Cardiovascular System 3.2 - Blood
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Questions and Answers

What is the primary function of oxygen in the metabolic processes of cells?

  • To support cellular energy production (correct)
  • To inhibit the production of haemoglobin
  • To synthesize CO2 as a waste product
  • To facilitate the release of CO2 into the plasma

In the capillary beds, what happens to oxygen?

  • It is released into the plasma
  • It is converted into CO2
  • It is released into the tissues (correct)
  • It is stored in the red blood cells

What is the primary route of CO2 transport from the tissues to the lungs?

  • Exclusively via plasma
  • Mostly via plasma and partly via RBC (correct)
  • Mostly via RBC and partly via plasma
  • Exclusively via RBC

In the process of gas exchange, what happens to CO2 when it reaches the lungs?

<p>It is released into the atmosphere (D)</p> Signup and view all the answers

What is the role of haemoglobin in gas exchange?

<p>To take up oxygen from the inhaled air (A)</p> Signup and view all the answers

Oxygen is transported from the lungs to the tissues via the plasma in the capillaries.

<p>False (B)</p> Signup and view all the answers

Carbon dioxide is released from the tissues directly into the plasma in the capillaries.

<p>True (A)</p> Signup and view all the answers

The primary mechanism of CO2 transport from the tissues to the lungs involves red blood cells.

<p>False (B)</p> Signup and view all the answers

In the process of gas exchange, oxygen is released from the plasma in the capillaries to the tissues.

<p>True (A)</p> Signup and view all the answers

Carbon dioxide is produced by cells as a result of their metabolic processes.

<p>True (A)</p> Signup and view all the answers

Leucocytes are responsible for carrying oxygen throughout the body.

<p>False (B)</p> Signup and view all the answers

All leucocytes have granules in their cytoplasm.

<p>False (B)</p> Signup and view all the answers

Leucocytes travel to the area of damage through the bloodstream.

<p>True (A)</p> Signup and view all the answers

Leucocytes are produced by the damaged tissue itself.

<p>False (B)</p> Signup and view all the answers

Leucocytes are responsible for healing the body.

<p>True (A)</p> Signup and view all the answers

What is the primary function of leucocytes in the body?

<p>To protect the body against infection and disease, and help with healing (C)</p> Signup and view all the answers

What is the difference between granulocytes and agranulocytes?

<p>Granulocytes have granules in their cytoplasm, while agranulocytes do not (C)</p> Signup and view all the answers

What signal triggers leucocytes to travel to the area of damage?

<p>Chemical signals released by the damaged tissue (B)</p> Signup and view all the answers

How do leucocytes travel to the area of damage?

<p>They squeeze out of the thin-walled capillaries (B)</p> Signup and view all the answers

What happens to leucocytes when they reach the area of damage?

<p>They help to heal the damaged tissue (A)</p> Signup and view all the answers

Leucocytes are responsible for carrying oxygen throughout the body.

<p>False (B)</p> Signup and view all the answers

All leucocytes travel to the area of damage through the bloodstream.

<p>True (A)</p> Signup and view all the answers

Granulocytes are WBC that lack granules in the cytoplasm.

<p>False (B)</p> Signup and view all the answers

Leucocytes are produced by the bloodstream.

<p>False (B)</p> Signup and view all the answers

Leucocytes are triggered to travel to the area of damage by physical signals.

<p>False (B)</p> Signup and view all the answers

Match the type of leucocytes with their characteristic:

<p>Granulocytes = Have granules in the cytoplasm Agranulocytes = Lack granules in the cytoplasm Leucocytes = Type of WBC that lack granules in the cytoplasm WBC = Have granules in the cytoplasm</p> Signup and view all the answers

Match the location with the action of leucocytes:

<p>Thin-walled capillaries = Leucocytes squeeze out of Area of damage = Leucocytes travel to Bloodstream = Leucocytes are produced by Damaged tissue = Leucocytes are produced by</p> Signup and view all the answers

Match the function of leucocytes with the outcome:

<p>Protecting the body against infection = Healing the body Protecting the body against disease = Healing the body Protecting the body against infection and disease = Healing the body Helping with healing = Protecting the body against infection</p> Signup and view all the answers

Match the source of signal with the response of leucocytes:

<p>Damaged tissue = Leucocytes travel to the area of damage Chemical signals = Leucocytes travel to the area of damage Circulating leucocytes = Leucocytes travel to the area of damage Bloodstream = Leucocytes travel to the area of damage</p> Signup and view all the answers

Match the type of leucocytes with their origin:

<p>Granulocytes = Produced by the bloodstream Agranulocytes = Produced by the damaged tissue Leucocytes = Produced by the bloodstream WBC = Produced by the damaged tissue</p> Signup and view all the answers

Match the type of granulocyte with its characteristic cytoplasmic granules:

<p>Neutrophil = Paley pinky/purple granules Eosinophil = Red granules Basophil = Dark purple granules Monocyte = No granules</p> Signup and view all the answers

Match the type of granulocyte with its primary function:

<p>Neutrophil = Inflammation/infection Eosinophil = Parasitism and allergies Basophil = Inflammation Lymphocyte = Cell-mediated immunity</p> Signup and view all the answers

Match the type of granulocyte with its characteristic granules shape:

<p>Neutrophil = Same shape in all species Eosinophil = Different shapes in different species Basophil = No granules Monocyte = Large kidney-shaped nucleus</p> Signup and view all the answers

Match the type of granulocyte with its relative abundance:

<p>Neutrophil = Most common granulocyte Eosinophil = Less common granulocyte Basophil = Least common granulocyte Lymphocyte = Most common agranulocyte</p> Signup and view all the answers

Match the type of granulocyte with its related condition:

<p>Neutrophil = Pus formation Eosinophil = Allergic reactions Basophil = Inflammatory response Monocyte = Phagocytosis</p> Signup and view all the answers

What is the primary function of T and B lymphocytes?

<p>To make antibodies and respond to immune stimuli (D)</p> Signup and view all the answers

What happens to monocytes when they enter tissues?

<p>They become macrophages (D)</p> Signup and view all the answers

What do monocytes help lymphocytes with?

<p>Telling them what antibodies to make (D)</p> Signup and view all the answers

What is associated with chronic inflammation?

<p>Macrophages (A)</p> Signup and view all the answers

What are the two main types of lymphocytes?

<p>T and B (B)</p> Signup and view all the answers

Lymphocytes are directly involved in chronic inflammation

<p>False (B)</p> Signup and view all the answers

There is only one type of B lymphocyte

<p>False (B)</p> Signup and view all the answers

Monocytes become lymphocytes when they enter tissues

<p>False (B)</p> Signup and view all the answers

T lymphocytes are responsible for making antibodies

<p>False (B)</p> Signup and view all the answers

Agranulocytes have granules in their cytoplasm

<p>False (B)</p> Signup and view all the answers

What is a characteristic of granules in the cytoplasm of WBCs?

<p>They can be different colors (D)</p> Signup and view all the answers

How can the size of WBCs be compared to RBCs for identification?

<p>By comparing the size of the cell itself (D)</p> Signup and view all the answers

What is a characteristic of a WBC that lacks granules in its cytoplasm?

<p>It is a type of agranulocyte (D)</p> Signup and view all the answers

What is the primary reason for comparing the size of WBCs to RBCs?

<p>To identify the type of WBC (A)</p> Signup and view all the answers

What is a characteristic of the nucleus of a WBC compared to the cell size?

<p>The nucleus is always smaller than the cell (A)</p> Signup and view all the answers

What is the meaning of the term thrombo?

<p>Related to clotting (D)</p> Signup and view all the answers

What is the function of thrombocytes?

<p>To plug blood vessels when damaged (A)</p> Signup and view all the answers

What is the term for the stopping of blood flow?

<p>Haemostasis (C)</p> Signup and view all the answers

What is the term for blood-related?

<p>Haemo- (B)</p> Signup and view all the answers

What is the function of haemostasis?

<p>To stop bleeding (D)</p> Signup and view all the answers

What is the primary goal of haemostasis?

<p>To stop haemorrhage from damaged blood vessels (A)</p> Signup and view all the answers

What is the role of clotting/coagulation factors in haemostasis?

<p>To stabilise the platelet plug (C)</p> Signup and view all the answers

What is the first step in the haemostasis process?

<p>The formation of a platelet plug (B)</p> Signup and view all the answers

What is the origin of clotting/coagulation factors in the blood?

<p>The liver (D)</p> Signup and view all the answers

What are the two main stages of haemostasis?

<p>Primary haemostasis and secondary haemostasis (C)</p> Signup and view all the answers

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