Lab 08 Key Essay

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Anatomy Lab #8 – Blood Name ___________________

Text Book Reference: Chapter 16
Lab Manual Exercise: 31
Bonus Lab Reports: 31

Goals for this lab:

1. Identify the blood cells on a slide as well as my web site
2. Identify the difference blood abnormalities on slides as well as my web site

Part I: Blood

1. What is blood composed of?

Formed elements & plasma

2. Name all of the white blood cells.

Neutrophils, Eosinophils, Basophils, Monocytes, Lymphocytes

3. What cells produce platelets?

Megakaryocytes

4. Does a mature RBC contain a nucleus?

NO

5. What chemicals are secreted by your granular leukocytes & what are their functions?

Neutrophils – lysozyme – antibacterial
Eosinophils – major basic protein – anti-parasitic worm agent
Basophils – Histamine – vasodilator & Heparin - anticoagulant

6. What does a plasma cell secrete?

Antibodies

7. What does a cytotoxic T-cell secrete?

Perforin
8. What is the function of a macrophage after phagocytizing a pathogen to stimulate the specific immune response?

Presents the antigenic portion of the pathogen to B & T-cells via MHC class II receptors

9. Name the plasma proteins and the function of each.

Albumins – maintain osmotic pressure
Globulins – forms antibody structure
Fibrinogens – blood clotting

Normal blood smear (with RBCs, Platelets, Monocytes, Lymphocytes, Basophils, Neutrophils, Eosinophils)

B200 – Human Anatomy Lab Name ________________________________

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