Which specimen is NOT suitable for measuring urea?

Uric acid is a product of the catabolism of which compounds?

Which amino acid disorder results in a characteristic “mousy” odor in urine?

What is the function of a desiccator?

Hyperkalemia refers to:

Porphyrias are disorders of:

Where are most proteins in the body synthesized?

Which system is the most important buffer system in the body?

Which condition is characterized by hemoglobin bound to carbon monoxide (CO)?

Which of the following is a nonessential trace element that is toxic to humans?