Tag: some infectious diseases

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Questions Related to some infectious diseases

Multiple choice some infectious diseases infectious diseases health and diseases biology

Saline drip is given to a cholera patient because

  1. $NaCl$ kills Vibrio cholera
  2. $NaCl$ generates $ATP$
  3. $Na^{+}$ ions stops nerve impulse and hence sensation of pain
  4. $Na^{+}$ ions help in retention of water in body tissue
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Vibrio cholerae is the causative agent of cholera. The disease is characterized by the loss of excess water from the body leading to a condition called profuse secretory diarrhea. Giving saline drip or NaCl helps in helps in the retention of water by the body. Thus the correct answer is option B.
Multiple choice some infectious diseases infectious diseases health and diseases biology

Ronald Ross discovered female Anopheles to be vector of malaria while serving in

  1. Chennai

  2. Kolkata

  3. Pune

  4. Bangalore
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Sir Ronald Ross made his first major breakthrough in the study of malaria while working in Secunderabad. It was there that he raised 20 mosquitoes in 1897 and let them feed on a (paid) malaria patient’s blood. On August 20th—now commemorated as World Mosquito Day—Ross discovered the malarial parasite in the stomach of one of his mosquitoes. The next day, he confirmed that it was growing. It was in Kolkata the next year, at the Presidency General Hospital (now the SSKM Hospital), that Ross confirmed how the parasite spread. Using bird subjects to study avian malaria, he found that after developing in the stomachs of mosquitoes, the parasite would move to the salivary gland, from which it would infect new hosts.

So, the correct answer is 'Kolkata'.
Multiple choice some infectious diseases infectious diseases health and diseases biology

Fever has nothing to do with the bad air or haunted places. This was first proved by

  1. Ronald Ross

  2. Goss

  3. Golgi

  4. Correns
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Fever has nothing to do with bad air or haunted places. This was first proved by Ronal Ross by his discovery of the malarial parasite in the gastrointestinal tract of a mosquito in 1897 which proved that malaria was transmitted by mosquitoes.
  • Hence Fever has nothing to do with the bad air or haunted places. This was first proved by Ronald Ross.
  • So, the correct answer is 'Ronald Ross'.
Multiple choice some infectious diseases infectious diseases health and diseases biology

Rehydration therapy is a must for 

  1. Diarrhoea

  2. Cholera

  3. Both A and B

  4. Diarrhoea, Cholera and Dysentry

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • Cholera is an infection of the small intestine. The symptom includes large amounts of watery diarrhoea that lasts a few days, vomiting and muscle cramps may also occur. Diarrhoea can be so severe that it leads to severe dehydration and electrolyte imbalance.
  • Diarrhoea is the condition of having at least three loose or liquid bowel movements each day. It often lasts for a few days and can result in dehydration due to fluid loss.
  • Dysentery is an inflammatory disease of the intestine, especially of the colon, which always results in severe diarrhoea and abdominal pains.
  • Hence, rehydration therapy is a must for diarrhoea, cholera and dysentery.
So, the correct answer is 'Diarrhoea, Cholera and Dysentery'.

Multiple choice some infectious diseases infectious diseases health and diseases biology

Patients suffering from cholera are given saline drop as 

  1. Na$^{+}$ stops transmission of nerve impluse and hence sensation of pain

  2. Nacl supplies energy
  3. Na$^{+}$ helps retain water in the body

  4. NaCl functions as fuel for cellular activities
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cholera is an infection of the small intestine by the bacterium Vibrio cholerae. Symptoms include large amounts of watery diarrhoea that lasts a few days, vomiting and muscle cramps may also occur. Diarrhoea can be so severe that it leads within hours to severe dehydration and electrolyte imbalance. Patients suffering from cholera are given saline drop such as Ringer's lactate solution which contains sodium.  Excess sodium makes the body hold extra fluids in the cells because of the osmotic gradient. Hence, sodium helps retain water in the body.

So, the correct answer is 'Na+ helps retain water in the body'.

Multiple choice some infectious diseases infectious diseases health and diseases biology

Who discovered oocysts in the stomach of female Anopheles?

  1. Golgi

  2. Lamble

  3. Ronald Ross

  4. Charles Lavern
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sir Ronald Ross was a British medical doctor who received the Nobel Prize for Physiology or Medicine in 1902 for his work on the transmission of malaria.  While dissecting the stomach tissue of an Anopheles mosquito fed four days previously on a malaria patient, he found the oocysts (a cyst containing a zygote formed by the malaria parasite) and went on to prove the role of Anopheles mosquitoes in the transmission of malaria parasites in humans. 

So, the correct answer is 'Ronald Ross'.

Multiple choice some infectious diseases infectious diseases health and diseases biology

Patients suffering from cholera are given a saline drip because 

  1. $Na^+$ ions help in stopping nerve impulses and hence sensation of pain.
  2. $Na^+$ ions help in the retention of water in the body tissues.

  3. NaCl is an important component of energy.

  4. NaCl furnishes most of the fuel required for cellular activity.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cholera is caused by cholera toxin released by Vibrio cholerae. The symptoms include severe diarrhoea, vomitting, watery stools. All these result in the dehydration. The cholera toxin activates adenylate cyclase enzyme. This results in the continuous secretion of Cl$^−$, HCO$^{−3}$ and water in the intestine. In saline drip, Na$^+$ ions helps in maintaining the sodium-potassium pump and thus retention of water. Saline drip also provides glucose which will give energy. Hence, patients suffering from cholera are given a saline drip because Na$^+$  ions help in the retention of water in the body tissues.

Thus, the correct answer is 'Na$^+$  ions help in the retention of water in the body tissues.'

Multiple choice some infectious diseases infectious diseases health and diseases biology

Cholera is spread through ________

  1. Bite of female Anopheles mosquito

  2. Bite of female Culex mosquito

  3. Contaminated water

  4. The cough droplets from an infected person
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Explanation: Cholera is spread through intake of contaminated water or food in places that lack adequate sanitation facilities.