Viewing All Questions for Microbiology Lab Practical 1 Quiz
2)
Clusters of cocci (grapes)
6)
Peptidoglycan and teichoic acid in cell wall
11)
Cannot grow in presence of bile salts
1)
An organism that produces an enzyme to produce hydrogen peroxide
2)
Produces an enzyme that breaks down hydrogen peroxide
3)
Produces an enzyme that catalyzes the lysing of human blood cells
1)
Mnemonic: SPACE Staph aureus, Pseudomonas, Aspergillus, Candida, Enterobacteria.
2)
None of the anaerobic bacteria are catalase positive
3)
Catalase is an enzyme for breaking down hydrogen peroxide.
1)
Stands for methicillin resistant staph aureus
2)
Represents a genomic mutation in staphylococcus aureus that makes individuals resistant to antibiotics
3)
A pathogenic condition cause by staphylococcus bacteria
2)
Normal skin microflora
6)
Wound infections- very common post-op infection
1)
Alpha, beta, and delta toxins
2)
Superantigens and enterotoxins
1)
It is a protease enzyme, that acts to breakdown the proteins of human immune cells
2)
Binds to antibodies, igG1 and igG2 in humans, and acts as an immunilogical disguise, protecting from phagocytosis
3)
Binds to cell receptors on human lymphocytes
4)
Catalyzes the decomposition of hydrogen peroxide
3)
S. Aureus, and S. bacilli
4)
S. pneumoniae and S. viridans
5)
S. faecalis, and S. enterococcus
1)
Produces protein A and endotoxin
2)
Produces streptolysin O, a hemolysing protein that ruptures red blood corpuscles
4)
Produces alpha and beta toxins
5)
Produces a neurological inhibitor known as acetylcholinase
2)
Streptolysin O, a hemolysin- immunogenic
3)
Streptolysin S, nonimmunogenic
4)
Streptolysin R, a nonimmunogenic
1)
Produced exclusively by staphylococci
2)
Produced by genera streptococcus and staphylococcus, among others
3)
Mobilizes immune system as a defense mechanism of pathogenic bacteria
4)
Hydrolyzes connective tissue
5)
Prevents the activation of t-cells
3)
Gastrointestinal tract
3)
Causes glomuleronephritis (glomurules of kidney)
4)
Hydrolyzes connective tissue
1)
M protein (glomurolonephritis)
2)
Streptokinase (breaks down fibrin clots)
3)
Streptococcal DNase (liquifies pus, breaks down DNA)
4)
Hyaluronidase (hydrolyzes connective tissue)
5)
Protein A (inhibits antibody function)
6)
Superantigen (mobilizes immune system)
7)
Exotoxins (cause fever, rash)
8)
Enterotoxin (diarrhea)
1)
Scarlet fever (sandpaper rash, strawberry tongue, sore throat)
2)
Rheumatic fever and acute glomerolnephritis (sequela)
3)
Pyoderma impetigo (bad lesions on skin)
4)
Pharyngitis (pharyngeal inflammation)
5)
Neonatal meningitis and streptocemia
1)
Scarlet face and bad fever
3)
Strawberry tongue and sandpaper rash
4)
Scarlet colored lesions
2)
A neurological condition resulting from psychological stress
3)
Pathological condition arising from a disease, trauma, etc
4)
A general term describing the common symptoms of diarrhea, vomiting, and fever
1)
Rheumatic fever (carditis, and inflammation of joints, etc_
2)
Smoky urine (because glomeruli in kidney dying)
3)
Normal skin microflora
4)
Septicemia (bacteria in blood)
1)
Binds to peptidoglycan, so is washed off of gram negative bacteria, which are stained with a counterstain
2)
Beinds to peptidoglycan, which is only found in gram negative bacteria
3)
Beinds to lipopolysaccharides, found only in gram positives
4)
Binds to lipopolysaccharides, found only in gram negatives
1)
A 3 part toxin (containing a lethal factor)
5)
Pneumolysin O (damages epithelium)
1)
Chronic obstructive pulmonary disease
1)
Otitis media (inflammation middle ear)
2)
Pneumonia (chills fever rusty sputum)
3)
Mengitis (infl. of meninges, low glucose, high protein in blood, high neutrophils)
2)
Round, occur in clusters
3)
Round , occur in chains
4)
Rods, occur in clusters
1)
Causes scarlet fever, pyoderma impetigo, and pharingitis
2)
Found in vaginal tract, causes neonatal problems such as meningitis and septicemia
3)
Forms a biofilm on teeth enamel, can break off and damage heart valves (plaque). Causes subacute infective endocarditis.
4)
A gram negative cocci that is found in clusters
1)
Hydrolyzes hydrogen peroxide
3)
Hydrolyzes connective tissue
4)
Causes glomurolonephritis
2)
Hydrolyzes connective tissue
2)
Hydrolizes connective tissue
3)
Inserts a plasmid into the host genome (DNA)
4)
Breaks down fibrin, inhibiting the formation of clots
1)
Bacillum and Clostridium, mycobacterium,
2)
Streptococcus,neissaria, and chlamydia
1)
3 part toxin(letha;+edema factor+antigen)
2)
Ileocecal inflammation
3)
Cutaneous and pulmonary anthrax
1)
Gram negative, high lipopolysaccharide content
2)
Large interstitial membrane
3)
Bites, trauma, must be implanted into deep tissue
1)
Produces GSP and an exotoxin which stimulate neurotrasnmitter sites, which leads to over excitement of muscles. leads to muscular spasms and respiratory arrest
2)
Produces tetanospasmin, which block inhibitors and thus excitatory neurons are unapposed. leads t resp arrest, etc
3)
Produces tetanus protein A, which binds to specific neurotrasnmitter sites
3)
Risus sardonicus (spasm of facial muscles)
4)
Opisthotonus (hyperextension of neck and spinal)
1)
Warm, high oxygen, neutral pH
2)
Cold, high oxygen, basic
3)
Warm, anaerobic, nonacidic
1)
Produces a very deadly, but heat labile, neurotoxin
2)
Produces a hydrolyzing enterotoxin
3)
Often found in improperly canned food
1)
Bblocks release of acetylcholine, leading to flaccid paralysis
2)
Blocks inhibitory mediators glycin and GABA, leading to the unopposition of excitatory neurons
3)
Leads to the over production of neurotransmitters
1)
Gram positive rod, non motile, anaerobic
2)
Gram negative cocci, occurs in clusters, motile, aerobe
3)
Facultative anaerobe, gram positive rod, mucus capsule
1)
Producses alpha toxin _disrupts membranes and ruptures RBC's)
2)
Produces Protein M and DNase
3)
Produces an enterotoxin that causes diarrhea
4)
Realeases a toxic lipid A
1)
Emetic actor (16-24 hrs) diarrhetic factor (24-48 hrs)
2)
Emetic factor (1-6 HRS) AND DIARRHETIC (18 HR)
3)
Neurotoxin causing spasms
1)
Test to distinguish protease positive bacteria
2)
Test for clostridium perfringes' alpha toxin
3)
Test for clostridium tetani antigen in wound
1)
Muscular spasms- caused by impact of soil into deep tissue
2)
Pain, edema, exudates- contamination of wound with soil or feces
3)
Caused primarily by contaminated food- GI problems such as diarrhea
2)
Depressed blood circulation
4)
Heart failure due to plaque build up
1)
Gram positive, cocci, catalase positive
2)
Gram negative, streptococci, oxidase negative
3)
Gram negative, diplococci, oxidase positive
4)
Gram positive diplococci, oxidase, catalase, and alpha toxin positive
1)
N. typhi and N.salmonellae
2)
N. meningitides and N. gonnorhea
3)
N. gonnhorea and N. tetani
1)
Triple sugar iron agar
1)
Made of live red blood cells
2)
Contains lysed red blood cells
3)
Enriched with high nitrogen content
4)
A meat broth (non-synthetic) base agar
1)
Respiratory droplets and hematogenously
2)
Spread through blood (to meninges inthis case)
3)
Spread through respiratory droplets
2)
Polysaccharide capsule containing an endotoxin (lipid A)
3)
Hyaluronidase and endotoxic capsule
4)
Protease igA and igB, also a lipopolysaccharide catalase
2)
Neissaria meningitides
1)
No capsule, no maltose fermentation
1)
Pili attach to mucosal surfaces
3)
Lipopolysaccharide and endotoxin