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Pharmacology of Antihistamines and Antacids

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Pharmacology of Antihistamines and Antacids

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Questions and Answers

Which type of cells produce histamine during allergic reactions?

T-cells

Basophils and mast cells (correct)

Macrophages

B-cells

What is the primary function of histamine in the physiological response?

Acting as a neurotransmitter in the CNS (correct)

Stimulating the release of inflammatory cytokines

Mediating bronchodilation

Regulating permeability of capillaries to white blood cells and proteins

What is the primary mechanism of action of antihistamine therapy in allergic reactions?

Inhibiting the action of histamine on smooth muscle and endothelium (correct)

Increasing the permeability of capillaries to white blood cells

Stimulating the release of anti-inflammatory cytokines

Blocking the release of histamine from mast cells

Which of the following is NOT a characteristic of anaphylactic shock?

Hypertension Signup and view all the answers

What is the primary difference between 1st and 2nd generation antihistamines?

GPCR location Signup and view all the answers

What is the primary goal of asthma treatment?

Reducing inflammation Signup and view all the answers

Which of the following is a characteristic of asthma pathogenesis?

Increased production of histamine Signup and view all the answers

Which of the following medication classes is used to treat bronchoconstriction?

Beta-agonists Signup and view all the answers

What is the primary mechanism of action of bronchodilators in asthma treatment?

Relaxing airway smooth muscle Signup and view all the answers

Which of the following is a guideline for effective control of asthma?

Avoiding triggers such as allergens and tobacco smoke Signup and view all the answers