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