NBME 21 Answers : Block 3 : #44 = A 23-year-old woman develops persistent sneezing ...

nbme21/Block 3/Question#44

A 23-year-old woman develops persistent sneezing ...

Stabilization of mast cell membranes

+3 upvote downvote
submitted by hungrybox(175),

other answers:

inhibition of H2 receptors: (for GERD) prevent gastric acid secretion (cimetidine,

inhibition of phosphodiesterases (PDE):

theophylline (asthma) inhibits cAMP PDE
-nafils (dick pills) for ED inhibit cGMP PDE

β2 agonists: (for asthma) cause bronchodilation

albuterol (short acting - A for Acute)
salmeterol, formoterol (long acting - prophylaxis)

(idk lymphocyte membrane stabilization)

hungrybox H2 blockers are the -tidines +1

yotsubato > dickpills lol +5

temmy hungrybox, you are a life saver +1

cienfuegos Via FA: take H2 before you dine, think "table for 2" to remember H2 +

+2 upvote downvote
submitted by mcl(167),

While antihistamines with action at H1 receptors are used for allergies, H2 antihistamines are typically used for ulcers. Therefore the best answer is stabilization of mast cell membranes. These drugs (cromolyn) prevent vesicles of histamine from fusing with the membrane.