8 Flashcards
Estriol levels in conjunction with hCG and AFP can be obtained during pregnancy to assess for what condition?
maternal diabetes mellitus
What two serological tests are useful in documenting antecedent Streptococcal infections?
ASO and antideoxyribonuclease-B titer (DNAse)
T or F: Fluctuations in temperature can cause a sickling event.
true
What three analytes are elevated in urine in patients with pheochromocytoma?
free catecholamines, metanephrines, an vanillylmandelic acid (VMA)
What two biomarkers are not specific to cardiac muscle and may be elevated following any muscle injury?
CK-MB and myoglobin
What sporulation type is characterized by elliptical conidia in branching chains, separated by delicate black scars or dysjunctors?
cladosporium
What sporulation type is characterized by vase-like phialides with a distinct mouth from which spherical or slightly elliptical conidia produced in clusters?
phialophora
If a drug is given at time intervals that are the same as the drug’s half-life, how many doses must be given before the drug levels reach a steady state?
approximately 5 doses
What constitutes the alpha-hemoglobin chain coding?
4 gene loci, two each on chromosome 16
Define endocytosis.
process by which cells absorb molecules by engulfing them
What is the percentage of dietary iron normally absorbed daily?
5-15%
Medullary carcinoma of the thyroid would typically have what kind of serum calcitonin levels?
elevated
What organism would be suspected in a throat culture that grows as a Gram = diplococci on MTM agar, ferments maltose/lactose/glucose, and is ONPG +?
Neisseria lactima
What kind of patient is most at risk for hyperosmolar nonketotic coma?
elderly Type II diabetic
Which adipokine is synthesized and released by adipocytes and many other body cells; is an inflammatory cytokine that stimulates the liver to produce CRP; and is elevated in obesity and insulin resistance?
IL-6
