Tag: pathogen and their mode of transmission

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Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

How is infection transferred from one human to another ? 

  1. Coughing or sneezing

  2. Both A and C

  3. Through contaminated hands

  4. Through soil
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

There are numerous ways through which infections can be transmitted. Coughing by the infected person can cause transfer as the organisms coming out are inhaled by the healthy person. No use of proper sanitization can also cause transmission of diseases. Therefore, (b) is the correct answer.

Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

What is latent infection?

  1. Does not show signs and symptoms at first

  2. It can be treated at the earliest

  3. Shows signs and symptoms at the earliest

  4. Both B and C
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Latent infection is one which do not show any signs or symptoms at first but can naturally develop over time. Therefore, (a) is the correct answer.

Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

Which of the following groups of the disease, the causative microorganism and disease symptom is/are true?

  1. Malaria - Protozoan - Fever and chill

  2. Hepatitis-B - Virus - Swollen liver

  3. Cholera - Bacteria - Vomiting and diarrhoea

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Malaria is a protozoan disease caused by Plasmodium. The symptoms are periodic chills and fever. 
Hepatitis is the condition in which the cells of the liver gets inflamed and swollen. This may be due to an infection by the hepatitis B virus.
Vibrio cholerae is the bacterium which is responsible for the disease, cholera. The symptoms of the disease are muscle cramps due to loss of electrolytes, diarrhoea, vomiting, dehydration, the passage of watery stools, etc.
Thus, the correct answer is option D. 
Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

Match the following diseases in column-I with their pathogens in column-II.

Column-I Column-II
a. Measles 1. Protozoa
b. Cholera 2. Virus
c. Kalaazar 3. Bacteria

  1. a-1, b-3, c-2

  2. a-1, b-2, c-3

  3. a-2 ,b-1, c-3

  4. a-2, b-3, c-1
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Measles is caused by the type of paramyxovirus known as rubella virus.

Cholera is caused by the bacterium  Vibrio cholerae. 
Leishmaniasis or kala-azar is a common disease caused by protozoan Leishmania donovani.
Thus, the correct answer is option D. 

Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

Hemorrhagic Septicaemia is also known as ___________.

  1. Pasturellosis

  2. Shipping fever

  3. Ghatsurp

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Explanation: It is an actual infectious disease of cattle, buffalo, sheep and goat. It distances transportation. In India, the disease is enzootic in nature. Etiology environmental conditions, malnutrition and long distance transportation. In India, the disease is enzootic in nature.

Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

Diseases that spread by vectors, such as mosquitoes, are

  1. Encephalitis and Malaria.

  2. Syphilis and AIDS.

  3. Tuberculosis and Sleeping sickness.

  4. Kala-azar and SARS.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Encephalitis is the disorder in which there is inflammation of the meninges of the brain. This disease may be caused due to bacterial or viral infection and is transmitted by the vector which is the Culex mosquito. Malaria is a disorder which is caused by the protozoan Plasmodium vivax. The disease is transmitted by the Anopheles mosquito. 

Thus, the correct answer is option A. 

Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

Which disease is spread by Housefly?

  1. Dengue fever

  2. Encephalitis

  3. Filariasis

  4. Gangrene.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$\rightarrow $ Gangrene.


$\Rightarrow$ Gangrene is a term that described dead or dying tissue that occurs because the local blood supply is totally cut off or not in that sufficient way to keep the body tissue in alive way.

Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

Vectors are

  1. Physalia, Musca domestica and Anopheles

  2. Amoeba Physalia and Musca

  3. Anopheles, Musca and Culex

  4. All the above.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • A disease vector is an agent who carries and transmits an infectious pathogen into another living organism.
  • Female Anopheles mosquito serves as vector for malaria.
  • Musa(house fly)serves as a vector for at least 65 diseases to humans, including typhoid fever, dysentery, cholera, poliomyelitis, yaws, anthrax, tularemia, leprosy, and tuberculosis.
  • Culex mosquito serves as a vector for arbovirus infections such as West Nile virus, Japanese encephalitis, or St. Louis encephalitis, but also filariasis.
  • Hence Vectors are Anopheles, Musca, and Culex.
  • So, the correct answer is 'Anopheles, Musca, and Culex'.
Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

Droplet infection is a mode of 

  1. Direct transmission

  2. Indirect transmission

  3. Pathogen spread through mosquitoes

  4. Fomite transmission
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Droplet infection is an infection transmitted from one individual to another by droplets of moisture expelled from the upper respiratory tract through sneezing or coughing. Direct transmission occurs when there is physical contact between an infected person and a susceptible person. Droplet infection is a mode of direct transmission in which the infection is transmitted by coughing, sneezing.

So, the correct answer is 'Direct transmission'.

Multiple choice evs - i infectious diseases and how to prevent them energy and health infectious diseases - transmission and prevention credit communicable diseases pathogen and their mode of transmission

Out of pneumonia, gangrene, yellow fever, dengue fever, malaria and elephantiasis, mosquitoes transmit diseases

  1. 6

  2. 4

  3. 3

  4. 2.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • Diseases transmitted by mosquitoes include: malaria, dengue,Yellow fever,Elephantiasis West Nile virus, chikungunya, filariasis, tularemia, dirofilariasis, Japanese encephalitis, Saint Louis encephalitis, Western equine encephalitis, Eastern equine encephalitis, Venezuelan equine encephalitis, Ross River fever, Barmah Forest fever, La Crosse encephalitis, and Zika fever,as well as newly detected Keystone virus and Rift Valley fever.
  • Out of pneumonia, gangrene, yellow fever, dengue fever, malaria and elephantiasis, mosquitoes transmit 4 diseases they are Yellow fever, dengue, malaria, and elephantiasis.
  • So, the correct answer is '4'.