Identify the types of phagocytes in the body, and differentiate between fixed macrophages and free macrophages
A) The body's phagocytes are macrophages. Fixed macrophages are scattered among connective tissues and do not move; free macrophages are mobile and can travel to the site of injury.
B) The body's phagocytes are neutrophils, eosinophils, and macrophages. Fixed macrophages are scattered among connective tissues and do not move; free macrophages are mobile and can travel to the site of injury.
C) The body's phagocytes are B cells, T cells, and macrophages. Fixed macrophages are scattered among connective tissues and do not move; free macrophages are mobile and can travel to the site of injury.
D) The body's phagocytes are neutrophils, eosinophils, and macrophages. Fixed macrophages can only respond to one type of pathogen; free macrophages are free to respond to any pathogen.
E) The body's phagocytes are B cells, T cells, and macrophages. Fixed macrophages can only respond to one type of pathogen; free macrophages are free to respond to any pathogen.
Answer: B
You might also like to view...
The force per unit area that blood places on the inside wall of a blood vessel
A. is greater during diastole. B. is greater in the inferior vena cava than in the common iliac vein. C. is called the pulse. D. is called the blood pressure. E. increases the further the vessel is from the heart.
Skeletal muscle is called ________, because it is usually subject to conscious control
A) voluntary B) excitable C) isometric D) striated E) contractile
The penile urethra is enclosed by the ________
A) frenulum B) corpus spongiosum C) prepuce D) corpus cavernosum E) trabecular muscle
True or False? Stimulation along the vagus nerve may cause a dramatic drop in heart rate.
Answer the following statement true (T) or false (F)