_____ is any disease that is caused by a pathogen
Infectious disease
Examples of pathogens
bacteria, viruses, fungi, parasites
____ it is when an infectious disease spreads quickly to more people than experts would have expected
Epidemic
_____ is a disease outbreak that spreads across countries or continents
Pandemic
What is the difference between a pandemic and epidemic ?
A pandemic takes more lives a pandemic effects more people
______ infection is an infection that appears in a patient under medical care in the hospital or other health care facilities
Nonocimial / health care associated infection
للمعلومه
(HCAI ) = health care associated infection
True or false : HCAI is always present in the time of admission to the hospital
False , sometimes the infection is absent in the admission
True or false : HCAI infection can occur during health care delivery for other disease
True
True or false : HCAI can occur even after the patient has been discharged
True
True or false : HCAI can comprise occupational infection among the medical staff
True
_____ A tiny single celled organism that gets nutrients from their environment ( the environment can be humans , animals .... )
Bacteria
True or false : some bacteria are good for our bodies and some bacteria are used to make medicine and vaccines
True
Bacteria is categorized according to shape to four categories:
1- spherical ( cocci ) 2- rod ( bacilli) 3- spiral ( spirilla ) 4- comma ( vibrios )
True or false : bacteria only exist in chains
False , they can exist as single cells Or pairs or chains or clusters
______ is a method of differentiating bacterial species into two large groups ( gram positive / gram negative )
Gram stain
Gram positive bacteria ___ the stain
Retain
Gram negative bacteria ___ the strain
Losses
True or false : viruses are larger then bacteria
False bacteria is larger
______ organisms that aren't even a full cell but simply a genetic material that is inside of a protein coating
Viruses
True or false : viruses can live independently
False they use another cell's structure to reproduce , so they cannot survive unless they are living inside of something else
True or false : viruses always causes very serious diseases like smallpox or HIV
False , sometimes they cause minor sickness like colds and flu
______ organisms that can be divided into yeasts and molds based on their appearance
Fungi
True or false : fungi are typically larger than bacteria
True
Fungi ____ are single celled , microscopic and forms a smooth creamy colonies in culture
Yeasts
Fungi ____ Consists of long crashing filaments of cells called " hyphae "
Molds
True or false : A tangled mass of "hyphea " that is visible to the naked eye is called mycelium
True
True or false : mycelium can come in the color black only
False various colors
________ One celled organisms that contain nucleus and other cells structures making them more like plants and animal cells
Protozoa
True or false : Protozoa is similar to bacteria but they are bigger
True
ــــــorganisms that have rod or spherical shapes , they stain as gram negative and do not move independently
Rickettsia
True or false : rickettsia move independently
False
True or false : rickettsial is smaller then bacteria
True
There are two types of infection
Systemic localized
___Infection is an infection that is affecting the entire body , while an_ infection is an infection that is limited to a specific part of the body
Systemic localized
A wound infection is an example of an ____ infection , while a cold is an example of a ___ infection
Localized systematic
True or false : communicable disease = infectious disease
True
True or false : communicable disease can only be caused by a specific infectious biological agent
False , it also can be caused by the toxic products of that agent
True or false :communicable diseases can only spread from one human to another
False it can be spread through one human to another or through an animal to human or to an animal to another animal or it can be spread through the environment
______ very small living plants or animals
Micro organisms
True or false : all microorganisms are harmful
False
_____ are microorganisms that are found in the human body
Normal flora
Normal flora can be found in many areas of the body like :
Skin vagina intestine
True or false : rickettsial and Protozoa are chemical compounds
False , they are microorganisms
Ways that pathogens are spread
From one person to another (direct contact) through water or food Through insects through Aerosolization
Aresolaztion = الهباء الجوي
_____ is the process leading to patients acquiring infection within a healthcare setting
Cycle of infection / chain of infection
True or false : the process of chain of infection can occur when one or more of the links is intact
False , it only occurs when all the links are intact
How many links are in a cycle of infection ?
6 links
What are the six links in the chain of infection?
pathogen
reservoir
portal of exit
means of transmission
portal of entry
new host
How to stop the spread of an infection?
By breaking the chain
True or false : the pathogen is the disease causing organisms
True
True or false : the pathogen is the second link of the chain
False, it is the first
How to break the first link ( the infectious agent ) ?
1 - pasteurize milk 2- chlorinate drinking water 3- use disinfectant
True or false : colds , measles and polio are examples diseases caused by bacteria
False, they are examples diseases caused by viruses
Tetanus is caused by
bacteria
Food poisoning is caused by
bacteria
Athletes foot is caused by
Fungi
TB is caused by
bacteria
Moniliasis is caused by:
Fungi
____ is the starting point for the occurrence of the communicable Disease
Reservoir / source
True or false : the reservoir can be a human , an animal , arthropod , plant or soil
True
True or false : the reservoir can be an inanimate matter
True
True or false : the infectious agent uses the reservoir to live , duplicate and survive
True
True or false : the pathogen use the reservoirs as a secondary source for survivor
False , it depends on it primarily
Malaria is an example of a disease caused by
protozoa
Tape worm is an example of?
Parasite
Trichinosis is caused by
parasite
عشان تربطون : هذا مرض سببه دوده بس ما ذكروا لنا وش اسمها اوكي ؟
واحنا قلنا ان دوده tape worm تعبتر parasite
كلهم ديدان وكلهم يصنفون parasite
Anaerobic is an example of a __
Protozoa
Q fever is caused by
Rickettsia
The difference between animate and Inanimate reservoirs
1 - people , insects , birds and animals 2- soil , water , food , feces , fluids ... يعني حي وغير حي
True or false : the reservoir and the source are the same thing
False , not always
True or false : you can tell who is the carrier of the disease
False, not always , the carrier can appear perfectly healthy
The link that is needed for the pathogen to leave the reservoir is the __
Portal of exit
If the reservoir is human the portal of exit can be many things like :
1- saliva 2- mucous 3 - feces 4 - blood 5 - nose or through discharge
The ________ trac is one of the portals of exit in the human body , that the agent can exit through coughing , sneezing and sputum
Respiratory
True or false : the genitourinary tract can be a portal of exit to a pathogen
True
True or false : influenza and tuberculosis are diseases that exits through the skin
False , it exits through the respiratory tract
Pathogens that cause sexually transmitted disease exit the body through the ___ tract
Genitourinary
Examples of STI (sexually transmitted infection)
Gonorrhea syphilis AIDS
The ___ tract is a portal of exit in the human body where the pathogens exits through the saliva or feces
Gastro intestinal tract
Examples of disease that is transmitted through the saliva
Rabies
true or false : an example of a Disease that are transmitted through the feces is typhoid
True
True or false : an example of a disease that is transmitted through feces is infective hepatitis
True
True or false : the pathogen that causes hepatitis B leaves the body through the gastro intestinal tract
False, through the skin
فرقوا : Hepatitis b = through the skin infective hepatitis = through feces
True or false : the fungi that causes fungal infection leaves the body through the skin
True
True or false : a mother can pass on a disease to the infant through the umbilical cord
True
True or false : Examples of disease that a mother can pass on to an infant are AIDS and syphilis
True
conjunctivitis is a disease that can be transmitted through the ___ discharge
Eye's
Otitis media is a disease that is transmitted through the___ discharge
Ear's
HIV is disease that is transmitted through the ___ discharge
Genital
Gonorrhea is a disease that is transmitted through the ___ discharge
Genital
Syphilis is a disease that is transmitted through the __ discharge
Genital
Bovine Tuberculosis is a disease that can be transmitted through ___
Breast milk