Tag: pathogen and their mode of transmission

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Questions Related to pathogen and their mode of transmission

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

Which of the following is not an air-borne disease?

  1. Black stem rust of wheat

  2. Coffee rust

  3. Blast of rice

  4. Potato mosaic disease
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An airborne disease is any disease that is caused by pathogens and transmitted through the air. Potato virus is transmitted by aphids by sticking to aphid mouth parts (stylet). The virus can be acquired from the infected plant within seconds, and transmitted to a healthy plant very fast. It can also be transmitted mechanically by machinery, tools, and damaging plants while walking through the field. Aphids are by far the most efficient means of transmission.

Therefore, the correct answer is option D.

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

Salmonella bacteria are usually spread via

  1. Raw meats, poultry and eggs

  2. Pickled vegetables

  3. Home-canned vegetables

  4. Raw vegetables
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Salmonella bacteria can be found in food products such as raw poultry, eggs, and beef, and sometimes on unwashed fruit. Food prepared on surfaces that previously were in contact with raw meat or meat products can, in turn, become contaminated with the bacteria. This is called cross-contamination.

Therefore, the correct answer is option A.

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

The bacteria can enter the food supply in a number of ways, including:

  1. Improper food handling

  2. Poor hygiene

  3. During poultry and meat processing

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

Explanation: The most common type of enteritis is caused by food poisoning. You get it after ingesting food or water that is contaminated with bacteria.

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

Mycoplasma mycoides causes which of the following disease?

  1. Bovine pleuropneumonia

  2. Inflammation of genitals

  3. Agalactia

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mycoplasma mycoides is the causative agent of Contagious Bovine Pleuropneumonia (CBPP), a serious respiratory disease in cattle.

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

A patient suffering from a chronic disease

  1. has abrupt attack of disease

  2. suffers from disease for a very long period

  3. suffers from disease for short period

  4. all of these.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chronic diseases last for a long time, even as much as a lifetime. The chronic diseases have drastic long term effects on patient's health.

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

An insect bite may result in inflammation of that spot.This is triggered by the alarm chemicals such as 

  1. Histamine and dopamine

  2. Histamine and kinins

  3. Interferons and opsonins

  4. Interferons and histones
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • Histamine is an organic nitrogenous compound which is involved in the inflammatory response and has a central role as a mediator of itching.  Histamine increases the permeability of the capillaries to white blood cells and some proteins at the site of inflammation.
  • Kinins are a group of substances formed in body tissue in response to injury or inflammation. They are polypeptides and cause vasodilation (increase blood flow) at the site of inflammation and smooth muscle contraction.
So, the correct answer is 'Histamine and Kinins'.
Multiple choice evs communicable diseases infectious diseases - transmission and prevention infectious diseases and how to prevent them pathogen and their mode of transmission

Crippling disease is caused due to poisoning of __________.

  1. Arsenic

  2. Lead

  3. Mercury

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

Arsenic poisoning is well-documented to cause 'crippling' skeletal deformities, a condition often referred to as arsenicosis, particularly in areas with high groundwater arsenic levels.

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

If a patient has to undergo dialysis, he is suffering from a severe ailment of the

  1. Respiratory systems

  2. Circulatory system

  3. Digestive system

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

Dialysis is the procedure used for cleaning the blood of a person by reparating the waste substance (urea) from it.