The characteristic "fish-mouth" central pallor seen in overhydrated hereditary stomatocytosis is caused by an excessive influx of what in the RBCs?

Which of the following statements is true with regard to HIPAA compliance?

A) Many medical offices today have replaced paper sign-in sheets with electronic sign-in sheets. B) HIPAA legislation demands that medical offices keep patients from seeing one another in the reception area. C) Patients should be asked to discuss the reason for their visit in front of other patients. D) None of the above

Which of the following most accurately describes the etiology of Wolff-Parkinson-White syndrome?

A) Presence of an accessory conduction pathway B) Idiopathic C) Increased automaticity D) Shifting supraventricular pacemaker sites