Apex Midterm Questions And Answers

Apex Midterm questions And Complete Answers
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Combitube size 37 bh bh


Patient height = ? - ANSWER4ft-6ft
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DO NOT use in pts less than 4ft
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Combitube size 41 bh bh


Patient height = ? - ANSWER>6ft
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DO NOT use in pts less than 6ft
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Vd (dead space) is normally - ANSWERapprox. 2 mL/kg
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Causes contraction (miosis) of the sphincter muscle (iris) - ANSWERMuscarinic
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receptor
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Causes contraction (mydriasis) of the radial muscle (iris) - ANSWERAlpha 1
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Causes relaxation (far vision) of the ciliary muscle - ANSWERBeta 2
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Causes contraction (near vision) of the ciliary muscle - ANSWERMuscarinic
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Causes contraction of GI sphincters - ANSWERAlpha 1
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Causes Relaxation of GI sphincters, increased motility & tone, increased salivary
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glands, and contraction of gallbladder & ducts - ANSWERMuscarinic
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Causes decreased GI motility and tone - ANSWERAlpha1/2/Beta 1/2
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Causes increased salivary gland activity - ANSWERAlpha 2
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Causes relaxation of gallbladder & ducts - ANSWERBeta 2
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Causes decreased insulin release from pancreas islet (beta cells) - ANSWERAlpha
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2
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Causes increased insulin release from pancreas islet (beta cells) - ANSWERBeta 2
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Causes increased serum glucose - ANSWERAlpha1/Beta 2
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Causes uterine contraction - ANSWERAlpha 1
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Causes uterine relaxation - ANSWERbeta 2
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Causes bladder trigone and sphincter contraction - ANSWERalpha 1
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Causes bladder detrusor relaxation - ANSWERbeta 2
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Causes bladder trigone & sphincter relaxation and detrusor contraction -
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ANSWERMuscarinic
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Causes Increased sweat gland secretion - ANSWERalpha 1 & muscarinic
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Norepinephrine dose - ANSWER0.02-0.4 mcg/kg/min bh bh bh bh


Low dose norepi effects - ANSWERBeta-1 selective = increased HR and Increased
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inotropy
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High dose norepi effectws - ANSWERStimulates alpha-1, alpha-2 and beta -1
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receptors = increased SVR = increased BP = decreased HR via baroreceptor
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reflex
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Norepi is an ideal drug for? - ANSWERLow SVR states like sepsis or post-
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cardiopulmonary bypass hypotension due to low afterload bh bh bh bh bh bh


Avoid NE in the setting of? - ANSWERCardiogenic shock, because it increases
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afterload and MVO2
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If extravasation occurs after peripheral admin of norepi what should be done? -
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ANSWERThe area should be injected with phentolamine (2.5 -10 mg in 10 mL of
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diluent) to vasodilate the affected region.
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Stellate ganglion block is another tx option
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