Mucus-secreting membranes are found in:
a. The urinary system
b. The digestive cavity
c. The respiratory passages
d. All of the above

Write the letter of the description that applies to each of the following terms:

1. ___ Goblet cell

2. ___ Lysozyme

3. ___ Stem cell

4. ___ Dendritic cell

5. ___ Cell from sebaceous gland

6. ___ Bone marrow stem cell

7. ___ Eosinophil

8. ___ Alveolar macrophage

9. ___ Microglia

10. ___ Wandering macrophage

A. Leukocyte that primarily attacks parasitic worms

B. Phagocytic cell in lungs

C. Secretes sebum

D. Devours pathogens in epidermis

E. Breaks bonds in bacterial cell wall

F. Phagocytic cell in central nervous system

G. Generative cell with many types of offspring

H. Develops into formed elements of blood

I. Intercellular scavenger

J. Secretes mucus

Which line of defense first applies to each term?

1. ___ Inflammation

2. ___ Monocytes

3. ___ Lactoferrin

4. ___ Fever

5. ___ Dendritic cells

6. ___ Alpha interferon

7. ___ Mucous membrane of the digestive tract

8. ___ Neutrophils

9. ___ Epidermis

10. ___ Lysozyme

11. ___ Goblet cells

12. ___ Phagocytes

13. ___ Sebum

14. ___ T lymphocytes

15. ___ Antimicrobial peptides

A. First line of defense

B. Second line of defense

C. Third line of defense

Identify the type of hypersensitivity reaction in each photo.

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How does a phagocyte “know” it is in contact with a pathogen instead of another body cell?

Indicate which statements are true. Correct all false statements by changing the underlined words.

__________ The surface cells of mucous membranes are alive.

Label the steps of phagocytosis.

a. ________

b. ________

c. ________

d. ________

e. ________

f. ________