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Human Health and Disease · Question 79

AIPMT 2007MCQEasy📈 Topic in 12% papers+4−1
1

Increased asthmatic attacks in certain seasons are related to:

  1. Eating fruits preserved in tin containers
  2. Inhalation of seasonal pollen
  3. Low temperature
  4. Hot and humid environment

Answer

(2) Inhalation of seasonal pollen

Solution

As per NCERT, the exaggerated response of the immune system to certain antigens present in the environment is called allergy; the substances causing it are allergens, e.g., mites in dust, pollens, animal dander.

⇒ Allergy causes release of chemicals like histamine and serotonin from mast cells.

∵ Pollen grains of many plants are produced in particular seasons, their inhalation in those seasons triggers allergic asthma (spasm of bronchi).

∴ Increased asthmatic attacks in certain seasons are related to inhalation of seasonal pollen.

Answer: (2)

AIPMT 2007

Keep practising — Human Health and Disease

2

Lysozyme that is present in perspiration, saliva and tears, destroys:

  1. Certain types of bacteria
  2. Most virus-infected cells
  3. All viruses
  4. Certain fungi
AIPMT 2007
3

HIV that causes AIDS, first starts destroying

  1. Helper T-lymphocytes
  2. B-lymphocytes
  3. Leucocytes
  4. Thrombocytes
AIPMT 2006
4

A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from-

  1. Mood disorders
  2. Addictive disorders
  3. Schizophrenia
  4. Borderline Personality Disorder (BPD)
AIPMT 2006
5

Antibodies in our body are complex-

  1. Prostaglandins
  2. Steroids
  3. Glycoproteins
  4. Lipoproteins
AIPMT 2006
6

Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness ?

  1. Hashish
  2. Amphetamines
  3. Morphine
  4. Valium
AIPMT 2005
7

Damage to thymus in a child may lead to

  1. A reduction in stem cell production
  2. Loss of cell mediated immunity
  3. A reduction in haemoglobin content of blood
  4. Loss of antibody mediated immunity
AIPMT 2005
8

Which one of the following is not correctly matched ?

  1. Anopheles culicifacies – Leishmaniasis
  2. Glossina palpalis – Sleeping sickness
  3. Culex pipiens – Filariasis
  4. Aedes aegypti – Yellow fever
AIPMT 2004
9

Carcinoma refers to :-

  1. Malignant tumours of the colon
  2. Benign tumours of the connective tissue
  3. Malignant tumours of the connective tissue
  4. Malignant tumours of the skin or mucous membrane
AIPMT 2003
10

Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as :-

  1. Passive immunity
  2. Cellular immunity
  3. Innate non-specific immunity
  4. Active immunity
AIPMT 2003
11

Cancerous cells can easily be destroyed by radiations due to : -

  1. Fast mutation
  2. Lack of oxygen
  3. Rapid cell division
  4. Lack of nutrition
AIPMT 2002

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