NGN NCLEX NCLEX NGN RN ACTUAL EXAM LATEST MAY 2023 TEST BANK 300 QUESTIONS AND CORRECT DETAILED ANS
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.NGN NCLEX /NCLEX NGN RN ACTUAL EXAM
LATEST MAY 2023 TEST BANK 300 QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES
|AGRADE
Which action should the nurse take before drawing a sample for ABGs from the
radial artery?
Perform the Allen test to assess collateral circulation. Make the client’s hand
blanch by obliterating both the radial and the ulnar pulses. Then release the
pressure over the ulnar artery only. If flow through the ulnar artery is good,
flushing will be seen immediately. The Allen test is then positive; therefore, the
radial artery can be used for puncture. If the Allen test is negative, repeat on the
other arm. If that test is also negative, seek another site for arterial puncture. The
Allen test ensures collateral circulation to the hand if thrombosis of the radial
artery should follow the puncture.
What PO 2 value indicates respiratory failure in adults?
PO2 below 60 mm Hg
What blood value indicates hypercapnia?
PCO2 above 45 mm Hg
Identify the condition that exists when the PO 2 is less than 60 mm Hg (acute
hypoxemia), the carbon dioxide tension rises above 50 mm Hg (acute hypercarbia,
hypercapnia) and the pH drops below 7.35, or both.
Acute Respiratory Failure
List three symptoms of respiratory failure in adults.
Dyspnea/tachypnea; intercostal and sternal retractions; cyanosis
List four common causes of respiratory failure in children.
Congenital heart disease; infection or sepsis; respiratory distress syndrome;
aspiration; fluid overload or dehydration
What percentage of O2 should a child in severe respiratory distress receive?
100%
1. Define shock.
1. Widespread, serious reduction of tissue perfusion, which leads to generalized
impairment of cellular function.
What is the most common cause of shock?
hypovolemia
. What causes septic shock?
Release of endotoxins by bacteria, which act on nerves in vascular spaces in the
periphery, causing vascular pooling, reduced venous return, and decreased cardiac
output and result in poor systemic perfusion
What is the goal of treatment for hypovolemic shock
Quick restoration of cardiac output and tissue perfusion.
Infant and children
For infants and children provide chest compressions that depress the chest at least
1/3 of the anterior posterior diameter of the chest, use chest compression rate of
∼100 to 120/min for infants and children.
• Single rescuers compression to ventilation rate 30:2; two rescuers 15:2
What intervention is used to restore cardiac output when hypovolemic shock
exists? In this answer include the word warm: Rapid infusion of warm volumeexpanding fluids
Rapid infusion of volume-expanding fluids.
. It is important to differentiate between hypovolemic and cardiogenic shock. How
might the nurse determine the existence of cardiogenic shock?
History of MI with left ventricular failure or possible cardiomyopathy, with
symptoms of pulmonary edema.
If a client is in cardiogenic shock, what might result from administration of
volume-expanding fluids, and what intervention can the nurse expect to perform in
the event of such an occurrence?
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