When polymorphic ventricular tachycardia is preceded by a rhythm with a prolonged QT interval, either congenital or medication induced, it is called ____.
A. torsades de pointes
B. AV nodal re-entry tachycardia
C. pre-excitation syndrome
D. re-entrant tachycardia
Answer: A
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You have just arrived on scene, where a young girl has pushed her arm through a plate glass window. She is responsive and has a patent airway. Bright red blood is spurting from a large laceration on her right upper arm. When your partner tells you to apply direct pressure to the laceration to prevent the further blood loss, you would:
a. place a tourniquet proximal to the laceration, being careful not to get blood on your hands. b. put gloves on before applying direct pressure over the injury site. c. control the bleeding by pushing the edges of the laceration together until you can put gloves on. d. apply direct pressure to the site with your hands until someone wearing gloves can take over.
Unknown mechanisms of action of an adverse effect of a drug are referred to as:
A) overdose B) idiosyncratic C) prophylaxis D) polymorphism
Georgia took her child to the emergency room with injuries on her legs and back. When doctors asked her how the child received the injuries, Georgia broke down weeping and said she beat her daughter two days ago but had just gotten her period. In using the previous defense, what obstacles might Georgia face?
a. proving that PMS is a disease b. all of these are obstacles Georgia might face c. proving that PMS causes the mental impairment that excuses the conduct d. proving that she suffers from PMS
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