CEN Online Practice Questions and Answers

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: C

The nurse would want to investigate possible sexual abuse. This diagnosis in a child who is not sexually active should trigger suspicions in the nurse. Allergy, trauma and infection can all cause conjunctivitis, but chlamydia is a sexually transmitted disease.

Correct Answer: B

The examiner and the patient cover the opposite eyes and stare at each other while an object is brought into the line of sight. This test assumes that the examiner has normal vision. The patient indicates when they can see the object. This tests nasal, superior, temporal and inferior visual fields.

Correct Answer: D

To open the airway of any patient that might have a neck injury the nurse would perform a jaw thrust maneuver. All of the other options do not protect the neck from further injury.

Correct Answer: C

The nurse should grasp the retention sutures and spread the opening of the site. If policy allows, the nurse would then reinsert the tracheostomy or notify the physician to come reinsert the tube. The nurse should be sure not to do anything that would block the airway until the tube is reinserted.

Correct Answer: B

Diminished breath sounds would indicate a pneumothorax. Other symptoms might be shortness of breath and chest pain. If it is a large pneumothorax, the nurse may see tachypnea, cyanosis and subcutaneous emphysema.

Correct Answer: C

A sputum culture would confirm the diagnosis of tuberculosis. The culture would isolate the bacterium, Mycobacterium tuberculosis. A tuberculin skin test leads to a presumptive diagnosis. A chest x-ray would show evidence of graunulomatous disease.

Correct Answer: A

The patient with a prothrombin time greater than 1.5 times normal who is bleeding should receive fresh frozen plasma. A patient with thrombocytopenia would receive platelets. Anemic patients receive red blood cells, and crystalloids help establish and maintain fluid and electrolyte balance.

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.

Correct Answer: A

The nurse would want to assess the patient for ventricular dysrhythmia. The left ventricle may have been damaged by the myocardial infarction, which could lead to left ventricular failure. The patient would have tachycardia, low blood pressure and rising central venous pressure.