Human Health and Disease

Multiple Choice Questions

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In mammals, histamine is secreted by

  • Fibroblasts

  • Histocytes

  • Lymphocytes

  • Mast cells

D.

Mast cells

Histamine is a potent vasodilator formed by decarboxylation of the amino acid histidine and released by mast cells in response to appropriate antigens.

Mast cells which secrete histamine are especially prevalent in the connective tissue of the skin and respiratory tract and in surrounding blood vessels.

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    Alcoholism may leads to

    • Skin cancer

    • Liver cirrhosis

    • Viral disease

    • Eye Infection

    Answer

    Which of the following is mismatched?

    • Vitamin K- Beriberi

    • Vitamin D-Rickets

    • Vitamin C - Scurvy

    • Vitamin A-Xerophthalmia

    Answer

    Aspirin is a/an

    • antibiotic

    • antipyretic

    • antiseptic

    • none of the above

    Answer

    Sporogony of malarial parasite occurs in

    • liver of man

    • RBCs of man

    • salivary glands of mosquito

    • stomach wall of mosquito

    Answer
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    The protein products of tumour suppressor gene may

    • Be present in non-cancerous cells

    • Cause signal cell death

    • Regulate the cell cycle

    • All of the above

    Answer

    Sir Godfrey Hounsfield developed the diagonosi technique of

    • CT scanning

    • MRI

    • Endoscopy

    • Bronchoscopy

    Answer

    Secondary body cavity with segmented mesodermal lining is called

    • Haemocoel

    • Neurocoel

    • True Coelom

    • Pseudocoelom

    Answer

    Vaccine for tuberculosis is known as

    • PAS vaccine

    • BCG vaccine

    • OPVA

    • DPT

    Answer
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    Active immunity means

    • Resistance developed after disease

    • Increasing quantity of blood

    • Resistance developed before the disease

    • Increasing rate of heart beat

    Answer
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