ATI LPN
Gastrointestinal System Questions and Answers Questions
Question 1 of 5
All lipids are absorbed through the brush border of the small intestine by the process of
Correct Answer: D
Rationale: Lipids, after emulsification by bile, are absorbed via simple diffusion across the brush border into enterocytes.
Question 2 of 5
The small, lymphatic capillaries that reside in the small intestines and absorb fats are known as
Correct Answer: D
Rationale: Lacteals are lymphatic capillaries in the villi of the small intestine that absorb dietary fats, making E the correct answer.
Question 3 of 5
Which of the following best describes the mechanism of action of streptokinase?
Correct Answer: B
Rationale: Streptokinase forms a complex with plasminogen to convert it to plasmin, which degrades fibrin clots, making B (tissue plasminogen activation) the correct answer.
Question 4 of 5
In a patient with an office blood pressure (BP) measured as above 140/90 mmHg, which of the following should be used to confirm a diagnosis of hypertension?
Correct Answer: C
Rationale: Ambulatory BP>=135/85 mmHg confirms hypertension per guidelines, making C the correct answer.
Question 5 of 5
Which of the following drug and loading dose combinations are recommended for immediate antiplatelet therapy of an NSTEMI?
Correct Answer: A
Rationale: For NSTEMI, guidelines recommend aspirin 300 mg and clopidogrel 300 mg loading doses, making A the correct answer.