Normal microbiotaQuestion 33Answera.indefinitely colonize the body.b.are normally found in blood.c.both indefinitely colonize the body and take up residence in sites such as the colon and mouth.d.take up residence in sites such as the colon and mouth.

1. Distinguish between:a. pathogens, antigens and hostsb. prions, viruses and bacteriac. parasites, endoparasites and ectoparasites.2. Our microbiome consists of trillions of microorganisms that live in us and on us. Thebacteria that colonised the intestines after birth are important for development andfunction and are considered the normal flora of the gut. We depend on our gutbacteria to obtain vitamin K and vitamin B.a. Where do we obtain the bacteria that colonise our gut?b. Are any two people's gut microbiomes identical? Justify your response.c. Suggest factors that influence the composition of our gut microbiota over ourlifetime.3. Describe how our human microbiome protects us from pathogen attack. State fivediseases that have been linked to the microbiome

Briefly explain the "infection" and "colonisation" of microorganisms within a patient's body.

Question 15 (5 points) When pathogens leave the body via secretions or excretions such as mucus, vomit, blood, urine, feces, vaginal fluid, or semen, what is this called? Question 15 options: The portal of exit An exit strategy The way out Expulsion Question 16 (5 points) What type of environment is needed for a pathogen to survive and grow? Question 16 options: The temperature must be lower than 98.6°F. The environment should be highly acidic. Each pathogen requires an environment suitable to its type. The environment must contain oxygen. Question 17 (5 points) What can Gina do to protect herself from bodily fluids? Question 17 options: Wear personal protective equipment Use disposable equipment Wash her hands Carry a container for all used sharps Question 18 (5 points) What is/are the human body’s first line of defense against pathogens? Question 18 options: Eyelashes Skin Vaccination Tears Question 19 (5 points) The steps that occur for a disease to spread are referred to as the Question 19 options: path from entry to exit. countdown. path of pathology. chain of infection. Question 20 (5 points) Pesticides, toxins, and venoms are examples of what type of potential disease-causing factor? Question 20 options: Indirect Acute Environmental Genetic

describe what a microbiome is.

Normal flora are microorganisms:Multiple choice question.that live in or on our bodies and do not harm us.that cause serious illness in humans.that are only found in the brain and cardiovascular system.that cause cancer in humans.