CEN Online Practice Questions and Answers

Correct Answer: C

Tinnitus is the most common complaint of patients with disorders of the inner ear. Tinnitus is a ringing in the ear that can be loud intolerable ringing or mild ringing that can be unnoticed during the day.

Correct Answer: A

The patient should not sleep on the right side following surgery. The patient should be placed in a semi-Fowler position to minimize edema and intraocular pressure. The patient should wear glasses and a protective shield over the affected eye.

Correct Answer: B

Older patients with hearing loss respond better to low pitch sounds. Age-related changes of the inner ear are called presbycusis. As a result of these changes the patient often loses the ability to hear high-pitched sounds.

Correct Answer: B

The nurse would prepare 15 ml of potassium chloride.

Desired dose: 30 mEq

Available concentration: 40 mEq (Units) per 20 mL (Volume)

Correct Answer: B

The nurse who has never had chicken pox should not be assigned to this patient. Herpes zoster is caused by the same virus that causes chicken pox; therefore, assigning this nurse to this patient would increase her chances of contracting chicken pox from the patient.

Correct Answer: A

The RN should assess the unlicensed staff member's competency to complete the task assigned to them before delegating. Written instructions are not necessary if the staff is competent to complete the skill. Supplies will need to be gathered once an assignment is made. The staff member performing the procedure needs to give his or her name and title to the patient before performing the task.

Correct Answer: C

The nurse would be most concerned if the patient reports suicidal thoughts. When the patient reports suicidal thoughts, the physician should be notified. The nurse should plan to have the patient under complete supervision until further notice, for the protection of the patient.

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: A

The nurse needs to assess vital signs prior to beginning a transfusion. Most transfusion reactions happen in the first 15 minutes of a reaction. It is important for the nurse to have set of baseline vital signs to determine if the patient is having a reaction.

Correct Answer: D

A patient in hypovalemic shock would benefit most from increasing IV fluids. Increasing the IV fluids helps to replace the fluids lost by the patient during the hemorrhage. Blood products may also be necessary but may take a while to obtain. Oxygen and oxytocic drugs will also be required but are not the priority for this patient.