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DIT Quizzes Day 3
Gram neg Bacteria, Epidemiology/Ethics, Development, B-lactam antibiotics
80
Other
Professional
05/09/2013

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Cards

Term
What pathology fits the following associations?
Opacities seen on X-ray on both sides of the carina
Definition
bilateral hilar lymphadenopathy (sarcoidosis)
Term
What pathology fits the following associations?
Dermatitis, diarrhea, dementia, possibly death
Definition
Pellagra (niacin/B3 deficiency)
Term
What pathology fits the following associations?
Greenish rings around the periphery of the iris
Definition
Kayser-Fleischer rings
Copper deposits seen in Wilson's diseae
Term
What pathology fits the following associations?
Hyperplagia, hypersexuality, hyperorality, hyperdocality
Definition
Kluver-Bucy syndrome (bilateral amygdala lesion)
Term
What pathology fits the following associations?
Nystagmus, intention tremor, scanning speech
Definition
Multiple sclerosis
Term
What pathology fits the following associations?
Lower extremity purpura, arthralgias, renal disease
Definition
Henoch-Schonlein purpura
Term
What immunopathology matches the following statement:
Antimitochondrial antibodies
Definition
primary biliary cirrhosis
Term
What immunopathology matches the following statement:
Antiplatelet antibodies
Definition
idiopathic thrombocytopenic purpura
Term
What immunopathology matches the following statement:
Newborn with chronic diarrhea, failure to thrive, chronic Candidiasis
Definition
SCID
Term
What immunopathology matches the following statement:
Child with eczema, course facial features, cold abcesses
Definition
Job's syndrome (Hyper-IgE; Th cells fail to produce IFN-g)
Term
What immunopathology matches the following statement:
Child with partial albinism, peripheral neuropathy, recurrent infections
Definition
Chediak-Higashi syndrome
Term
Which alpha adrenergic antagonists are used for the tx of pheochromocytoma
Definition
phenoxybenzamine, phentolamine
Term
What is the clinical use for Ipratropium
Definition
asthma
Term
What is the clinical use for atropine, homatropine, tropicamide
Definition
dilates pupil, cycloplegia
Term
What is the clinical use for Benztropine
Definition
Parkinson's disease
Term
What is the clinical use for Scopalamine
Definition
Motion sickness
Term
In which order of elimination would you see a linear decrease in the plasma concentration of a substance when plotted against time?
Definition
zero-order elimination
Term
WHich two bacteria are well known for being obligate intracellular bacteria?
Why can't these bacteria replicate extracellularly
Definition
Chlamydia, Rickettsia
-cant make their own ATP
Term
Which bacteria are spore-forming?
Definition
Clostridium spp, Bacillus spp
Term
A physician is looking for risk factors for pancreatitis. He interviews 100 hospitalized patients with pancreatitis and 100 hospitalized patients without pancreatitis. What type of study is this?
Definition
Case-control
Term
A group of people that smoke and that do not smoke is followed over 20 years. Every 2 years,it is determined who develops cancer and who does not. What type of study is this?
Definition
Cohort
Term
A certain screening test has a 1% false negative rate. What is the sensitivity?
Definition
Sensitivity = 1 - FN
99%
Term
The prevalence of varicella in population A is 2 times the prevalence in population B. The incidence is the same for A and B. What is assumed about the duration of the disease in population A versus B
Definition
Duration in population A is 2 times that of population B
Term
Define the mode in terms of statistical distribution
Definition
The value of greatest frequency (the number occurring most often)
Term
Define the mean in terms of statistical distribution
Definition
The average of all the numbers
Term
Define the median in terms of statistical distribution
Definition
Divides the frequency of distribution in half
Term
In what type of distribution does Mean=Median=Mode
Definition
Normal, Gaussian, Bell-shaped curve
Term
Mean >Median >Mode
Definition
Positive (asymmetry with tail to the right)
Term
What factors are considered when taking a newborns APGAR score?
Definition
Appearance, pulse, grimace, activity, respiration
Term
What is the definition of low birth weight?
Definition
<2500 grams
Term
What complications are associated with low birth weight?
Definition
respiratory distress syndrome
infections
necrotizing enterocolitis
intraventricular hemorrhage
persistent fetal circulation
Term
Based on the following milestones, how old is this child?

Jumps up, 6 cube tower, eats with spoon, 2-3 word sentences
Definition
2 years old
Term
Based on the following milestones, how old is this child?

Regards face, responds to sound, not able to roll over yet
Definition
less than 3 months
Term
Based on the following milestones, how old is this child?

Stands with support, 1-3 words, stranger anxiety, drinks from a cup
Definition
12 months
Term
Based on the following milestones, how old is this child?

Rides tricycle, understandable sentences, plays board games
Definition
3 years old
Term
What is the ddx for sexual dysfunction?
Definition
Drug side effect (esp B-blockers)
Disease (depression, diabetes)
Performance anxiety
Term
At what age can children stop using a booster seat?
Definition
4 ft 9 inches
Term
What drugs are used to shorten stage 4 sleep?
Definition
Imipramine, Benzos
Term
What controls extraoccular movements in REM sleep?
Definition
PPRF
Term
What is the "key" to initiating sleep?
Definition
Serotonergic predominance from the raphe nucleus
Term
What is the pathway by which retinal information induces the release of melatonin?
Definition
presence of darkness causes release of NE from the suprachiasmatic nucleus-->stimulates the pineal gland to release melatonin
Term
Name the 3 penicillinase (b-lactamase) inhibitors that enhance the spectrum of penicillin drugs
Definition
Clavulanic Acid
Sulbactam
Tazobactam
Term
What is the MOA of penicillin drugs?
Definition
inhibit cell wall synthesis
Term
What are the clinical uses for ampicillin and amoxicillin? Which one has greater oral bioavailability?
Definition
HELPSS
Haemophilus influeza, E.coli, Listeria, Proteus, Salmonella, Shigella

Amoxicillin
Term
What beta-lactamase inhibitor is combined with amoxicillin to create Augmentin?
Definition
Clavulanic acid
Term
What beta-lactamase inhibitor is combined with ticarcillin to create Timentin?
Definition
Term
What beta-lactamase inhibitor is combined with pipercillin to create Zosyn?
Definition
Term
WHich penicillin would you give to treat syphilis?
Definition
Pen G
Term
Which penicillin would you give to treat UTI?
Definition
Amoxicillin
Term
Which penicillin would you give to treat Pseudomonas
Definition
Ticarcillin, carbenicillin, pipercillin
Term
Which penicillin would you give to treat neonatal infection
Definition
Pen G
Term
What is a disulifram-like reaction?
Definition
Disulfiram inhibits acetaldehyde dehydrogenase, therefore alcohol can't be fully metabolized
-nausea, vomiting, flushing of skin, tachycardia, shortness of breath when combined with alcohol
Term
What drugs cause a disulfiram-like reaction
Definition
Certain cephalosporins, metronidazole, 1st gen sulfonylurias, procarbazine, disulfiram
Term
What are the clinical uses for the 1st gen cephalosporins?
Definition
gram positive cocci, Proteus, E.coli, Klebsiella pneumoniae
Term
What are the clinical uses for 2nd gen cephalosporins?
Definition
gram positive cocci, Haemophilus influenzae, Enterobacter aerogenes, Neisseria, Proteus, E.coli, Klebsiella pneumoniae
Term
What are the clinical uses for 3rd gen cephalosporins?
Definition
serious gram neg infections that are resistant to other treatments: Pseudomonas, Gonorrhea; also Strep. pneumo (but not other gram pos)
Term
What are the clinical uses for 4th gen cephalosporins?
Definition
increased activity against pseudomonas and gram positive organisms
Term
What is the MOA and clinical use for aztreonam?
Definition
Beta-lactam antibiotic (cell wall inhibitor) that is resistant to penicillinase; Only used for gram negative rods, especially in patients with penicillin allergies who cannot handle aminoglycosides (renal insufficiency); treats E.coli, Klebsiella, Psudomonas, Serratia
Term
How is aztreonam similar to aminoglycosides? How is it different?
Definition
Term
What drug is always administered with imipenem?
Definition
Cilastatin (inhibitor of renal dehydropeptidase I), to decrease inactivation of drug in renal tubules
Term
Against what organisms are imipenem and meropenem effective?
Definition
gram positive cocci, gram negative rods, anaerobes.

Wide spectum but significant side effects
Term
What is the clinical use and side effects of vancomycin?
Definition
Use: serious gram positive -MRSA, C.diff
SE: Nephrotoxicity, Ototoxicity, thrombophlebitis, "red man syndrome"
Term
What is the triple drug therapy for H.pylori?
Definition
PPI
Clarithromycin
amoxicillin or metronidizol
Term
What gram - bacteria matches the description?
Osteomyelitis in a sickle cell patient
Definition
Salmonella
Term
What gram - bacteria matches the description?
Osteomyelitis in a diabetic
Definition
Pseudomonas
Term
What gram - bacteria matches the description?
Child with pharyngitis drooling, Xray reveals thumb sign
Definition
Epiglottitis-->H. influenzae B
Term
What gram - bacteria matches the description?
Sepsis, DIC, adrenal hemorrhage
Definition
Waterhouse-Friderichsen syndrome-->
N. meningitidis
Term
What gram - bacteria matches the description?
Alcoholic with aspiration pneumonia
Definition
Klebsiella pneumoniae
Term
What gram - bacteria matches the description?
Child with a new puppy develops severe abdominal pain
Definition
Yersinia enterocolitica
Term
What two enzymes do obligate anaerobes lack?
Definition
Catalase, superoxide dismutase
Term
What gram - bacteria matches the description?
Burn wound infection
Definition
Pseudomonas
Term
What gram - bacteria matches the description?
Motile organism that causes UTI
Definition
Proteus
Term
What gram - bacteria matches the description?
Most common cayuse of travelers diarrhea
Definition
ETEC
Term
What gram - bacteria matches the description?
Life-threatening meningitis + purpura
Definition
N. meningitidis
Term
What gram - bacteria matches the description?

Common cause of both UTI and pneumonia
Definition
Klebsiella pneumonia
Term
What gram - bacteria matches the description?
Corneal infections in contact lens wearers
Definition
Pseudomonas
Term
What gram - bacteria matches the description?
Septic arthritis in young, sexually active patients
Definition
N.gonorrhoeae
Term
A 40 year old female presents with acute onset of unilateral knee pain and bilateral Bell's palsy. What organism is likely responsible, and how is it transmitted?
Definition
Lyme disease; Borrellia burgdorferi transmitted via bite of Ixodes tick
Term
What organisms most commonly cause UTI
Definition
E.coli
Proteus
Klebsiella
Staph saprophyticus
Term
What drugs can cause Steven's Johnson's syndrome
Definition
Sulfa drugs, penicillin drugs, seizure drugs
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