1.Which of the following groups are at higher risk for low total body water?

Elderly and infant

Infant and obese

Obese and elderly

Infant and adolescent

2.Fluid balance is largely maintained in the human body by which of the following?

Kidneys

Pineal gland

Pancreas

Bladder

3.Dehydration instigates which of the following processes?

Thirst mechanism

Decreased sweating

Increased urine output

Both first and second option

4.What process causes electrolytes in the blood to become diluted?

Overhydration

Overnutrition

Dehydration

Undernutrition