White blood cells are an important part of the human immune response. Two types of white blood cells, neutrophils and macrophages, act as phagocytes. Phagocytes perform which of the following functions in the human body?
A. They produce antibodies.
B. They bind to antigens and develop into plasma cells
C. They form a barrier against pathogens.
D. They engulf and destroy bacteria
Select your answer:
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Respiratory Acidosis DNA and Genetic Manipulation Trauma Surgery Diseases Communicable or non Communicable Bone Shapes & Long Bone Anatomy Sexual Reproduction Atoms and Radioactivity Health Systems Joints and Range of Motion Health Care Circulatory and Nervous System Pancreatitis Orthopedics 5 Major Food Groups Molecular Basis of InheritanceOther quiz:
Pathology › View. A 55 year old chroic smoker complained of difficulty in breathing and coughing up blood tinged sputum. Sputum cytology revealed cells with increased nuclear cytoplasmic ratio and hyperchromatism. A chest X-ray revealed a mass near the hilum which on endobronchial biopsy proved to be a squamous cell carcinoma. The most common route of spread of carcinoma is
A. serosal (pleural)
B. hematogenous
C. through the sputum
D. lymphatic
Blood & Blood Vessels › View
Binds to oxygen
A. leukocytes
B. platelets
C. hemoglobin
D. fibrinogen