Why do we need to know the onset of action of insulin? |
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Definition
Help plan around meal times so stabilized blood sugar upon eating |
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Term
Why do we need to know the peak of aciton of insulin? |
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Definition
Most at risk for hypoglycemia. Give snack and monitor. |
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Term
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Definition
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Term
How do we treat hypoglycemia? |
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Definition
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Term
How do we measure short-term glycemic control? |
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Definition
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Term
How do we measure long-term glycemic controL? |
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Definition
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Term
Which OHA stimulates insulin release from pancreas? |
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Definition
Glipizide (Glucotrol) = sulfonylurea. Netaglinide (starlix) = meglitinides. |
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Term
Which OHA should be d/c before high-risk procedures due to the risk of lactic acidosis? |
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Definition
Metformin (Glucophage) = biguanide |
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Term
Which OHA may contribute to HF in at-risk pts? |
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Definition
Prioglitazone (Actos) = thiazolidinediones |
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Term
Which OHA should be given with the first bite of the meal? |
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Definition
Acarbose (Precose) = Alpha-glucosidase inhibitor. Since it slows carbohydrate absorption. |
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