Leukocytes recognize molecules that are unique to pathogens; thus, the molecules are _________.
A) pathogen-associated molecular patterns.
B) pattern recognition receptors.
C) phagosomes.
D) toll-like receptors.
E) antigens.
A) pathogen-associated molecular patterns.
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In the centrifuged sample of blood illustrated, what blood components are contained in the layer labeled number 3?
A. Leukocytes and platelets B. Plasma and water C. Erythrocytes D. Plasma, water, waste materials, and electrolytes E. Leukocytes and waste materials
Which of the following would inhibit normal movements of the tongue?
A. Decrease in number of taste buds B. Lingual frenulum extending to tip of tongue C. Swollen tonsils D. Swollen lips E. Loss of all teeth
Each of the following is a normal constituent of urine except
A) hydrogen ions. B) urea. C) proteins. D) uric acid. E) creatinine.
If two cranial bones are joined by overlapping beveled edges, they are adjoined by which type of suture?
A. Serrate B. Butt C. Plane D. Lap