LIVE Course for free

Rated by 1 million+ students
Get app now
JEE MAIN 2023
JEE MAIN 2023 TEST SERIES
NEET 2023 TEST SERIES
NEET 2023
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
15.6k views
in Biology by (53.3k points)

(i) Which organ of the human body is initially affected when bitten by an infected female Anopheles? Name the stage of the parasite that infects this organ.

(ii) Explain the events that are responsible for chill and high fever in the patient.

1 Answer

+1 vote
by (65.7k points)
selected by
 
Best answer

(i) Liver cells, sporozoites.

(ii) Parasites reproduce asexually in RBC/ multiply, Rupture of RBCs, is associated with release of toxic substance called as hemozoin.

Detailed:

The infected female anopheles is the carrier of malaria parasite called Plasmodium. When bitten by this carrier the liver is initially affected. The infective stage of Plasmodium is sporozoite which is injected into the blood by female anopheles. From blood the sporozoites reach the liver cells where they multiply in liver cells. Tire liver cells rupture and liberate the parasite in blood where they attack RBCs. multiply and cause their rupture. Rupture of RBCs is associated with the release of a toxin called as hemozoin, which causes chill and high fever recurring every 3-4 days.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...