ATI LPN
Gastrointestinal System Questions and Answers Questions
Question 1 of 5
The muscularis externa of the upper third of the esophagus has primarily
Correct Answer: A
Rationale: The upper third of the esophagus has skeletal muscle in its muscularis externa, allowing voluntary swallowing control.
Question 2 of 5
Which of the following statements about a tooth is NOT correct?
Correct Answer: B
Rationale: The pulp cavity is vascular and innervated, not avascular, making this statement incorrect.
Question 3 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 4 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 5 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.