Allergic Reaction

Q. Assertion: Interstitial cell is present in the region outside the seminiferous tubule called interstitial space.

Reason: Leydig cells produce testosterone without the presence of luteinizing hormone (LH).

1. Both assertion and reason are true and reason is the correct explanation of assertion
2. Both assertion and reason are true but reason is not the correct explanation of assertion
3. Assertion is true but reason is false
4. Both assertion and reason are false

Q. Mast cells secrete:
a - Histamine
b - Serotonin
c - Heparin

1. Only a
2. Only a and b
3. All a, b and c
4. Only c

Q. Incidence of emphysema, a respiratory disorder is high in cigarette smokers. In emphysema,

1. the bronchioles are found to be damaged
2. the alveolar walls are found to be damaged
3. the bronchi are found to be damaged
4. the respiratory muscles are found to be damaged

Q. What activates JGA to release renin ?

Q. Type of immunoglobulin present in colostrum/only mother’s milk:

1. IgA
2. IgG
3. IgD
4. IgE

Q. The source of the anticoagulant heparin is _____ cell.

1. mast cell
2. macrophage
3. fibroblast
4. neutrophil

Q. Inflammatory response in allergy is due to release of what by mast cells?

1. Antibodies
2. Antigens
3. Histamine
4. Anti-histamine

Q. An insect bite may result in inflammation of that spot that is triggered by the alarm chemicals such as

1. interferons and opsonin
2. Interferons and histones
3. histamine and dopamine
4. Histamine and kinins

Q. Regarding the assertion and reason, choose the correct option.
Assertion [A]: Mast cells release excessive amounts of inflammatory chemicals which cause allergic reactions.
Reason [R]: Allergens in the environment on reaching human body stimulate mast cells in certain individuals.

1. Both assertion and reason are correct and reason is the correct explanation
2. Both assertion and reason are correct and reason is not the correct explanation
3. Assertion is correct but reason is wrong
4. Both assertion and reason are wrong

Q.

Define Perennial allergy.

Q.

Is lactose intolerance a digestive disorder?

Q.

Write the symptoms of food allergy. Name the common allergenic foods.

Q. Give an account on hypersensitivity or allergic reactions.​

Q.

Fill in the blanks: Why are you feeling so __________? Has anyone treated you ________? English - Q&A

1. bad, badly

2. badly, bad

3. badly, badly

4. bad, bad

Q.

What is the safest type of respiratory protection to use when you work in the atmospheres that contain Hydrogen sulfide?

Q. At a new place you suddenly start sneezing and wheezing. The statement correctly correlate this condition
(i) This is exaggerated response of the immune system
(ii) Symptoms are watery eyes and running nose
(iii) Due to the release of chemicals like adrenaline, steroids and histamine
(iv) Antibodies produced to these are IgE type
(v) Rheumatoid arthritis is an example.

1. i, ii, iv are true
2. i, ii, iii, iv are true
3. i, iii, iv are true
4. All are correct except v

Q. Mast cells secrete.

1. Serotonin
2. Heparin
3. Histamine
4. All the above

Q.

Fill in the blanks with suitable words:

…….Is used in filters to remove offensive air from the smell.

Q.

Function of mast cell

Q.

Define seasonal allergy?

Q.

………. is used in filters to remove the offensive smells from the air.

Q.

Write down the causes of histamine.

Q. Which of the following match is correct?

1. Asthma: increase of surface area of alveoli and bronchi
2. Emphysema: reduction of surface area of alveoli and bronchi
3. Silicosis: inflammation of alveoli
4. Pneumonia: occupational disease with asbestos

Q. Many people experience allergic symptoms of sneezing or wheezing on exposure to certain substances in the environment. Give two examples of such substances. Which type of antibodies are produced by the body in response to these substances? Mention the role of mast cells in this kind of allergic response.

Q. Long term effects of smoking does not cause

1. liver cirrhosis
2. lung cancer
3. coronary heart disease
4. emphysema

Q. A foreign DNA is inserted and ligated at BamHI site of $pBR322$. Select the statement that stands true for non recombinant transformants.

1. They are susceptible to both ampicillin and tetracycline
2. They are resistant of ampicillin but susceptible to tetracycline
3. They are resistant to tetracycline but susceptible to ampicillin
4. They are resistant to both ampicillin and tetracycline

Q. Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy.

Q. State whether True/ False
Activated mast cells with IgE antibodies release histamine.

1. False
2. True

Q. The class of drugs used to treat allergic reaction

1. Histamine
2. Antimetabolites
3. Antihistamines
4. All of the above

Q. Symptoms of dust allergy are _______ of eyes and difficulty in ________.