Deck 9 Flashcards

(40 cards)

1
Q

Who is at risk for Bells palsy?

A

Sarcoidosis, tumors, diabetes, AIDS, Lyme dz

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2
Q

What flu prophalaxis med has dopamine activity?

A

Amantadine: releases endogenous dopamine. Prevent viral uncoating through blockage of M2 proton channels

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3
Q

What would make you think more encephalitis than meningitis?

A

Absence of normal brain function (altered mental status, sensory or motor deficits)

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4
Q

What does AFP in amniotic fluid mean (pregnant women)?

A

Neural tube defect (except spina occult which is still covered)- AFP leaks out of spinal cord

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5
Q

Symptoms of homocysteinuria?

A

Progressive intellectual disability, marfanoid habitus, lens dislocation (ectopia lentis), vascualr thrombosis. Normal at birth

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6
Q

What drugs have zero order kinetics?

A

Phenytoin, Ethanol, aspirin = PEA. Also anticoagulants heparin and warfarin

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7
Q

What are SE of antiseizure medication valproate?

A

Teratogenic effect - neural tube defects, weight gain, lethargy, resp depression, GI, tremors or clonus, liver toxicity

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8
Q

What do you use for valproate toxicity?

A

Carnitine (pro carnage)

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9
Q

Bilateral hearing loss from masses- what is it? What cell is affected?

A

NF-2: Schwann cell

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10
Q

Melanin comes from what germ cell layer?

A

neural crest

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11
Q

Mutation of FGFR causes what condition?

A

Achondroplasia

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12
Q

In Brocas aphasia, where do most people have damage/ clot?

A

Left middle cerebral artery

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13
Q

What is dantrolene used for?

A

Neuroleptic malignant syndrome

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14
Q

Why is pralodoxime used for sludge? What does it do?

A

Acetylcholinesterase regenerator

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15
Q

What antiseizure med causes agranulocytosis?

A

Carbamazepine: inactives sodium channels, and inhibits N-methyl-D-aspartate receptors. Bunch of side effects

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16
Q

Reactive arthritis is seen with what bugs?

A

SSYCC: salmonella, shigella, yersinia, campylobacter, chlamydia

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17
Q

Alport syndrome?

A

hereditary glomerulonephritis, sensorineural hearing loss, ocular abnormalities. Defect in type IV collagen

18
Q

What ab muscle gives rise to cremaster muscle?

A

Internal oblique

19
Q

What arch develops muscles to elevate pharynx and palate?

A

3- stylopharyngeus, 4- levator palatini

20
Q

What are the different mutations for muscle dystrophies BMD & DMD?

A

BMD: in frame deletion causes abnormal/ less severe. DMD: out of frame deletion causes truncated dystrophin protein

21
Q

Characteristics of pemphus vulgaris?

A

4-5th decades of life, flaccid (fragile) blisters on face, axilla, trunk, mucosa. Attacks desmosones (macula adherens)

22
Q

What drugs are associated with stevens-johnson syndrome?

A

Lamotrigine, phenytoin, ethosuxamide, carbamazepine

23
Q

Which arthritides are HLA-B27 positive?

A

PAIR: Psoriatic arthritis, ankylosing spondylitis, IBD, Reactive arthritis

24
Q

What is enzyme defect in albinism?

A

Tyrosinase- converts tyrosine to dopaquinone. Necessary for phenylalanine (makes melanin)

25
Which NSAID has least GI irritation?
Celecoxib: COX-2 selective inhibitor
26
What medication is used for osteoporosis and causes erosive esophagitis?
Bisphosphonates: alendronate
27
What muscles does radial nerve innervate?
the BEST: brachioradialis, extensors of wrist/ fingers, supinator, triceps
28
In what condition do you see improvement with repetitive stimulation?
Lambert Eaton- problem with pre-synaptic voltage gated Ca channels (are able to get more vesicles over time). MG gets worse with more stimulation
29
What condition can coexist with temporal arteritis?
Polymyalgia rheumatica
30
Characteristics of churgg strauss?
Asthma, eosinophilia, paranasal sinusitis, pulmonary infiltrates, mononeuritis or polyneuropathy
31
Describe SSPE from measles?
Personality changes, lethargy, difficulty in school, odd behavior…. Then dementia, myoclonic jerking, flaccidity, decorticate rigidity
32
Describe most common cause of bronchiolitis/ pneumonia in kids…
RSV: enveloped ssRNA, non segmented
33
Negative nitroblue tetrazolium means what?
Abnormal NADPH oxidase activity => CGD. X-linked
34
What does disulfiram bind to? Causing build up of what?
Binds to 2nd enzyme in step (NAD+) causing build up of acetaldehyde
35
Mnemonic to remember essential amino acids?
PVT TIM HALL
36
Pregnant woman with fever, myalgia, diarrhea, vomiting, jaundice in africa…?
Hep E (histo shows hepatic tissue necrosis)
37
Deficiency of lysosomal enzyme a-1,4-glucosidase?
Pompe dz: accumulation of glycogen in heart, liver, skeletal muscles. Hypotonia, and weakness and early death
38
What artery does the R. recurrent laryngeal nerve wrap around?
R. subclavian
39
What skin layer are melanocytes in?
Basalis
40
Bruton & Wiskott aldrich are both x recessive. How are they different?
Bruton: decreased all immunoglobulins. Wiskott = increased IgA