A negative nitrogen balance is characterized by

Bronchial asthma is a condition caused by

Which of the following vitamins is necessary for the production of collagen?

A protein deficiency may be accompanied by edema because of

Linoleic acid is an essential amino acid.

During an asthma attack, the patient usually finds it most difficult to

The amount of air that enters or leaves the lungs during a normal respiratory cycle is the

Malnutrition that involves the diet alone is called secondary malnutrition.

Diuretics cause weight reduction by

Nutrients that are necessary for health and cannot be synthesized by human cells are called essential.