Test #3 Flashcards

1
Q

Gram stain is useful in classifying organisms which helps us?

A

identify the morphology of an organism

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2
Q

Gram negative bacteria?

A

Pseudomonas

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3
Q

What is KOH useful in identifying?

A

fungal

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4
Q

How do you obtain specimens for a blood culture and sensitivity?

A

2 different sites, one aerobic and one anaerobic at each

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5
Q

Where do you obtain a bone aspiration on a child?

A

proximal tibia

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6
Q

What could alter the results of a PAP?

A

lubricating jelly on the speculum

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7
Q

when do you want to obtain a sputum culture?

A

early in the morning

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8
Q

what does an acid fast culture detect?

A

tuberculosis

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9
Q

what is the primary intracellular cation?

A

potassium

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10
Q

what closely follows sodium?

A

chloride

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11
Q

what causes a decrease in lactate dehydrogenase?

A

ascorbic acid (vitamin C)

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12
Q

what is associated with low levels of total cholesterol?

A

liver disease

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13
Q

what form of creatine kinase is needed to test for cardiac?

A

CK-MB

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14
Q

when would creatine kinase be altered?

A

Choices: tylenol, alcohol, benadryl,

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15
Q

what percentile of troponin is needed for diagnostic?

A

?

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16
Q

which lipoprotein carries cholesterol from tissues to liver?

A

HDL

17
Q

what would be affected in a person with hyperthyroidism?

A

HDL decreased

18
Q

in a person that chronically takes steroids which would be altered?

A

triglycerides would be increased

19
Q

what level is diagnostic for a high risk AFP?

A

550 (>500)

20
Q

which autoimmune marker is used to dx crest?

A

anticentromere

21
Q

what test is the most specific in confirming disease activity in SLE with patient with elevated ANA?

A

anti-ds DNA

22
Q

what test is the most specific in confirming disease activity in SLE with patient with elevated ANA?

A

anti-ds DNA

23
Q

which test is used to detect chronic active hepatitis?

A

Anti-smooth muscle antibody

24
Q

which is an acute phase reactor protein that is released with tissue necrosis

A

CRP

25
Q

which is an acute phase reactor protein that is released with tissue necrosis

A

CRP

26
Q

What is true about anticentromere antibody?

A

does not increase with sensitivity of the syndrome

27
Q

What test is a screening tool used for the general population?

A

PSA