ATI LPN
Medical-Surgical Nursing Neurological System Questions
Question 1 of 5
Which of the following best describes when the transmission of sound waves in the cochlea occurs?
Correct Answer: A
Rationale: Sound transmission occurs when the stapes pushes the oval window, displacing fluid and bulging the round window. TMP13 p. 673
Question 2 of 5
Which muscle is contracted as part of the pupillary light reflex?
Correct Answer: C
Rationale: The pupillary sphincter contracts to constrict the pupil in the light reflex. TMP13 p. 672
Question 3 of 5
Which structure functions to ensure that each of the three sets of extraocular muscles is reciprocally innervated so that one muscle of the pair relaxes while the other contracts?
Correct Answer: B
Rationale: The medial longitudinal fasciculus coordinates reciprocal extraocular muscle innervation. TMP13 p. 666
Question 4 of 5
A patient arrives in the emergency department with hemiparesis and dysarthria that started 2 hours previously, and health records show a history of several transient ischemic attacks (TIAs). The nurse anticipates preparing the patient for
Correct Answer: D
Rationale: The patient's history and clinical manifestations suggest an acute ischemic stroke, and a patient who is seen within 4.5 hours of stroke onset is likely to receive tPA (after screening with a CT scan). Heparin administration in the emergency phase is not indicated. Emergent carotid transluminal angioplasty or endarterectomy is not indicated for the patient who is having an acute ischemic stroke.
Question 5 of 5
The nurse is caring for a patient who has just returned after having left carotid artery angioplasty and stenting. Which assessment information is of most concern to the nurse?
Correct Answer: B
Rationale: Small emboli can occur during carotid artery angioplasty and stenting, and the aphasia indicates a possible stroke during the procedure. Slightly elevated pulse rate and blood pressure are not unusual because of anxiety associated with the procedure. Fine crackles at the lung bases may indicate atelectasis caused by immobility during the procedure. The nurse should have the patient take some deep breaths.