ATI LPN
Medical Surgical Endocrine Practice Quiz Questions
Question 1 of 5
A clinical study is conducted in patients diagnosed with either type 1 or type 2 diabetes mellitus. Persons with either type develop complications of accelerated and advanced atherosclerosis. All untreated patients have an elevated hemoglobin A1c. Which of the following features common to patients with either type 1 or type 2 diabetes mellitus is most likely to be found by this study?
Correct Answer: D
Rationale: Nonenzymatic glycosylation of proteins is a function of the level of blood glucose, rather than the cause of hyperglycemia. This is the basis for an elevated hemoglobin A1c. Type 1 and type 2 diabetes mellitus are characterized by hyperglycemia, but the underlying pathogenetic mechanisms are different.
Question 2 of 5
Match the correct hormone pair that have antagonistic effects?
Correct Answer: A
Rationale: Calcitonin lowers Ca2+, PTH raises it "antagonistic; others lack direct opposition.
Question 3 of 5
Which of the following statements is false regarding heart disease and myocardial infarction (MI)?
Correct Answer: C
Rationale: Left anterior descending (LAD), not circumflex, is most commonly blocked in MI.
Question 4 of 5
All is true regarding the unique shape of red blood cells except:
Correct Answer: D
Rationale: All are true: biconcave shape aids gas exchange, flexibility, and rouleaux formation.
Question 5 of 5
Which of the following lymphocytes are involved in innate immunity?
Correct Answer: A
Rationale: NK cells are innate, targeting infected/cancer cells; others are adaptive (T/B) or phagocytic.