mcb 103 module 1 review
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Questions and Answers

What is medical microbiology?

study of microorganisms that affects health and the interaction between microorganisms and animals of medical importance

What is medical microbiologists?

people that study pathogenesis of microorganism

Two types of human response

Adaptive and passive

Adaptive response means

<p>injury is too serious that passive response cannot resolve</p> Signup and view all the answers

Two outcome types of mcgs interactions to humans

<p>Beneficial and harmful</p> Signup and view all the answers

Two groups of microorganisms associated with the human body

<p>Transient and resident/normal microflora</p> Signup and view all the answers

What is resident or normal microflora?

<p>microbes that inhabit skin and mucous membrane</p> Signup and view all the answers

This is any factors/habit based on epidemological research which is known to a particular disease

<p>predisposing factors</p> Signup and view all the answers

Chemical that microbes produce that has antibacterial effect

<p>Bacteriocins</p> Signup and view all the answers

This is the abnormal state of a body which is not properly adjusted or cannot normally function or the injury of the host that impairs host function

<p>disease</p> Signup and view all the answers

NMF of mouth and respiratory that is gram positive, in chains, cocci, and green in blood agar causing endocarditis

<p>Viridans streptococci</p> Signup and view all the answers

Inflammation of the lining of the heart

<p>Endocarditis</p> Signup and view all the answers

NMF of colon (GIT) that is gram negative rods causing multi organ disease usually due to oral contraceptive use or diabetes mellitus (hyperglycemia)

<p>Bacteroides</p> Signup and view all the answers

NMF is usually found in internal organs

<p>False (B)</p> Signup and view all the answers

Belief that infants already have mcgs before birth

<p>Infant meconium</p> Signup and view all the answers

Meaning of TORCHES

<p>Congenital disease of toxoplasmosis, other viruses, rubella, cytomegaloviruses, and herpes simplex</p> Signup and view all the answers

When is the establishment of NMF begin?

<p>At the time of birth</p> Signup and view all the answers

First group of microorganism associated to newborn

<p>Lactobacilli</p> Signup and view all the answers

Three microenvironments present in the skin

<p>Moist, dry, sebaceous</p> Signup and view all the answers

group of bacteria with the highest population in skin

<p>Actinobacteria, gram positive</p> Signup and view all the answers

group of bacteria dominant in sebaceous skin

<p>propionibacteria</p> Signup and view all the answers

group of bacteria dominant in moist skin

<p>staphylococci, and corynebacteria</p> Signup and view all the answers

group of bacteria dominant in dry skin

<p>corynebacteria and betaproteobacter</p> Signup and view all the answers

two popular fungi in skin

<p>Malassezia spp. and Pityrosporum ovale</p> Signup and view all the answers

Factor that influence eye nmf

<p>tearflow</p> Signup and view all the answers

Three factors of the mouth making it ideal for mcgs

<p>warm, constant food presence, and moist</p> Signup and view all the answers

Most dominant bacteria in the mouth

<p>Prevotella spp.</p> Signup and view all the answers

Product that bacteria in the mouth produce causing dental caries

<p>Glucans</p> Signup and view all the answers

parts of upper respiratory tract

<p>sinuses, nasopharynx, pharynx, oral cavity, and larynx</p> Signup and view all the answers

parts of lower repiratory tract

<p>trachea, bronchi, and lungs</p> Signup and view all the answers

Mcgs in nose

<p>S. aureus, epidermis, diptheroids</p> Signup and view all the answers

Mcgs in throat

<p>same as nose with viridans, pneumoniae, neisseria, haemophilus</p> Signup and view all the answers

Mcgs in pharynx

<p>nonhemolytic and a-hemolytic strep and Neisseria</p> Signup and view all the answers

Organ with most microorganisms

<p>gastrointestinal tract</p> Signup and view all the answers

Microbial barrier of stomach

<p>natural acidity</p> Signup and view all the answers

famous stomach bacteria rumored to cause ulcer but not true

<p>helicobacter pylori</p> Signup and view all the answers

Serves as the fermentation vessel of the GIT with the most number of mcgs

<p>large intestine</p> Signup and view all the answers

two factors affecting nmf of intestine

<p>antibiotic treatment and exposure to enteric pathogens</p> Signup and view all the answers

Healthy female and male urogenital tract, kidney, and bladder are sterile

<p>True (A)</p> Signup and view all the answers

What kind of mcgs infect GUT epithelial cells and distal urethra

<p>facultative anaerobic gram negative rods and cocci</p> Signup and view all the answers

Most common pathogen in urogenital tract

<p>E. coli and Proteus mirabilis</p> Signup and view all the answers

Two most common causes of urethritis

<p>Neisseria gonorrhoeae and Chlamydia trachomatis</p> Signup and view all the answers

NMF of vagina

<p>Lactobacillus acidophilus</p> Signup and view all the answers

NMF of vagina before puberty

<p>staph, strep, e. coli, and diphtheroids</p> Signup and view all the answers

NMF of vagina at puberty

<p>Lactobacillus acidophilus</p> Signup and view all the answers

NMF of vagina after menopause

<p>staph, strep, e. coli, and diphtheroids</p> Signup and view all the answers

As estrogen increases, acidity of vagina

<p>also increases</p> Signup and view all the answers

3 common causes of vaginitis

<p>Trichomonas vaginalis, Torulopsis glabrata, and Candida albicans</p> Signup and view all the answers

3 common causes of genital disease

<p>Neiserria gonorrhoeae, Mycoplasma hominis, and Chlamydia trachomatis</p> Signup and view all the answers

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