The Characteristic "Fish-Mouth" Central Pallor Seen in Overhydrated Hereditary Stomatocytosis

question 6

Multiple Choice

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

• A) Potassium
• B) Chloride
• C) Sodium and water
• D) Sodium

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Definitions:

ECG Tracing

The visual output of an electrocardiogram, which represents the electrical activity of the heart over a period of time.

Sensitivity Selector

A feature on a device that allows the user to adjust the level of sensitivity, often found in medical diagnostic equipment to enhance accuracy.

Paper Speed

The rate at which paper feeds through a device like a printer or an electrocardiogram (ECG) machine, affecting the output's scale or duration.

Electrocardiogram

A test that records the electrical activity of the heart to detect heart problems and monitor the heart's status.