The most common cause of hypokalemia is ()
Acute alkalosis
B. Excessive digestive juice loss
C. Hypoxia
D. A mass of sweatiness
E. Anorexia
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Hypokalemia can result in following conditions except for ()
Arrhythmia
B. Flaccid paralysis
C. Metabolic alkalosis
D. Alkalic urine
E. Flat and low T wave in ECG
Which of the followings is the effect of hypokalemia on physiological characteristics of myocardium? ()
A. excitability of myocardium is reduced
B. conductibility of myocardium is decreased
C. automatic rhythmicity of myocardium is decreased
D. contractibility of myocardium is reduced
E. both excitability and conductibility of myocardium are decreased
Severe acute hyperkalemia may cause flaccid paralysis. The reason is ()
A. hyperpolarization blocking
B. partial depolarization
C. the sodium channels are open
D. depolarization blocking
E. slow sodium channels are closed
Hyperkalemia can cause the following results except for ()
A. ventricular fibrillation
B. paralysis of skeletal muscle
C. metabolic acidosis
D. acidic urine
E. tall and peaked T wave in ECG
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