Nokea
A critical care nurse is planning assessments in the knowledge that patients in shock are vulnerable to developing fluid replacement complications. For what signs and symptoms should the nurse monitor the patient? Select all that apply.
- A. Hypovolemia
- B. Difficulty breathing
- C. Cardiovascular overload
- D. Pulmonary edema
- E. Hypoglycemia
Correct Answer: B,C,D
Rationale: Fluid replacement complications can occur, often when large volumes are administered rapidly. Therefore, the nurse monitors the patient closely for cardiovascular overload, signs of difficulty breathing, and pulmonary edema. Hypovolemia is what necessitates fluid replacement, and hypoglycemia is not a central concern with fluid replacement.
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The nurse is caring for a patient who is exhibiting signs and symptoms of hypovolemic shock following injuries suffered in a motor vehicle accident. The nurse anticipates that the physician will promptly order the administration of a crystalloid IV solution to restore intravascular volume. In addition to normal saline, which crystalloid fluid is commonly used to treat hypovolemic shock?
- A. Lactated Ringers
- B. Albumin
- C. Dextran
- D. 3% NaCl
Correct Answer: A
Rationale: Crystalloids are electrolyte solutions used for the treatment of hypovolemic shock. Lactated Ringers and0.9\%$ sodium chloride are isotonic crystalloid fluids commonly used to manage hypovolemic shock. Dextran and albumin are colloids, but Dextran, even as a colloid, is not indicated for the treatment of hypovolemic shock.3\% \mathrm{NaCl}$ is a hypertonic solution and is not isotonic.
An 11-year-old boy has been brought to the ED by his teacher, who reports that the boy may be having a really bad allergic reaction to peanuts after trading lunches with a peer. The triage nurses rapid assessment reveals the presence of respiratory and cardiac arrest. What interventions should the nurse prioritize?
- A. Establishing central venous access and beginning fluid resuscitation
- B. Establishing a patent airway and beginning cardiopulmonary resuscitation
- C. Establishing peripheral IV access and administering IV epinephrine
- D. Performing a comprehensive assessment and initiating rapid fluid replacement
Correct Answer: B
Rationale: If cardiac arrest and respiratory arrest are imminent or have occurred, CPR is performed. As well, a patent airway is an immediate priority. Epinephrine is not withheld pending IV access and fluid resuscitation is not a priority.
A critical care nurse is aware of similarities and differences between the treatments for different types of shock. Which of the following interventions is used in all types of shock?
- A. Aggressive hypoglycemic control
- B. Administration of hypertonic IV fluids
- C. Early provision of nutritional support
- D. Aggressive antibiotic therapy
Correct Answer: C
Rationale: Nutritional support is necessary for all patients who are experiencing shock. Hyperglycemic (not hypoglycemic) control is needed for many patients. Hypertonic IV fluids are not normally utilized and antibiotics are necessary only in patients with septic shock.
The nurse in the ED is caring for a patient recently admitted with a likely myocardial infarction. The nurse understands that the patients heart is pumping an inadequate supply of oxygen to the tissues. For what health problem should the nurse assess?
- A. Dysrhythmias
- B. Increase in blood pressure
- C. Increase in heart rate
- D. Decrease in oxygen demands
Correct Answer: A
Rationale: Cardiogenic shock occurs when the hearts ability to pump blood is impaired and the supply of oxygen is inadequate for the heart and tissues. Symptoms of cardiogenic shock include angina pain and dysrhythmias. Cardiogenic shock does not cause increased blood pressure, increased heart rate, or a decrease in oxygen demands.
The nurse in the ICU is admitting a 57-year-old man with a diagnosis of possible septic shock. The nurses assessment reveals that the patient has a normal blood pressure, increased heart rate, decreased bowel sounds, and cold, clammy skin. The nurses analysis of these data should lead to what preliminary conclusion?
- A. The patient is in the compensatory stage of shock.
- B. The patient is in the progressive stage of shock.
- C. The patient will stabilize and be released by tomorrow.
- D. The patient is in the irreversible stage of shock.
Correct Answer: A
Rationale: In the compensatory stage of shock, the blood pressure remains within normal limits. Vasoconstriction, increased heart rate, and increased contractility of the heart contribute to maintaining adequate cardiac output. Patients display the often-described fight or flight response. The body shunts blood from organs such as the skin, kidneys, and GI tract to the brain and heart to ensure adequate blood supply to these vital organs. As a result, the skin is cool and clammy, and bowel sounds are hypoactive. In progressive shock, the blood pressure drops. In septic shock, the patients chance of survival is low and he will certainly not be released within 24 hours. If the patient were in the irreversible stage of shock, his blood pressure would be very low and his organs would be failing.