NHA Study Guide Questions & Answers 2026/2027 Update:

NHASTUDY GUIDE Questions & Answers 2026\20 v v v v v v




27 update v




1. After 12hrs of fasting and abstention from strenuous exercise, the body is sai
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d to be which state?
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Answer basal v




2. A test requisition lists the glucose specimen to be collected as a 2-
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hour postprandial. when should it be collected?
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Answer Two hours after patient eats
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3. which test is used to diagnose hypoglycemia?
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Answer 5 hour oral GTT v v v v




4. what test is used to diagnose gestational diabetes?
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Answer 1 hour GTT v v v




5. In an oral GTT, how much time may the patient take to drink the glucose sol
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ution?
Answer 5 minutes v v




6. which of the following shows significant diurnal variation?
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Answer cortisol v




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,7. which of the following is a therapeutic drug that might be measured?
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,Answer dilan- tin v v




8. what is the medical term for fainting?
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Answer syncope v




9. when you are unable to locate a vein after thoroughly examining a patient's arm
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, what steep should be taken next ?
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Answer examine the other arm for a vein
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1 0. a patient has a seizure while you are performing a venipuncture. What should y
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ou do? v




Answer remove the tourniquet and needle immediately, apply pressure, and call the n
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urse for help v v




1 1 . when collecting blood from a vein in the back of the hand, where should the tou
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rniquet be placed? v v




Answer Just above the wrist v v v v




1 2. which of the following tests is most seriously affected by hemolysis?
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Answer - v




Potassium


1 3. During a prolonged hospitalization, a patient requiring many laboratory tests
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v may develop what condition as a result of multiple blood samples being drawn?
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Answer Anemia v




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, 1 4. which of the following may cause a hematoma?
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Answer Going through the backside of the vein when inserting the needle
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15. all of the following are reasons for specimen rejection except for what?
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Answer - v




collection from the wrong vein v v v v




16. Basal state
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Answer refer to the bod's state after 8 to 12 hours of fasting
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1 7. timed specimens are useful in monitoring Answer c
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ardiac enzymes v




1 8. Patient preparation includes verifying patient age on the requisition Answer b
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e- cause lab reference ranges may be set based on age
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19. what is the effect ofdehydration on the patients test result?
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Answer Hemoconcen- tration v v




20. Blood tested from patients who have been in a supine position for an exte
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nded period of time may exhibit what type of shift in certain blood test results
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Answer decreased v




21. which of the following is not pre-analytical variable
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