MCQ IN MEDICINE

Detailed explanation-1: -All microbes won’t cause disease because there are certain microbes helpful for digestion and other life processes.

Detailed explanation-2: -FALSE. Most microbes either help human health or do not affect people’s health one way or the other. Of the millions of types of microbes in the world, only a few make us sick.

Detailed explanation-3: -Micro-organisms and higher organisms have evolved together and interact in complex ways. Only a small percentage of microbes are inherently pathogenic. Pathogenicity, the ability of infectious agents to cause disease, must be interpreted in the context of the properties of both transmissible agent and host.

Detailed explanation-4: -Lactobacillus acidophilus-part of the normal intestinal flora. Staphylococcus epidermidis-part of the normal skin flora. Brevibacterium linens are the ones causing the pungent smell of feet and socks.