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Free Practice Quiz Question List

4 Glucose and Endocrine Laboratory Values Online Quiz Questions

Use this free practice quiz with 20 questions to review 4 Glucose and Endocrine Laboratory Values, test your knowledge, and prepare for your next test or exam.

20 questions
01
Choose one
1 point

For a nonpregnant adult, an A1C result is 6.2%. Which category best fits this result?

  1. A

    Normal range

  2. B

    Prediabetes range

  3. C

    Diabetes range

02
True or false
1 point

A laboratory result outside its reference interval is, by itself, enough to establish a diagnosis.

  1. A

    True

  2. B

    False

03
Written response
1 point

What is the lower A1C cutoff for the diabetes range in the adult criteria described here? Enter the cutoff as a numeric percentage value.

04
Written response
1 point

What glucose cutoff, in mg/dL, marks the boundary below which a result is considered an alert value? Enter the cutoff itself, not a value below it.

05
True or false
1 point

Severe hypoglycemia is defined by the need for another person’s help, regardless of the glucose measurement.

  1. A

    True

  2. B

    False

06
Choose one
1 point

A nonpregnant adult has a 2-hour oral glucose tolerance test result of 185 mg/dL after a 75-g glucose drink. Which category applies?

  1. A

    Normal range

  2. B

    Prediabetes range

  3. C

    Diabetes range

07
Choose all
1 point

A patient with diabetes is confused and cannot swallow safely during a hypoglycemic episode. Select all appropriate immediate actions.

  1. A

    Give nothing by mouth.

  2. B

    Activate emergency assistance.

  3. C

    Give fast-acting carbohydrate by mouth.

  4. D

    Administer glucagon or IV dextrose as authorized by protocol or order.

08
Choose one
1 point

A patient taking an SGLT2 inhibitor has nausea, abdominal pain, and deep breathing, with a glucose reading of 185 mg/dL. Which response is most appropriate?

  1. A

    Rule out DKA because the glucose is below 200 mg/dL.

  2. B

    Treat DKA as possible and arrange urgent clinical assessment, including evaluation for ketones and acid-base disturbance.

  3. C

    Wait for the glucose to rise before contacting the clinician.

  4. D

    Give extra insulin without an order or protocol.

09
Choose all
1 point

A laboratory reports a critical result. Select all appropriate actions under the stated policy guidance.

  1. A

    Promptly assess the patient.

  2. B

    Verify patient and specimen identity.

  3. C

    Communicate the result using the required escalation chain.

  4. D

    Delay escalation until every question about the reference range is resolved.

  5. E

    Document who was notified and when, and reassess after interventions.

10
Open ended
1 point

A patient with possible adrenal insufficiency becomes hypotensive and vomits repeatedly. Describe the immediate response and whether treatment should wait for confirmatory cortisol testing.

11
True or false
1 point

A random plasma glucose of at least 200 mg/dL together with classic symptoms can support a diabetes diagnosis.

  1. A

    True

  2. B

    False

12
Choose one
1 point

An 8 a.m. serum cortisol result is 4 mcg/dL. Which interpretation best reflects the common interval and its limitations?

  1. A

    It is within the commonly cited 8 a.m. interval and rules out adrenal insufficiency.

  2. B

    It establishes the specific cause of adrenal insufficiency.

  3. C

    It is below the commonly cited 8 a.m. interval and may prompt evaluation, but does not by itself establish the cause.

  4. D

    It cannot be interpreted because cortisol results do not depend on timing.

13
Written response
1 point

What glucose cutoff marks the level below which hypoglycemia is considered clinically significant? Enter the cutoff value in mg/dL.

14
Choose one
1 point

A nonpregnant adult with no unequivocal symptoms has a fasting plasma glucose of 132 mg/dL. Which interpretation is most appropriate?

  1. A

    Prediabetes-range result; no further evaluation is needed

  2. B

    Diabetes-range result; generally confirm the abnormal result

  3. C

    Normal result because the patient is stable

  4. D

    Diagnostic of diabetes regardless of symptoms or confirmation

15
Choose one
1 point

A patient’s results show high TSH and low free T4. Which interpretation is most appropriate?

  1. A

    The pattern commonly suggests primary hypothyroidism

  2. B

    The pattern commonly suggests hyperthyroidism

  3. C

    The results rule out thyroid disease

  4. D

    TSH alone identifies the cause of the abnormality

16
Choose one
1 point

A patient with known thyrotoxicosis develops a high fever, marked tachycardia, and agitation. What is the best immediate response?

  1. A

    Arrange routine follow-up after the next thyroid test

  2. B

    Give oral fluids and reassess at the end of the shift

  3. C

    Activate rapid response or emergency care and monitor airway, circulation, temperature, and cardiac rhythm

  4. D

    Wait for a repeat TSH result before escalating

17
Choose one
1 point

A patient with severe hypothyroidism is hypothermic, breathing inadequately, and becoming less responsive. What is the most appropriate response?

  1. A

    Schedule outpatient thyroid testing because slow breathing is expected

  2. B

    Arrange emergency hospital care and escalate the patient’s condition

  3. C

    Wait for a thyroid test result before contacting the clinician

  4. D

    Treat the low temperature at home and reassess tomorrow

18
Written response
1 point

An asymptomatic, nonpregnant adult has a fasting plasma glucose of 132 mg/dL. What is generally needed before diagnosing diabetes from this abnormal result?

19
Fill in the blank
1 point

A typical HHS presentation includes much higher glucose, severe dehydration, and .

20
Fill in the blank
1 point

A typical free T4 reference interval is about to ng/dL, although the reporting laboratory’s interval should guide interpretation.