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

Nirvaan Bhardwaj
Jan 30, 2020
No idea

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

Ruby Singh
Mar 18, 2020
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

Subhash Ghosliya
Aug 02, 2020
Hemozoin is released into blood during the infection of plasmodium vivax every 72hours during the plasmodium cycle.

Muskaan Maqbool
Mar 26, 2020
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....

Mohsi N Hat
Mar 23, 2020
72 hrs

Mohsin Patel
Apr 12, 2020

Raichal Raichal
Jun 13, 2020
Compare to plasmodium( vivax), (falciparum), (malaria) takes_72hr_ bcoz it take 3days to mature parasites to enter the bloodstream and begin to infect RBC but the vivax and falciparum takes 2(48hr)days to mature and infect the RBC

Sainath Dasari
Jun 17, 2020
Haemozoin is a malarial pigment that release every 72 hours after infection.

Muhammad Janeesh
May 08, 2020

Ruman Das
Apr 11, 2020
48hrs for plasmodium vivax, falciparum and ovale... And 72 hours for malariae..

Sri Lakshmi
May 26, 2020

Jeel Baldaniya
May 05, 2020
48 hour is right answer,finally

Ruchi Mehra
Apr 26, 2020
According to me ans should be c(48hrs) as P.vivax cause tertiary malaria in which fever repeated every 3rd day after a gap of 48hrs.

Aman Kumar
May 26, 2020
According to ncert option c is correct but acording to Pardeep book both b& c is correct

Balaram Sahoo
Apr 08, 2020
As it is a benign terian meleria every 3day is itsincubation period

Piya Thakur
Jul 15, 2020
Because the Hemozoin is released into blood during the infection of plasmodium vivax is in the 3-4 days that mean 72hrs. one day 24 hrs so in 3 days, 24 multiply by 3, it Will be 72 hrs.

Saloni Rathod
Sep 19, 2020
Hemozoin is realesed into the blood stream after rupture of RBC .and after 72 hour of every infection of plasmodium vivax

Tejasvi M
May 06, 2020
Hemozoin is released after every 72 hrs.... bcoz....when sporozoites leaves the RBCs
.. using hemoglobin as it's food..releases hemozoin as it's waste which becomes toxic to the body....and it's life in RBC is 72 hrs....or you say it releases hemozoin ....after it's cycle of 72hrs

Abhijeet Ingle
Apr 03, 2020
The correct answer is 48 hours .please refer related sources.this is the correct answer

Abimel Sbkulumala
May 18, 2020
Option B becaus hemozoin is ingested by circulating and resident phagocytes. One study investigated the percentage of Hz-containing granulocytes and monocytes in circulation as a predictor of disease outcome , while another reported median half-lives of 72 hours for Hz-containing granulocytes and 216 hours for Hz-containing monocytes in circulation Although the prolonged presence of Hz in tissues of individuals that had suffered from Plasmodium infections has been reported since the 19th century little is known about the long-term kinetics of Hz in vivo.

Ashlin Vinisha
Aug 03, 2020
One day 24 hrs.So in 3 days it is 72 hrs.

Supriya Yadav
Mar 18, 2020
ACC. to NCERT haemozoin recurring every 3_4 days from the infection

Raseen Razi
Jun 20, 2020
It wil take 3 days to show the chill..it i is produced by heamozoin

Hemozin is a fluid released by rupture of cell infected by plasmodium. Usually plasmodium cause malaria, during malaria the fever is at 103_104degree celsius. It caused for every 3days means every 48 to 72 hours.

Jhili Padhan
Jun 21, 2020
48 hours that i think so

Manjima Ma
Aug 11, 2020
When hemozoin is relesed fever occurs recurring every 3-4 days

Sudeep Dharan
Jun 09, 2020
Cuz you have recurring fever every 3 days given in ncert pg no 147

As we know that hemozoin is responsible for the chill and high fever. It affects Blood in about 72 to 96 hours. So the option B is correct.

Tejaswini Kammari
Jun 17, 2020
Ans is option c heamozin is released every 48 hrs

Arushi Thakur
Mar 29, 2020
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.

Pola Durgabhavani
Jun 03, 2020
Feaver will be reoccurringfor every 3to4 day s due to release of heamozoin

Abhishek Gudagi
Jul 10, 2020
Option b is correct because in malaria, fever and chills occurs at every 3rd or 4th days
Haemozoin are ruptured rbc cells which cause fever

Sharmistha Giri
Apr 30, 2020
Haemozoin recurring 72 hours after infection

Varuna Sri
Aug 02, 2020
72 hours ..because...sporozoites attack RBC cell after 3rd day from infected day...after feed on Kupffer cells in liver it reaches RBC and feed haemoglobin ( globin ) part then it changes to toxic haemozoin it cause severe chillness...

Anaswara Rajput
Aug 27, 2020
Correct answer is option (B)72hrs

Aditya Bhakar
Aug 25, 2020
12 hours So option A is correct

Dibyendu Pal
Jul 27, 2020
Correct answer is option C.

Animesh Nhagal
Apr 18, 2020
Cyclic chill and fever when toxic released every 72 hours

Bharti Pal
May 14, 2020
Haemozoin is released due ruptured red blood cell and hence responsible for high fever and chills

Harsh Gandhi
Jul 03, 2020
According to me answer is 48 hour

Just relate it buddy. we know that haemozoin is responsible for the recurring fever or chilliness every three to four days. hence it is obvious that haemozoin will be released every 3 to 4 days which means every 72 to 96 hours.

Khurshid Ali
Jul 20, 2020
72 hrs
as the chills apper every 3-4 days

Doctor Santosh
Aug 04, 2020
During the blood 
, a merozoite invades a healthy 
red blood cell
); once inside, over a 
 of 48 h, it divides into 16–32 daughter merozoites by consuming the host hemoglobin; and finally, the merozoites exit the cell by piercing a hole in the plasma membrane , and release the digested hemoglobin as hemozoin.

Sukanya Bhardwaj
Apr 29, 2020
B in every 3-4 days means 72 hrs right answer

Yahya Yahya
Aug 21, 2020
I think amswer is 48 hours