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Physiology

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Endocrinology

Question
5 out of 14
 

5. The mechanism by which hyperventilation may cause muscle spasm is: (LQ)



A Decreased calcium        

B Decreased carbon dioxide

C Decreased potassium    

D Decreased sodium

Ans. A Decreased calcium

Detrimental Effects of Hyperventilation

1 Dizziness

5 Visual impairment

2 Cardiac arrhythmias

6 Myocardial ischemia

3 Seizure activity secondary to decreased

cerebral free serum calcium

7 Muscle weakness secondary to hypophosphatemia

4 Carpopedal spasm and tetany secondary to decreased free serum calcium

8 Paresthesias secondary to decreased free serum calcium

Endocrinology Flashcard List

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