Which of the Following Is True for a Normal Distribution

question 107

Multiple Choice

Which of the following is true for a normal distribution?

• A)It is unimodal.
• B)It is symmetrical.
• C)It has a bell shape.
• D)All of these choices are correct.

---

Definitions:

Intracellular Buffer System

Mechanisms within cells that regulate pH levels, preventing significant variations that could otherwise interfere with cellular function.

Sodium-Potassium Pump

A cellular mechanism that moves sodium ions out of and potassium ions into a cell against their concentration gradients, essential for cellular functions.

Carbonic Acid/Bicarbonate System

A major buffer system in the blood, maintaining the body's pH balance by regulating carbon dioxide (CO2) and bicarbonate (HCO3-) levels.

Blood Ph

A measure of the acidity or alkalinity of blood, with a normal range typically between 7.35 and 7.45.