Question | Answer |
If BUN is 32 and creatinine is 1.1, what does it point to? | Heart failure |
What chemical is associated with the Jaffe Reaction? | Alkaline picric acid |
What can result in an increase in plasma urea concentration? | A decrease in renal blood flow |
If BUN is 120, Creatinine is at 4.0, uric acid is 9.0, and decrease in Creatinine clearance and urine pH, what is the cause? | Gout and post renal azotemia and uric acid stones. |
Why would you measure creatinine clearance? | To examine urine creatinine level |
What does the protein pad measure on a urine dipstick? | Mainly albumin |
Significance of Selenium? | it is a constituent of glutathione peroxidase and is associated with vitamin E. |
Best specimen for zinc measurements? | Plasma |
Molybdenum | cofactor in electron transfer reactions |
Chromium | role in glucose tolerance |
Manganese | growth and development |
What blood gas parameter can be affected if a bubble is in the blood? | pCO2 |
What blood gas parameter is changed if venous blood is taken? | pO2 |
What can cause an increase in calcitonin? | C-cell hyperplasia |
In which hepatitis will 50% progress to cirrhosis? | Hepatitis C |
Which hepatitis will lead to hepatocellular cancer? | Hepatitis B |
ADH is secreted from where? | Hypothalamus |
What does the insulin tolerance test measure? | GH |
What test can confirm a pituitary disorder? | Thyrotropin test |
Where in the adrenal gland is androstenedione secreted from? | The R zone |
What happens to the cortisol level in Cushing's syndrome from 8am to 8pm? | Cortisol levels will be unchanged. |
Kallman's syndrome results in what? | GnRH discharge of gonadotropins from anterior pituitary gland |
What does estriol monitor/detect? | fetal down syndrome |
What does estridial measure? | Assesses ovarian function |
Significance of DHEAs? | screen for hirsutism and virilization |
What happens to estrogen and inhibin during menopause? | They will decrease |
What is the best specimen for BNP in evaluating congestive heart failure? | EDTA |
Which part of the kidney is most important for regulation of plasma electrolytes and acid-base balance? | Distal convoluted tubule |
How is plasma acid-base concentration regulated? | Sodium is actively and passively exchanged with hydrogen ions |
What does lecithin cholesterol acyltransferase do? | Form cholesterol esters in circulation |
What cause ketosis in diabetes mellitus? | Excess acetyl-CoA being diverted to form ketone bodies. |
What are essential fatty acids? | Fatty acids that cannot be synthesized by the human body |
What factor influences creatinine clearance? | muscle mass |
What demographic displays increased creatinine excretion? | Adult males |
What condition can result in increased BUN? | glomerularnephritis |
How much protein is in CSF normally compared to serum? | CSF contains <1% that of serum |
What condition would arise with a BUN of 61 and Creatinine of 2.5? | indicates a urinary tract obstruction |
Which lipoprotein contains highest amount of protein? | HDL |
What lipoprotein would cause milky looking serum or plasma? | chylomicrons |
Which lipoprotein is the major carrier of cholesterol to peripheral tissues? | LDL |
What is oncotic pressure? | ability of plasma proteins to maintain plasma water volume |
What is the correct collection and handling for blood ammonia specimens? | draw heparin tube, keep on ice, and test immediately |
What occurs in uremia? | Increased serum level of urea and creatinine with failure of 3 main functions of the renal system |
What is the primary area of reabsorption in the kidneys? | proximal convoluted tubule |