Blood Flashcards
What are granular leukocytes also known as?
Granulocytes
Name the three main types of granular leukocytes.
Neutrophils, eosinophils, basophils
True or False: Granular leukocytes play a critical role in the immune response.
True
What is the primary function of neutrophils?
To phagocytize bacteria and fungi
Fill in the blank: Eosinophils are primarily involved in combating ______ infections.
Parasitic
Which type of granular leukocyte is involved in allergic reactions?
Basophils
What percentage of white blood cells do neutrophils typically comprise?
50-70%
Multiple choice: Which granular leukocyte is known for releasing histamine? A) Neutrophils B) Eosinophils C) Basophils
C) Basophils
What is the lifespan of neutrophils in the bloodstream?
A few hours to a few days
True or False: Eosinophils can also play a role in the inflammatory response.
True
What do basophils release that contributes to inflammation?
Histamine
Fill in the blank: Granular leukocytes contain ______ in their cytoplasm.
Granules
What type of immune response are eosinophils primarily associated with?
Type 2 immune response
Multiple choice: Which granular leukocyte is the first line of defense against infections? A) Eosinophils B) Neutrophils C) Basophils
B) Neutrophils
What is the role of neutrophil extracellular traps (NETs)?
To trap and kill pathogens
True or False: Basophils are the least common type of granular leukocyte.
True
Which granular leukocyte is primarily involved in the response to allergens?
Basophils
What do eosinophils release to combat parasites?
Cytotoxic granules
Fill in the blank: Granulocytes develop from ______ in the bone marrow.
Myeloid progenitor cells
What is the primary method by which neutrophils kill pathogens?
Phagocytosis
True or False: Granular leukocytes can differentiate into memory cells.
False
Which type of granular leukocyte has a bi-lobed nucleus?
Eosinophils
What is the main characteristic that distinguishes granular leukocytes from agranular leukocytes?
Presence of granules in the cytoplasm
Fill in the blank: The primary role of ______ is to mediate allergic responses.
Basophils
Multiple choice: Which type of granular leukocyte is most abundant in the body? A) Eosinophils B) Neutrophils C) Basophils
B) Neutrophils
What is the role of chemotaxis in the function of neutrophils?
To guide neutrophils to the site of infection
Electrolytes contained in plasma:
Sodium Na+
Calcium Ca+
Potassium K+
Magnesium Mg++
Plasma contains ions of other elements:
Bicarbonates
Sulfates
Chlorides
Phosphates
