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Phagocytosis and Thrombocytes Lecture

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Questions and Answers

What is the normal range of neutrophils in the blood?

30,000-40,000 per microliter

10,000-15,000 per microliter

4000-5000 per microliter (correct)

2000-3000 per microliter

What happens to neutrophils and macrophages after they engulf bacteria and necrotic tissue?

They leave the inflamed tissue

They multiply and spread to other areas

They transform into different cell types

They die and form pus (correct)

What is the term for the uncontrolled production of white blood cells caused by cancerous mutations?

Lymphoma

Neutropenia

Leukemia (correct)

Neutrophilia

What is the result of the autolysis of dead cells and necrotic tissue in pus?

The dead cells and tissue are eventually absorbed Signup and view all the answers

What is the characteristic of leukemia cells that allows them to spread to other areas of the body?

Their ability to metastasize Signup and view all the answers

What is the term for the formation of a cavity in inflamed tissue that contains pus?

Abscess Signup and view all the answers

What is the primary function of neutrophils and macrophages?

Cellular ingestion of foreign particles Signup and view all the answers

What is the role of antibodies in phagocytosis?

They make bacteria susceptible to phagocytosis Signup and view all the answers

What is the result of tissue injury in the body?

Inflammation Signup and view all the answers

What is the purpose of the selective procedures in phagocytosis?

To ensure the ingestion of only certain foreign particles Signup and view all the answers

What is the relationship between the immune system and phagocytosis?

The immune system enhances phagocytosis Signup and view all the answers

What is a characteristic of foreign particles that makes them susceptible to phagocytosis?

They have a rough surface Signup and view all the answers

During inflammation, which process causes the swelling of tissue cells?

Increased permeability of the capillaries Signup and view all the answers

What is the primary function of pseudopodia in phagocytosis?

To project around the particle and fuse with other pseudopodia Signup and view all the answers

Which of the following is a characteristic of neutrophilia?

An acute increase in the number of neutrophils in the blood Signup and view all the answers

What is the primary advantage of macrophages over neutrophils in phagocytosis?

Macrophages are more powerful phagocytes Signup and view all the answers

What is the role of lysosomes in phagocytosis?

To fuse with the phagocytic vesicle and release digestive enzymes Signup and view all the answers

What is the result of the fusion of lysosomes with the phagocytic vesicle?

The release of digestive enzymes Signup and view all the answers