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47 Cards in this Set
- Front
- Back
anesthetic that increases cardiac work and O2 use, secretions, and blood pressure, but doesn't cause respiratory depression
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Ketamine
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Inhaled anesthetic with renal toxicity
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methoxyflurane
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Inhaled anesthetic with hepatotoxicity
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halothane
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antibiotic prolonging neuromuscular blockade
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clindamycin
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long-acting SST analog
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octreotide
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Digoxin: MOA
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Decreases Na/K/ATPase to increase Ca available to myocytes.
Slows AV conduction Does not increase O2 consumption. |
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Digoxin: side fx
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ischemic gut, decreased splanchnic flow
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metyrapone: MOA
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blocks 11 β-OHase so no cortisol is made. Stimulates ACTH
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metyrapone: use
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to dx adrenal insufficiency
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aminoglutethimide: MOA
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blocks production of steroids derived from cholesterol
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Leuprolide: MOA and indication
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GnRH agonist, causes medical orchiectomy
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Misoprostil: MOA
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replaces PGE2 (cryoprotective) for pts on NSAIDs, reduces PUD
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FeNa, Urine Na, and BUN/Cr results in pre-renal failure
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FeNa <1%
Urine Na <20 (kidneys are working and conserving Na to conserve volume) BUN/Cr >30 : nitrogen getting recycled |
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What secretion has highest K concentration?
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Salive>gastric>pancreatic/duodenal
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branched chain amino acids: what are they?
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Ile, Leu, Val
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branched chain amino acids: where metabolized?
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muscle
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25-OHase to activate vitamin D found in ______; 1-OHase found in ____
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Liver; Kidney
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increases calcium binding protein to increase intestinal absorption of calcium
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vitamin D
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Vitamin __ reverses adverse effects of steroid on wound healing
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A
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Total body water higher in (men, women)
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men (women have more fat)
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Total body water is _____% of weight; ___% of weight caused by water is intracellular; ___% is intestinal, ___% is plasma
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60; 40; 15; 5
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Basal calorie expenditure calculation
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25 kcal/kg/day
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___g protein/kg/day needed
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1
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Respiratory quotient
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ratio of CO2 produced/O2 consumed.
Varies depending on whether fat or carbs used |
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Respiratory quotient
if A) fat used B) carbs used |
A) 0.7
B) 1.0 |
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Preferred fuel of colon
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Short chain fatty acids
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Preferred fuel of small bowel
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Glutamine (most common amino acid in bloodstream)
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What causes decreased glutamine?
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Stress as glu goes to kidney to form ammonium to help acidosis
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Which fats go to portal system with AAs and Carbs?
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Only Short and Medium Chain Triglycs
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Chromium def: sx
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hyperglycemia (relative diabetes)
neuropathy |
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Zinc def: sx
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Hair loss
Poor healing Change in taste Perioral rash |
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Phosphate def: sx
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Weakness (resp)
Encephalopathy bc P needed for ATP |
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Copper def: sx
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anemia
neutropenia |
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Linoleic acid def (essential FA def) : sx
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dermatitis
hair loss change in vision |
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Vit A def: sx
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can decrease Vit C stores
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Cori cycle: what goes where?
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Glucose --> lactate ---> to liver ---> back to glucose
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What happens to brain energy usage in starvation?
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uses ketones from FAs
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What happens in late starvation?
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Gluconeogen shifts to kidney as liver is depleted of ALANINE
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in late starvation, Gluconeogen shifts to kidney as liver is depleted of _____
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alanine
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causes of increased anion gap metabolic acidosis
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MUDPILES
Methanol Uremia DKA Paraldehyde Lactic acidosis Ethanol salicylates |
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anion gap calc
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Na - (Cl + HCO3)
normally <12 |
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how does alkalosis cause hypo[K+]?
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Decreased [H+] causes H+ to come out of cells via H/K exchanger. K+ goes into cells and into urine.
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Hyperglycemia (lowers, increases) Na
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LOWERS
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How to correct Na for hyperglycemia?
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For every 100 glucose over 100, add 2 to [Na]
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Low __ and ___ cause hyperexcitability and increased reflexes
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Ca and Mg
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How does low Mg affect PTH?
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inhibits PTH. Replace Mg if there is difficulty correcting patient's Ca
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Replace _ if there is difficulty correcting patient's Ca
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Mg
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