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HESI LPN · HESI LPN Medical Surgical Nursing · HESI Lymphatic Immune System Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What is the key characteristic of adaptive immunity compared to innate immunity?

A. It uses physical barriers like skin
B. It has antigen-specific responses and memory
C. It responds to all antigens non-specifically
D. It is faster than innate immunity

Expert Explanatory Rationale

Correct Answer: It has antigen-specific responses and memory

Question 2 of 5

Why did Barry Marshall drink a pure culture of Helicobacter pylori?

A. To demonstrate the H. pylori is the cause of gastric cancer
B. To demonstrate an association between H. pylori infection and gastric ulcers
C. To demonstrate that gastric ulcers are caused by stress rather than bacterial
D. A and B are both correct

Expert Explanatory Rationale

Correct Answer: To demonstrate an association between H. pylori infection and gastric ulcers

Question 3 of 5

The patient with osteoporosis calls the nurse in the doctor's office to report that she should have taken but has forgotten to take her weekly bisphosphonate (alendronate [Fosamax]) that was due 2 days ago. How should the nurse advise the patient?

A. "Take the dose now with 8 ounces of water."
B. "Take two doses 3 days apart."
C. "Skip this week and pick up the schedule next week."
D. "Take two tablets now with a snack."

Expert Explanatory Rationale

Correct Answer: "Skip this week and pick up the schedule next week."

Question 4 of 5

Which of the following is NOT a characteristic of innate immunity?

A. Always present and functional
B. Has memory to improve responses over time
C. Recognizes pathogens in a non-specific manner
D. Can respond immediately

Expert Explanatory Rationale

Correct Answer: Has memory to improve responses over time

Question 5 of 5

The daughter of a man with Huntington’s disease is having presymptomatic genetic testing done. What does a positive result mean for her?

A. She will get the disease.
B. She is a carrier of Huntington’s disease.
C. She will be at increased risk for developing the disease.
D. She should change her diet, exercise, and environment to prevent the disease.

Expert Explanatory Rationale

Correct Answer: She will get the disease.

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