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MHT-CET Human Health and Disease — practice questions — page 3

Explore 90 free Human Health and Disease questions in MHT-CET 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 61–90 of 90.

Typhoid fever in humans is caused by which organism?Read the answer and worked solution →Which test is used to confirm typhoid fever?Read the answer and worked solution →Sustained high fever in typhoid typically reaches aboutRead the answer and worked solution →Which pair of bacteria is responsible for pneumonia in humans?Read the answer and worked solution →The common cold is caused by which group of viruses?Read the answer and worked solution →Plasmodium enters the human body in which infectious form?Read the answer and worked solution →The chill and fever of malaria recur because RBC rupture releasesRead the answer and worked solution →Malarial chill and fever recur at intervals of aboutRead the answer and worked solution →Plasmodium first multiplies within which human cells?Read the answer and worked solution →Amoebic dysentery is caused by the protozoanRead the answer and worked solution →Which helminth is known as the common round worm?Read the answer and worked solution →Elephantiasis is caused by the filarial wormRead the answer and worked solution →Filarial worms usually cause chronic inflammation of theRead the answer and worked solution →Ringworm is caused by fungi of which genera?Read the answer and worked solution →Which symptom marks ringworm infection?Read the answer and worked solution →Aedes mosquitoes are vectors of which pair of diseases?Read the answer and worked solution →Which deadly disease has been completely eradicated by vaccination?Read the answer and worked solution →The overall ability of the host to fight disease-causing organisms isRead the answer and worked solution →Which type of immunity is non-specific and present from birth?Read the answer and worked solution →Skin and mucus coating of epithelium are examples of which barrier?Read the answer and worked solution →Neutrophils, monocytes and macrophages that phagocytose microbes form theRead the answer and worked solution →Which immunity is pathogen specific and shows memory?Read the answer and worked solution →Which cells produce antibodies in response to pathogens?Read the answer and worked solution →What is the role of T-cells in antibody production?Read the answer and worked solution →Cell-mediated immunity is carried out by which cells?Read the answer and worked solution →Rejection of a transplanted graft is due to which response?Read the answer and worked solution →Immunity from antibodies made in the host after antigen exposure isRead the answer and worked solution →Giving ready-made antibodies to the body produces which immunity?Read the answer and worked solution →MALT in the lymphoid system stands forRead the answer and worked solution →Which technique builds a three-dimensional view of the inside of an object using X-rays?Read the answer and worked solution →

Worked practice questions

Typhoid fever in humans is caused by which organism?

  1. Streptococcus pneumoniae
  2. Haemophilus influenzae
  3. Salmonella typhi
  4. Entamoeba histolytica
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Correct answer: C. Salmonella typhi

Salmonella typhi is the bacterium that enters the small intestine through contaminated food and water.

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Which test is used to confirm typhoid fever?

  1. ELISA test
  2. Biopsy test
  3. Mantoux test
  4. Widal test
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Correct answer: D. Widal test

The Widal test is the classic laboratory confirmation for typhoid.

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Sustained high fever in typhoid typically reaches about

  1. 37 to 38 degrees C
  2. 39 to 40 degrees C
  3. 41 to 42 degrees C
  4. 35 to 36 degrees C
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Correct answer: B. 39 to 40 degrees C

Typhoid produces a sustained high fever in the range of 39 to 40 degrees Celsius.

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