exam 2 review

Question 1

fasting glucose RR

Answer 1

70-99 mg/dL

Question 2

which of the following Hgb A1c results would best correlate with an estimated avg of 126 mg/dL

Answer 2

6%

Question 3

what is the most abundant cation in ECF that determine osmolality of plasma

Answer 3

sodium

Question 4

expected arterial pO2

Answer 4

90 mmHg

Question 5

which of the following is a non reducing sugar

Answer 5

sucrose

Question 6

which of the following criteria would not be diagnostic of diabetes mellitus
- random glucose of 230 mg/dL
- a hgb A1c result of 11.1%
- a fasting glucose of 110 mg/dL
- 2 hr post glucose load of 444 mg/dL

Answer 6

a fasting glucose of 110 mg/dL

Question 7

which tube for CSF collection is used for chemistry testing
- tube 4
- tube 3
- tube 2
- tube 1

Answer 7

tube 1

Question 7

the conversion of glucose and other hexoses into lactate and pyruvate for production of energy is called:
- glycogenesis
- glycogenolysis
- gluconeogensis
- glycolysis

Answer 7

• glycolysis
  glycogenesis = formation of glycogen
  glycogenolysis = breakdown of glycogen to release glucose
  gluconeogenesis = formation of glucose from non carb sources

Question 8

total protein in CSF represents what % of that in plasma
- 0.0-.5%
- 0.5-1%
- 5%
- 8%

Answer 8

0.5-1

Question 8

a pt has a glucose of 140 mg/dL, what would their expected CSF glucose result
- 125
- 105
- 92
- 70

Answer 8

92
CSF glucose is 60-70% of plasma glucose

Question 9

hyaluronidase is typically added to what type of fluid prior to analysis
- synovial
- pleural
- pericardial
- CSF
- ascities

Answer 9

synovial

Question 10

CSF electrophoresis is used for diagnosis of
- cystic fibrosis
- multiple myeloma
- multiple sclerosis
- waldenstrom’s macroglobulinemia

Answer 10

• multiple sclerosis

Question 11

lipids are composed mainly these types of bonds
- CH
- CO
- NH
- OH

Answer 11

CH

Question 12

which does not describe phospholipids
- hydrophilic head group
- unsaturated steroid alcohol
- amphipathic
- synthesized in all organs

Answer 12

• unsaturated steroid alcohol

Question 13

what is the formula to calculate LDL

Answer 13

total chol - HDL - (trig/5)

Question 14

which lipoprotein has the job of transporting exogenous triglycerides
- VLDL
- HDL
- chylomicrons
- LDL

Answer 14

chylomicrons

Question 15

the most abundant cation in ECF and determines the osmolality of plasma
- potassium
- magnesium
- chloride
- sodium

Answer 15

sodium

Question 16

functions of this electrolyte include: ICF volume, contraction of the heart and [H]
- sodium
- potassium
- chloride
- magnesium

Answer 16

potassium

Question 17

this is a byproduct on anaerobic metabolism
- potassium
- phosphate
- bicarb
- uric acid
- lactate

Answer 17

lactate

Question 18

which is not a hormone that helps to regulate calcium
- PTH
- vitamin D
- calcitonin
- AVP

Answer 18

AVP

Question 19

an increase in H, a decrease in pH, and an increase in pCO2 indicate which disorder
- respiratory alkalosis
- respiratory acidosis
- metabolic acidosis
- metabolic alkalosis

Answer 19

• respiratory acidosis

Question 20

a buffer consists of a ____ and a salt of its conjugate base

Answer 20

weak acid

Question 21

what is the index value of CSF to serum albumin that indicates an intact blood brain barrier

Answer 21

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