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NEET UG Human Health and Disease — practice questions — page 3

Explore 82 free Human Health and Disease questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Human Health and Disease questions and exercises with answers

Showing questions 61–82 of 82.

In an HIV-infected person, which cells act like an HIV factory?Read the answer and worked solution →Unlike malignant tumors, benign tumors usually:Read the answer and worked solution →Genes in normal cells that can cause cancer when activated are called:Read the answer and worked solution →Which of these DNA-damaging radiations is non-ionising?Read the answer and worked solution →Magnetic resonance imaging detects tissue changes using:Read the answer and worked solution →Alpha-interferon given to cancer patients acts as a:Read the answer and worked solution →Heroin, commonly called smack, is chemically:Read the answer and worked solution →Morphine is extracted from the latex of which plant?Read the answer and worked solution →Natural cannabinoids are obtained from which part of Cannabis sativa?Read the answer and worked solution →Cocaine interferes with the transport of which neurotransmitter?Read the answer and worked solution →Nicotine makes the adrenal gland release which hormones?Read the answer and worked solution →Smoking raises carbon monoxide in blood and so lowers its:Read the answer and worked solution →Adolescence is usually taken as which age range?Read the answer and worked solution →A psychological attachment to effects like euphoria from drugs is called:Read the answer and worked solution →With repeated drug use, body receptors begin to respond only to:Read the answer and worked solution →Chronic alcohol use damages the liver, causing:Read the answer and worked solution →Which anabolic steroid side effect occurs only in males?Read the answer and worked solution →Anabolic steroids may stunt growth in adolescents by causing:Read the answer and worked solution →Which parenting style is linked to lower risk of substance abuse?Read the answer and worked solution →People who inject drugs intravenously are at high risk of:Read the answer and worked solution →Health is best defined as a state of complete:Read the answer and worked solution →The injection given for a snakebite contains:Read the answer and worked solution →

Worked practice questions

In an HIV-infected person, which cells act like an HIV factory?

  1. Red blood cells
  2. Mast cells
  3. B-lymphocytes
  4. Macrophages
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Correct answer: D. Macrophages

Infected macrophages keep producing virus particles, so they act as an HIV factory.

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Unlike malignant tumors, benign tumors usually:

  1. Spread through the blood
  2. Invade nearby tissues
  3. Starve normal cells
  4. Stay at their original site
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Correct answer: D. Stay at their original site

Benign tumors remain confined to where they arose and cause little damage.

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Genes in normal cells that can cause cancer when activated are called:

  1. Viral oncogenes
  2. Proto-oncogenes
  3. Housekeeping genes
  4. Jumping genes
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Correct answer: B. Proto-oncogenes

Cellular oncogenes, or proto-oncogenes, sit in normal cells and can trigger oncogenic transformation.

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