LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

SIGNALLING IMMUNOLOGY CANCER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How do leukotriene antagonists work?
A
like antihistamines
B
like inhalation corticosteroids
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Leukotriene modifiers, also called leukotriene receptor antagonists or leukotriene synthesis inhibitors, are medications that block the effect of leukotrienes or stop your body from producing them. These drugs are used to prevent or lessen the symptoms of: Allergies (allergic rhinitis). Allergic asthma.

Detailed explanation-2: -In the mechanism of allergic rhinitis, histamine is responsible for major allergic rhinitis symptoms such as rhinorrhea, nasal itching and sneezing. Its effect on nasal congestion is less evident. In contrast, leukotrienes result in increase in nasal airway resistance and vascular permeability.

Detailed explanation-3: -They act by preventing leukotriene release from mast cells and eosinophils or by blocking the specific leukotriene receptors on bronchial tissues, thus preventing bronchoconstriction, mucus secretion, and oedema.

There is 1 question to complete.