Allergic Reaction
Trending Questions
The main function of white blood cells is
To help red blood cells in the transportation of oxygen and carbon dioxide.
To clot the blood at the time of injuries
To accelerate the production of red blood cells in the bone marrow
To defend the body against infections
How a chemical disaster can be prevented?
Give an account on hypersensitivity or allergic reaction.
Which type of blood cells fight against the germs or foreign materials that enter our body?
White blood cells (WBCs)
Red blood cells (RBCs)
Platelets
None of these
Explain the mechanism of an allergic reaction.
The class of drugs used to treat allergic reactions is
antihistamines
histamine
antimetabolites
antibiotics
Statement 1: When the antibody combines with allergen, it releases histamine.
Statement 2: Antihistamine causes allergic reactions.
Statement 1 is true and statement 2 is false
Both the statements are true
Both the statements are false
Statement 1 is false and statement 2 is true
___ cells increase during allergic reaction in the body.
Allergy is an (i)_____ of the immune system to things that are (ii)_______ to most people.
(i) overreaction
(ii) harmful
(i) underreaction
(ii) harmless
(i) underreaction
(ii) harmful
(i) exaggerated response
(ii) harmless
What is anaphylaxis?
A dangerous allergic reaction
An antibiotic reaction
A common cause of nasal allergies
A treatment for hives
- antigen
- histamine
- antihistamine
Mast cells release antigens in the body.
- True
- False
Which type of blood cell fights against the germs or foreign materials that enter our body?
White blood cells (WBCs)
Red blood cells (RBCs)
Platelets
Plasma
- asthma
- eczema
- anaphylaxis
- nettle rash
Use of antihistamines and steroids gives quick relief from
allergy
cancer
headache
cholera
How are allergies caused?
- True
- False
Which of these body system(s) can be affected by a food-allergic reaction?
Respiratory system
Skin
All of the above
Gastrointestinal tract
- True
- False
An insect bite may result in the inflammation of that spot. This is triggered by the chemicals such as
interferons
histamines
steroids
antibodies
1 allergy
2 allergen
With example
Allergens can enter the human body through two main routes only: mouth and skin.
- True
- False
- C-12
- I-131
- Co-60
- P-31