ATI LPN
Medical Surgical Endocrine Quizlet Questions
Question 1 of 5
Which of the following statements is false regarding the cardiac conducting system?
Correct Answer: D
Rationale: SA node, not AV node, is the pacemaker (60-100 bpm); AV node delays signal.
Question 2 of 5
An inflammatory response is triggered when:
Correct Answer: C
Rationale: Mast cells release histamine/heparin, causing inflammation; cortisone suppresses it.
Question 3 of 5
In which direction does carbon dioxide move during external respiration?
Correct Answer: B
Rationale: External respiration: CO2 moves from blood to alveoli, then exhaled.
Question 4 of 5
When the pH , a state of alkalosis exists.
Correct Answer: D
Rationale: Alkalosis is pH > 7.45; normal is 7.35-7.45.
Question 5 of 5
About five percent of patients with esophageal cancer have metastasis to supraclavicular lymph nodes
Correct Answer: A
Rationale: Approximately 5% of esophageal cancer cases metastasize to supraclavicular lymph nodes, a recognized distant metastatic site, often indicating advanced disease.