Answer:
A. Medication for ADD or ADHD
Explanation:
A. being oxygenated in the alveoli, where oxygen is supposed to attach to the red blood cells (in the lungs)
Oncology is the study and treatment of cancer.
<span>Bacteria that cause a urinary tract infection (UTI) make an enzyme that changes urinary nitrates to nitrites. Nitrites in urine show a UTI is present. Leukocyte esterase (WBC esterase). Leukocyte esterase shows leukocytes (white blood cells [WBCs]) in the urine.</span>
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