Kit Library / Science / Human Physiology

⚡ Topic Learning Kit

Health & Disease

English 15 leveled MCQs Free

Shared by a Veda teacher · Generated with Veda AI

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1

Human Health and Disease: Immunity, Vaccination, and Cancer

~8 min · full explanation, examples & memory tricks in the app

❓ Leveled MCQ practice

Try the smart MCQs from this kit

15 questions laddered from warm-up to topper-level, each with an explanation. A taste:

Which of the following is an example of a non-specific defense mechanism?

Beginner
A Cytotoxic T cell killing infected cells B Antibody production by B cells C Mucous membranes trapping pathogens D Memory B cell response
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Mucous membranes trapping pathogens

Mucous membranes act as physical barriers and are part of innate (non-specific) immunity, while the other options involve specific adaptive immune responses.

Which type of immunity is acquired by receiving antibodies from mother to fetus through the placenta?

Intermediate
A Active natural immunity B Passive artificial immunity C Active artificial immunity D Passive natural immunity
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Passive natural immunity

Antibodies are transferred naturally from mother to fetus, providing passive immunity without the fetus producing its own antibodies.

What is the primary purpose of a vaccine?

Beginner
A To directly kill pathogens in the body B To provide immediate passive immunity C To cure an existing infection D To stimulate the immune system to produce memory cells
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To stimulate the immune system to produce memory cells

Vaccines contain antigens that trigger an adaptive immune response, leading to the formation of memory B and T cells for long-term protection.

Which of the following is a characteristic of cancer cells?

Intermediate
A They always remain in their original tissue B They have a reduced mutation rate C They undergo controlled cell division D They lack contact inhibition
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They lack contact inhibition

Cancer cells lose contact inhibition, allowing them to divide uncontrollably and invade other tissues.

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