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* 29 30
 #140904  
  angioplasty - 11/23/06 21:35
 
  The following vignette applies to the next 2 items.


A 38-year-old woman is admitted to the hospital for an elective breast-reduction operation. She is in good health and has never been admitted to the hospital or had previous operations. Her only medication is an oral contraceptive pill. Shortly after the administration of general anesthesia she develops muscular rigidity, temperature increases to 40.6°C (105.0°F), pulse increases to 130/min and blood pressure decreases from 110/70 mm Hg to 80/40 mm Hg. Arterial blood gas values show:


PO2

60 mm Hg

PCO2

40 mm Hg

pH

7.12

Total CO2

18 mm Hg
Item 1 of 2

29. Which of the following is the most appropriate intravenous pharmacotherapy to administer at this time?

A

) Dantrolene

B

) Diazepam

C

) Epinephrine

D

) Magnesium sulfate

E

) Succinylcholine

Item 2 of 2

30. Which of the following is the most likely cause of this reaction?

A

) Abnormal increase in intracellular calcium

B

) Hypothalamic dysfunction

C

) Hypovolemia

D

) Inability to sweat

E

) Inhibition of protein synthesis

O2 saturation

88%
 
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* Re:29 30
#569663
  pk007 - 11/23/06 23:03
 
  29. A
30. A
 
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* Re:29 30
#569715
  anand11anupa - 11/23/06 23:25
 
  29 A
30 A
 
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* Re:29 30
#569728
  tea - 11/23/06 23:30
 
  a
a
 
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