Hemozoin is released into blood during the infection of Plasmodium vivax every___.
  • a)
    12 hrs
  • b)
    72 hrs
  • c)
    48 hrs
  • d)
    24 hrs
Correct answer is option 'B'. Can you explain this answer?

NEET Question

By Vaibhav Grover · Jan 29, 2020 ·NEET
25 Answers
Ruby Singh answered 2 weeks ago
As the haemozoin is responsible for the chill and the high fever for reccuring its every 3 to 4 days it realese which means 72 hours

Muskaan Maqbool answered 5 days ago
Malaria caused by plasmodium vivax is a tertian malaria I.e symptoms are shown periodically after three days...these symptoms arise due to release of haemozoin in the blood....

Punyaslok Tripathy answered 4 weeks ago
Explanation:Hemozoin (Hz) is released into the blood stream after rupture of infected red blood cells (iRBCs) at the end of each parasite replication cycle. This free Hz is ingested by circulating and resident phagocytes. The presence of Hz in tissues after clearance of infection has been previously reported. Still, little is known about the kinetics of Hz in vivo, during and after Plasmodium infection. It is particularly important to understand Hz kinetics after malaria infections as it has been reported that Hz is associated with impairment of immune functions, including possible consequences for coinfections. Indeed, if Hz remains biologically active for prolonged periods of time inside immunocompetent cells, the potential consequences of such accumulation and presence to the immune system should be clarified.

Ans:72 hrs

Supriya Yadav answered 2 weeks ago
ACC. to NCERT haemozoin recurring every 3_4 days from the infection

Mohsi N Hat answered 2 weeks ago
72 hrs

Aishwarya Shree answered 3 weeks ago
They are blood digesting parasites right?

Arushi Thakur answered 2 days ago
If we talk about normal malaria then its most common symptom are bouts of fever in every 3 days which means that it releases its toxin after every three days hence ans. shoul be 72hrs.

Sanjana Singh answered Jan 30, 2020
Hemozoin is released into blood during the infection of Plasmodium vivax during every 3-4 days that means 72 hrs.

Afifa Aaliya answered Feb 22, 2020
Actually 48 hours will take to homozine released into blood during the infection of plasmodium vivax. But according ncert it takes 3 to 4 days. release homozine causes chill and high fever recurring every 3 to 4 days. According to ncert option " B " is correct answer.

Manjit Gupta answered 4 days ago
Hemozoin is released at interval of 3day (72hours) causing high fever.

Sykamdeepthi Reddy answered 4 days ago
B that is why the fever reoccurs for 3 days

Meghna Mishra answered 12 hours ago
After every 48 hrs.

Nishtha Shah answered 2 weeks ago
Plasmodium vivax ruptures R.B.C. after 3 days and therefore is causes tertian malaria.

Ankita Malik answered 2 weeks ago
I think the 4 sp of plasmodium known to effect the human body and produced inorganic Crystal Hz is released in food vacuole and parasites infects the rbc so the correct option is b

Manvitanu Sudan answered 2 days ago
Bcz plasmodium attacks after 72 hrs

Nureen Khan answered Jan 29, 2020
According to the ncert..haemozoin is released every 3-4 days...

Adithya Shasan answered Feb 26, 2020
Option B : 72 hrs

Rana Mondal answered 19 hours ago
Erythrocytic cycle of plasmodium vivax : 72 hours

Rahul Kumar answered Jan 30, 2020
Infection due malaria causes rupture of RBCs which is asssociated with release of HEMOZOIN.This hemozoin is responsible for chilled and shivering fever in every 3-4 days. Therefore option B should be correct . 

Dhirendra Kumar answered 19 hours ago
72 hrs is wright

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