Test #3 Flashcards
(27 cards)
Gram stain is useful in classifying organisms which helps us?
identify the morphology of an organism
Gram negative bacteria?
Pseudomonas
What is KOH useful in identifying?
fungal
How do you obtain specimens for a blood culture and sensitivity?
2 different sites, one aerobic and one anaerobic at each
Where do you obtain a bone aspiration on a child?
proximal tibia
What could alter the results of a PAP?
lubricating jelly on the speculum
when do you want to obtain a sputum culture?
early in the morning
what does an acid fast culture detect?
tuberculosis
what is the primary intracellular cation?
potassium
what closely follows sodium?
chloride
what causes a decrease in lactate dehydrogenase?
ascorbic acid (vitamin C)
what is associated with low levels of total cholesterol?
liver disease
what form of creatine kinase is needed to test for cardiac?
CK-MB
when would creatine kinase be altered?
Choices: tylenol, alcohol, benadryl,
what percentile of troponin is needed for diagnostic?
?
which lipoprotein carries cholesterol from tissues to liver?
HDL
what would be affected in a person with hyperthyroidism?
HDL decreased
in a person that chronically takes steroids which would be altered?
triglycerides would be increased
what level is diagnostic for a high risk AFP?
550 (>500)
which autoimmune marker is used to dx crest?
anticentromere
what test is the most specific in confirming disease activity in SLE with patient with elevated ANA?
anti-ds DNA
what test is the most specific in confirming disease activity in SLE with patient with elevated ANA?
anti-ds DNA
which test is used to detect chronic active hepatitis?
Anti-smooth muscle antibody
which is an acute phase reactor protein that is released with tissue necrosis
CRP