Question 13 (1 point)
1 Usten

The granules of leukocytes designed to respond to infection and take care of bacteria might have a lot of which of the following?

1. histamine
   9
2. heparin
   12
3. antihistamine
4. lysozyme
   18
   Question 14 (1 point)
   Listen

Thrombocytes are larger than leukocytes.

1. True
2. False

Question 15 (1 point)
i) Listen

Hemostasis is the method by which leukocytes cause blood clotting.

1. True
2. False

Question 13

1. Histamine - This is primarily associated with allergic reactions and is released by mast cells and basophils, not specifically leukocytes.
2. Heparin - This is an anticoagulant that is also released by mast cells and is not primarily associated with leukocytes.
3. Antihistamine - This is a medication that counteracts histamine and is not found in leukocytes.
4. Lysozyme - This is an enzyme that breaks down bacterial cell walls and is found in the granules of certain leukocytes, particularly neutrophils.

Question 14

1. True - This statement is incorrect. Thrombocytes (platelets) are much smaller than leukocytes (white blood cells).
2. False - This statement is correct.

Question 15

1. True - This statement is incorrect. Hemostasis is primarily the process involving platelets and clotting factors, not leukocytes.
2. False - This statement is correct.

Summary of Answers:

• Question 13: 4) lysozyme
• Question 14: 2) False
• Question 15: 2) False