CEN Online Practice Questions and Answers

Correct Answer: C

Disturbed sensory perception should be included in this patient's plan of care. The patient's vision would be disturbed related to lens extraction and replacement. The other nursing diagnoses may be appropriate for this patient, but are not relevant to cataract surgery.

Correct Answer: D

The correct hand placement for chest compressions is the lower half of the sternum. To determine the proper placement the nurse would want to locate the notch where the rib margin meets the sternum. Place the middle finger on the notch and index finger next to it. Next place the heel of the opposite hand on the lower half of the sternum close to the index finger. Place the first hand on top of the hand on the sternum and begin chest compressions.

Correct Answer: D

The communicable period for Rubeola (measles) is 4 to 5 days after the rash appears. The incubation period is 10-15 days. The blue-white spots found in the mouth during Rubeola are called Koplik's spots.

Correct Answer: A

The only activity the nursing student can complete is to walk the patient. All other tasks must be completed by an RN. The RN is responsible for any tasks the nursing student completes and should only delegate unlicensed skills to the student.

Correct Answer: D

The nurse would avoid documenting in the patient's record that an incident report has been submitted. The medical record belongs to the patient and should include all information related to the incident. The incident report belongs to the hospital and should not be referred to in the medical record. Incident reports are used to examine the issue and improve the quality of care for all patients.

Correct Answer: A

The patient will need further education on the necessity of taking medications if the theophylline level is 10 mcg/mL. The therapeutic range is 10 to 20 mcg/mL. If the level is low, the patient will experience frequent exacerbations of the disease.

Correct Answer: D

The nurse should instruct the patient to perform the Valsalva's maneuver (take a deep breathe, exhale and bear down). Then the tube would be quickly removed and an airtight dressing placed. An alternative would be to ask the patient to take a deep breathe and hold the breath while the tube is removed.

Correct Answer: B

An area of induration measuring 10 mm would indicate a positive result in children less than 4 years old. An area of induration 5 mm or greater would be considered positive in any high risk patients, such as those with HIV. An area of induration 15 mm or larger would be considered positive for patient four years old or older with no high risks for tuberculosis.

Correct Answer: B

The nurse would want to limit suctioning to 10 seconds through a tracheostomy. Hypoxemia can be caused by prolonged suctioning and will stimulate the pacemaker cells in the heart. This could lead to a vasovagal response, which will cause bradycardia. The patient will need to be preoxygenated prior to suctioning.

Correct Answer: D

The hand would have decreased or nonexistent sensitivity to touch with a white or blue color to the skin. The skin may also be hard and cold. Tissue edema, blisters and flushing of the skin may occur as the hand begins to thaw.