ClinChem2 test 2 Word Scramble
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Question | Answer |
What process gives the most accurate analysis of a lipemic sample? | Direct ISE |
In what form does most of the CO2 in the blood take? | Bicarbonate Ion / HCO3 |
Bicarbonate leaves RBCs and enters the plasma. It is exchanged with what other electrolyte when this occurs? | Chloride (chloride shift) |
The primary cation in ECF is? | sodium |
If visible hemolysis is seen in a sample, which electrolyte will be most effected? | potassium |
Hyponatremia CANNOT be caused by ? | hypomagnesemia |
The main ICF cation is ? | potassium |
Hypokalemia CANNOT be caused by ? | acidosis |
Hyperkalemia CANNOT be caused by ? | alkalosis |
What is the biggest difference between direct ISE and indirect ISE? | C/dilution |
Hemolysis will not increase which electrolyte? | sodium |
T or F: Is chloride the major ECF anion? | True |
Which will increase the most in the serum if blood has hemolyzed? | C/potassium and phosphate |
T or F: Blood is drawn into a vaccutainer. (And may have hemolized.) This will decrease potassium? | False |
The membrane substance for the potassium ion electrode is ? | Valinomycin |
What is the anion gap formula? | AG = (Na + K) – (Cl + HCO3) |
What's the method of choice for measuring serum ionized calcium? | B/ionselective electrode |
Anticoag of choice for ABG testing is ? | D/lithium heparin |
What's the ratio of carbonic acid to bicarb? | 1-20 |
Patient's ABG and stats are consistent with what diagnosis? pH-7.27 CO2-75 HCO3-37 | Respiratory acidosis with compensation |
Patient's ABG and stats are consistent with what diagnosis? ph-7.48 CO2-52 HCO3-38 | Compensated metabolic alkalosis |
In patients circulatory system, bicarb has left the RBCs and entered the plasma. It will be exchanged with ? | C/chloride |
In plasma, too much bicarb with no change in concentration of CO2 from normal will result in ? | metabolic alkalosis |
Which lab findings are consistent with diabetic ketoacidosis? | Elevated blood sugar, low pH, ketone bodies present |
Which is an acceptable sample for acid bad disturbance analysis? | arterial blood kept on ice |
Potentiometric measurement of hydrogen ion concentration uses what reference electrode? | A/silver silver chloride |
Which electrode is amperimetric? | B/PO2 |
Lab results for ABG are compatible with which diagnosis? ph-7.23 CO2-79 HCO3-40 | Respiratory acidosis |
The most common cause of respiratory alkalosis is ? | D/hyperventilation |
Blood's normal pH range at 37C is ? | 7.35-7.45 |
What is the H.H. equation? | D - pH - pk + log (base/acid) |
ABG specimen from 8:30 AM doesn't arrive in the lab until 11:00AM. What should you do? | D/ask for new specimen |
ER patient has metabolic alkalosis. What stats would be consistent with that diagnosis? | D/high CO2, high HCo3 |
ABG was sent to the lab. What has been altered? | A/p/h increase |
In iron def. anemia, saturation of transferrin would be high, normal, or low? | Low |
In what form is iron stored in the blood? | A/ferritin B/hemosiderin |
An increased tranferrin saturation perc. would be expected in ? | A/hemochromatosis C/iron poisoning |
TIBC measures what? | B/transferrin |
Decreased serum iron and increased TIBC are associated with what? | B/iron def anemia |
Another patient's blood was drawn at 8:00am. The results are due to? | D/time specimen was drawn |
Most sensitive indicator of iron def is ? | C/ferritin (but question was debated by the class) |
Which statement is true of iron def? | C/normal ferritin rules out iron def (question may get deleted from test) |
Which step is NOT needed to determine iron levels? | B/protein precipitation |
The majority of iron in WHOLE blood is stored where? | A/hemoglobin |
Name 3 places where iron gets stored in the body. | 1. liver 2. bone marrow 3. spleen |
What is the normal range for bicarbonate/HCO3? | 22-26 mEq/L and mmol/L |
What is the normal range for PaCO2? | 32-48 mmHg |
Go here for a tutorial on how to diagnose ABGs in a way that doesn't even require you to know what you're doing. :) It actually makes understanding what ABGs are really about a lot simpler. Eventually, you won't even need to use this method. | http://survivenursing.com/ |
Created by:
IsaacJ
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