Respiratory System Processes Quiz

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Which process is responsible for supplying oxygen and removing carbon dioxide in respiration?

Olfaction

Facilitation of speech

Bronchiole constriction

Gas exchange (correct)

What triggers the release of histamine and other inflammatory chemicals from mast cells and basophils during an allergic response?

Presence of antigens in the skin

Coating of cells by IgE antibodies (correct)

Respiration process

Secretion of insulin

What is the primary role of Helper T (TH) cells in the immune system?

Activating CD4 cells (correct)

Activating CD8 cells

Producing antibodies against foreign antigens

Destroying myelin in the central nervous system

What is the main problem associated with Severe Combined Immunodeficiency Syndrome (SCID)?

Severe deficit of B and T cells Signup and view all the answers

Which part of the immune system does Acquired Immune Deficiency Syndrome (AIDS) primarily affect?

Helper T cells (CD4 cells) Signup and view all the answers

What is the main function of antihistamines in countering allergic symptoms?

Neutralizing the effects of histamine Signup and view all the answers

What is the main function of the lymphatic system?

Returning leaked tissue fluid back to circulation Signup and view all the answers

Where are lymph nodes primarily found in the body?

Throughout the body such as the spleen, thymus, and tonsils Signup and view all the answers

What is the primary role of lymphoid tissue in the body?

Playing key roles in immune response Signup and view all the answers

Where does lymphatic capillaries primarily weave between?

Tissue cells and blood capillaries Signup and view all the answers

Which organ serves as a maturation site for lymphocyte precursor cells?

Thymus Signup and view all the answers

What is the main function of the spleen in the lymphatic system?

Initiating immune responses and storing red blood cells Signup and view all the answers

What can lymphatic vessels do during inflammation?

Develop additional openings to take up cell debris and pathogens Signup and view all the answers

What is the primary role of Mucosa-Associated Lymphoid Tissue (MALT) in the body?

Providing protection against pathogens entering the body Signup and view all the answers

Which of the following is NOT a component of the lymphatic system?

Liver Signup and view all the answers

What is a key function of lymphocytes in the lymphatic system?

Playing a central role in immune responses Signup and view all the answers

What is the term used to describe the volume of air that actually reaches the alveoli and participates in gas exchange?

Alveolar ventilation rate Signup and view all the answers

Which factor primarily determines the rate of gas exchange between the alveoli and the blood in the pulmonary capillaries?

The partial pressure difference of the gases Signup and view all the answers

What is the primary mechanism by which carbon dioxide is transported from the tissues to the lungs?

All of the above Signup and view all the answers

Which of the following is responsible for maintaining the electrical charge balance during the chloride shift in the pulmonary capillaries?

Chloride ions leaving red blood cells Signup and view all the answers

Which part of the brain is primarily responsible for establishing the basic respiratory rhythm?

Medulla oblongata Signup and view all the answers

What is the term used to describe a condition where the partial pressure of carbon dioxide in the blood is higher than normal?

Hypercapnia Signup and view all the answers

Which of the following respiratory volumes is the amount of air that can be forcibly exhaled after a normal expiration?

Expiratory reserve volume Signup and view all the answers

What is the term used to describe the partial pressure of a gas in the alveoli?

Alveolar pressure Signup and view all the answers

Which respiratory capacity represents the maximum amount of air that can be inhaled after a normal expiration?

Inspiratory capacity Signup and view all the answers

What is the primary function of the carbonic anhydrase enzyme in red blood cells?

Converting bicarbonate ions to carbon dioxide Signup and view all the answers