1. During the Gram stain procedure, Gram-positive bacteria retain a dye that is
in color, while Gram-negative bacteria retain a dye that is in
color. Purple; pink
2. Match each of the following terms with the correct description.
Characterized by grainy, multi-lobed nuclei – Neutrophils
Include NK cells, B cells, and T cells – Lymphocytes
Macrophages and dendritic cells are differentiated versions of this – Monocytes
Fight parasitic infections by releasing damaging enzymes – Eosinophils
3. True or False. If false, explain why. Barrier defenses fall under the adaptive arm
of the immune system.
False. Barrier defenses fall under the innate arm of the immune system.
4. Which of the following cells is the most abundant and plays a major role in the
process of inflammation?
Neutrophils.
5. List the TWO arms of adaptive immunity, and the cells found in each.
Humoral – B cells
Cell-mediated response – T cells.
6. Which of the following statements is/are true of eukaryotic cells?
A- DNA is housed in a membrane bound nucleus
B- They are always single celled
C- bacteria are examples
D- all of the above statements are true
7. List the three common bacterial shapes.
Cocci, bacilli, spiral
8. Explain how pathogens use capsules to evade host cell detection.
, The capsules can mask the antigen receptors in the surface.
in color, while Gram-negative bacteria retain a dye that is in
color. Purple; pink
2. Match each of the following terms with the correct description.
Characterized by grainy, multi-lobed nuclei – Neutrophils
Include NK cells, B cells, and T cells – Lymphocytes
Macrophages and dendritic cells are differentiated versions of this – Monocytes
Fight parasitic infections by releasing damaging enzymes – Eosinophils
3. True or False. If false, explain why. Barrier defenses fall under the adaptive arm
of the immune system.
False. Barrier defenses fall under the innate arm of the immune system.
4. Which of the following cells is the most abundant and plays a major role in the
process of inflammation?
Neutrophils.
5. List the TWO arms of adaptive immunity, and the cells found in each.
Humoral – B cells
Cell-mediated response – T cells.
6. Which of the following statements is/are true of eukaryotic cells?
A- DNA is housed in a membrane bound nucleus
B- They are always single celled
C- bacteria are examples
D- all of the above statements are true
7. List the three common bacterial shapes.
Cocci, bacilli, spiral
8. Explain how pathogens use capsules to evade host cell detection.
, The capsules can mask the antigen receptors in the surface.
