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A pregnant woman was tested for fetal fibronectin (fFN) using vaginal secretions as the specimen. The fFN result indicated a concentration of 55 ng/mL (increased). What information does this analyte’s value provide?

In a preterm infant, the lack of pulmonary surfactant in immature lungs will produce which of the following symptoms?

How do healthy lungs compensate for the decrease in pH in a state of metabolic acidosis? 

Match the following enzymes with the unique characteristic/function.

A woman visits her physician with a complaint of polyuria and polydipsia. She has a family history of type 2 diabetes mellitus and is concerned that she is developing the disease. The physician notes that her previous hemoglobin A1c (Hb A1c) value was 6% (considered within healthy reference interval in the physician’s practice) with a fasting plasma glucose of 95 mg/dL. At this visit, her Hb A1c value is 8.5%. Why would the physician be correct to order an oral glucose tolerance test (OGTT) for this individual?

List 3 categories of drugs of abuse that are routinely measured.

A 16 year old female with type I diabetes mellitus attended clinic. She had a history of poor glycemic control. On examination she had hepatomegaly. The following results were obtained for plasma glucose, liver function tests, and lipids: Test Patient Reference Range Glucose 594 mg/dL   Total bilirubin 0.70 mg/dL 0-1.0 mg/dL Conjugated bilirubin 0.40 mg/dL 0-0.5 mg/dL Alkaline phosphatase Normal   GGT Elevated   AST 188 IU/L 5-30 U/L ALT 380 IU/L 0-37 U/L Total Cholesterol 306 mg/dL   Triglycerides 1177 mg/dL   HDL 4 mg/dL   1. What results are abnormal? (1 point) 2. Calculate indirect/unconjugated bilirubin? (1 point) 3. Report the LDL (in whole numbers) for this patient. (1 point) 4. What would you expect the result of the Hemoglobin A1c to be? (Increased, decreased, or normal) (1 point)

Rickets is sometimes associated with deficiency of which one of the following vitamins?

Which of these body buffer systems is NOT used to balance acid base in the body?

Which one of the following therapeutic drugs is used in the management of osteosarcoma and inhibits DNA synthesis by decreasing methylation of pyrimidine nucleotides and their synthesis?