Leukocytes and the Immune System Quiz

Leukocytes and the Immune System Quiz

KG

75 Qs

quiz-placeholder

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Leukocytes and the Immune System Quiz

Leukocytes and the Immune System Quiz

Assessment

Quiz

Others

KG

Easy

Created by

Akshat Kumar

Used 2+ times

FREE Resource

75 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the most abundant type of white blood cell (WBC) in healthy adult human blood, accounting for approximately 62.0% of the total WBCs?

Eosinophils

Basophils

Monocytes

Neutrophils

Lymphocytes

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate average number of white blood cells (WBCs) per microliter of blood in a healthy adult human?

500,000

1,000

7,000

150,000

5,200,000

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Monocytes, while still in the blood, are described as immature cells with little ability to fight infectious agents. What do they become once they enter the tissues, often increasing their diameter as much as fivefold?

Neutrophils

Lymphoblasts

Macrophages

Erythrocytes

Platelets

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process describes the movement of neutrophils and monocytes squeezing through the intercellular gaps between endothelial cells of blood capillaries and postcapillary venules into tissue spaces?

Ameboid motion

Chemotaxis

Opsonization

Diapedesis

Exocytosis

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which characteristic of a particle or substance is least likely to promote its phagocytosis by neutrophils and macrophages, according to the selective procedures for phagocytosis?

A rough surface on the particle.

Adherence of antibodies to the particle's membrane.

The presence of C3 molecules (from the complement cascade) attached to the particle.

A natural substance of the body with a protective protein coat.

Being a dead tissue or foreign particle without a protective coat.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The monocyte-macrophage cell system, also known as the reticuloendothelial system, is a widespread defense system throughout the body. Which of the following cell types is not considered a core component of this system?

Mobile macrophages

Fixed tissue macrophages

Kupffer cells in the liver sinusoids

Alveolar macrophages in the lungs

Neutrophils

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of Kupffer cells in the liver sinusoids, particularly regarding bacteria from the gastrointestinal tract?

To synthesize hemoglobin.

To produce bile pigment bilirubin.

To phagocytize bacteria, preventing their entry from the portal blood into general systemic circulation.

To store iron in the form of ferritin.

To regulate red blood cell production based on oxygen levels.

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