●Due No due date
● Points 100
● Questions 25
● Time Limit 60 Minutes
● Requires Respondus LockDown Browser Question 1
Not yet graded / 4 pts
Fill in the blank 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.
pink or red
Answer: purple; pink (See section 6.2 in the module) Question 2 pts
Match each of the following terms with the correct description.
Correct!
Neutrophils Characterized by grainy, multi-lobed nuclei. Correct!
Lymphocytes Include NK cells, B cells, and T cells. Correct!
Monocytes Macrophages and dendritic cells are differentiated versions of this immune cell. Correct!
Eosinophils Fight parasitic infections by releasing damaging enzymes. Question 3
Not yet graded / 4 pts
True or False. If false, explain why it is false.
Barrier defenses fall under the adaptive arm of the immune system.