CLINICAL MEDICINE

MEDICINE

INFECTIOUS DISEASES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which best distinguishes an infectious disease from a noninfectious disease?
A
Infectious diseases can be cured with antibiotics; noninfectious diseases cannot.
B
Infectious diseases can be prevented with vaccines; noninfectious diseases cannot.
C
Infectious diseases can be spread from one organism to another; noninfectious diseases cannot.
D
Infectious diseases cannot be transmitted from one organism to another; noninfectious diseases can.
Explanation: 

Detailed explanation-1: -Infectious diseases are transmitted from person-to-person through the transfer of a pathogen such as bacteria, viruses, fungi or parasites. A non-infectious disease cannot be transmitted through a pathogen and is caused by a variety of other circumstantial factors.

Detailed explanation-2: -Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some-but not all-infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious.

Detailed explanation-3: -Infectious diseases spread from one infected person to a healthy person. They are spread by various agents such as water, food, vectors, etc. Water-borne diseases are spread by the consumption of contaminated water such as cholera.

Detailed explanation-4: -Diseases are frequently referred to as communicable or non-communicable. Communicable diseases comprise infectious diseases such as tuberculosis and measles, while non-communicable diseases (NCDs) are mostly chronic diseases such as cardiovascular diseases, cancers, and diabetes.

Detailed explanation-5: -Plant diseases are classified as noninfectious if they are caused by some environmental factor and are not transmitted from one plant to another. Infectious diseases are those that are caused by a disease organism such as a virus, fungus, or nematode.

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