6 Flashcards
A pH of 7.07, pCO2 of 90 mmHg, and an HCO3 of 23 mEq/mL suggests what condition?
respiratory acidosis
What is the lower reference limit for progressive motility of spermatozoa when performing semen analysis?
32%
What is the lower reference limit for total motility of spermatozoa when performing semen analysis?
40%
The Acetest can be used to test for ketones in which body fluids?
urine, serum, and whole blood
Which nitrogen base binds with guanine nucleotides when forming double-stranded DNA?
adenine
Which antigen marker is most closely associated with transmission of HBV?
HBeAg
What is the primary functional unit of the kidney?
nephron
What is the approximate volume of CSF in an adult?
90-150 mL
What factor assay would be abnormal in a patient with fibrin stabilizing factor deficiency?
Factor XIII
What is the source of the HIV virus envelope?
host cell membrane
What is the most specific biochemical marker of a myocardial infarction?
troponin
What would you expect the pH and PCO2 levels to be in fully compensated metabolic acidosis?
pH would be normal, decreased PCO2
Which dimorphic fungus may produce black, yeast-like colonies after prolonged incubation at 37*C?
Sporothrix schenckii
What is the most likely condition when an oligoclonal band is seen in CSF electrophoresis without the corresponding serum peak?
multiple sclerosis
What is the name for a small projection off the lobe of a neutrophil made of condensed X chromosomes, and found in non-dividing nuclei of female mammals?
Barr body
Define oliogonucleotide.
short synthetic strand of nucleic acid
Define probe, as it relates to molecular biology.
fragment of nucleic acid that is complementary to another nucleic acid sequence (it is labeled and used to identify this sequence)
Define target, as it relates to molecular biology.
specific region of DNA or RNA unique to the organism, mutation, or disease that is detected by the molecular testing method being used
What type of sporulation in dematiaceous fungi is characterized by single conidia in succession, both laterally and around the tip of a straight phialide?
rhinocladiella
What type of sporulation in dematiaceous fungi is characterized by short chains of elliptical conidia in a circular arrangement from the tips of branching phialides?
acrotheca
What type of sporulation in dematiaceous fungi is characterized by chains of conidia formed with each new daughter cell?
acropetal
A serum TSH level five times the upper limit of normal, accompanied by decreased T3 and T4 uptake indicates the thyroid is the primary cause of what?
hypothyroidism (primary)
What are the general M:E ratio findings in CML?
ratio is high, usually >5:1, but can reach up to >/= 20:1
What is the immune status of a patient if anti-HBs is the only positive antibody found?
patient has been immunized
An abrupt rise in LH 24-36 hours prior to ovulation is typical of what process?
menstrual cycle
