Tag: infectious diseases

Questions Related to infectious diseases

Who initially developed the vaccine for rabies in man?

  1. Robert Koch

  2. Joseph Lister

  3. Louis Pasteur

  4. Stanley


Correct Option: C
Explanation:

Rabies is a disease which is caused when the infected animal bites the human. Rabies is a disease which is caused by the rabies virus. The vaccine for the treatment of the rabies was first developed by Louis Pasteur and Roux. This vaccine was developed in the year 1885 and was injected into a kid who was infected with rabies due to the dog bite.

Thus, the correct answer is 'Louis Pasteur'.

Rabies/Hydrophobia is caused by a

  1. Fungus

  2. Virus

  3. Bacterium

  4. Protozoan


Correct Option: B
Explanation:

Rabies or hydrophobia is a viral disease that causes inflammation of the brain in humans and other mammals. Early symptoms include fever and tingling at the site of exposure. The other symptoms include violent movements, uncontrolled excitement, fear of water, an inability to move parts of the body, confusion, and loss of consciousness. Hence, rabies is caused by the rabies virus.

So, the correct answer is 'Virus'.

The reservoir of rabies is 

  1. Rabid dogs

  2. Foxes,wolves and rabid dogs

  3. Dogs,foxes,wolves,jackals ,mongooses,bats,cats,skunks and coyotes

  4. Rabid ,dogs and cats.


Correct Option: C

A communicable disease, which if not controlled immediately is 100% fatal is ________.

  1. Syphilis

  2. Kala-azar

  3. Filariasis

  4. Hydrophobia


Correct Option: D
Explanation:

Hydrophobia, also known as rabies is a viral disease that causes inflammation of the brain in humans and other mammals. Early symptoms can include fever and tingling at the site of exposure. Rabies virus is typically transmitted to humans by the bite of an infected mammal, often a carnivore or a bat. If rabies is untreated properly, 100% fatality rate is associated with infection. 

So, the correct answer is 'Hydrophobia'.

In India, the non-rabies zone is

  1. Goa

  2. Lakshadweep

  3. Tamil Nadu

  4. Kashmir


Correct Option: B
Explanation:

Rabies is a major public health problem in India. The disease occurs in all parts of the country except Lakshadweep islands because of lack of dogs (vector of rabies virus) in that particular region. About 7-10 thousand cases are reported every year. About 30,000 persons contract rabies and die; more than 2 million people are exposed to animals every year and about 1 million are administered anti-rabies vaccines.

Anti-rabies vaccine was discovered by

  1. Edward Jenner

  2. James Lind

  3. Louis Pasteur

  4. Robert Koch


Correct Option: C
Explanation:

Vaccines are the suspension of the live or killed microorganism which mainly activates the immune response. Louis Pasteur produced the first vaccine for rabies by growing the virus in rabbits. Pasteur was the first scientist to artificially attenuate viruses for use in vaccines. He created several veterinary vaccines before his development of the rabies vaccine in 1885 for use in humans. So, the correct answer is option C.

Zoonotic disease transmitted to humans is 

  1. Measles

  2. Diphtheria

  3. Trachoma

  4. Rabies


Correct Option: D
Explanation:

Zoonotic disease refers to an infectious disease, and it can be passed directly or indirectly between species such as from vertebrate animals to humans. It is transmitted to humans is rabies, and humans acquire this disease from animals (dogs, cats and monkeys). The disease (rabies)-causing agent is a virus.

So, the correct answer is 'Rabies'.

Which of the following animals cannot carry the rabies virus?

  1. Skunk

  2. Cow

  3. Deer

  4. Crow


Correct Option: D
Explanation:

Explanation: Any warm-blooded animals, domestic or wild, can carry rabies. Other animals such as birds, reptiles, amphibians, or fish neither contract rabies nor pass on the virus.

How soon do symptoms typically appear after a person is infected with the rabies virus?

  1. 48 hours

  2. 1 week

  3. 1 month

  4. 1 year


Correct Option: C
Explanation:

Explanation: Symptoms usually appear 30 to 90 days after exposure. Depending on the severity of the bite and the place on the body that was bitten, symptoms may appear more quickly. In rare cases, however, a person may not develop symptoms until a year or more after exposure.

Which of the following statements about rabies in people is false?

  1. Rabies virus targets the brain and spinal cord

  2. Rabies is almost always fatal once symptoms appear

  3. Rabies symptoms will almost always appear within a few days

  4. Rabies can lead to organ failure, coma and death


Correct Option: C
Explanation:

Explanation: In humans it may take from as early as two weeks to as late as one year after exposure for symptoms to appear.