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NUR NUR 4250Ch 14.

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Exam of 20 pages for the course NUR NUR 4250Ch 14. at NUR NUR 4250Ch 14. (NUR NUR 4250Ch 14.)

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BRUNNER AND SUDDARTHS TEXTBOOK OF MEDICAL SURGICAL NURSING 14TH EDITION HINKLE TEST BANK

Test Bank - Brunner & Suddarth's Textbook of Medical-Surgical Nursing 14e 1
(Hinkle 2017)


Chapter 14: Shock and Multiple Organ Dysfunction Syndrome


1. A nurse in the ICU is planning the care of a patient who is being treated for shock. Which of
the following statements best describes the pathophysiology of this patients health problem?


A) Blood is shunted from vital organs to peripheral areas of the body.


B) Cells lack an adequate blood supply and are deprived of oxygen and nutrients.


C) Circulating blood volume is decreased with a resulting change in the osmotic pressure gradient.


D) Hemorrhage occurs as a result of trauma, depriving vital organs of adequate perfusion.


Ans: B


Feedback:


Shock is a life-threatening condition with a variety of underlying causes. Shock is caused when the
cells have a lack of adequate blood supply and are deprived of oxygen and nutrients. In cases of shock,
blood is shunted from peripheral areas of the body to the vital organs. Hemorrhage and decreased
blood volume are associated with some, but not all, types of shock.


2. In an acute care setting, the nurse is assessing an unstable patient. When prioritizing the patients
care, the nurse should recognize that the patient is at risk for hypovolemic shock in which of the
following circumstances?


A) Fluid volume circulating in the blood vessels decreases.


B) There is an uncontrolled increase in cardiac output.


C) Blood pressure regulation becomes irregular.


D) The patient experiences tachycardia and a bounding pulse.


Ans: A


Feedback:


Hypovolemic shock is characterized by a decrease in intravascular volume. Cardiac output is decreased,
blood pressure decreases, and pulse is fast, but weak.


3. The emergency nurse is admitting a patient experiencing a GI bleed who is believed to be in the
compensatory stage of shock. What assessment finding would be most consistent with the early stage
of compensation?




NURSINGTB.C

, BRUNNER AND SUDDARTHS TEXTBOOK OF MEDICAL SURGICAL NURSING 14TH EDITION HINKLE TEST BANK

Test Bank - Brunner & Suddarth's Textbook of Medical-Surgical Nursing 14e 2
(Hinkle 2017)



A) Increased urine output


B) Decreased heart rate


C) Hyperactive bowel sounds


D) Cool, clammy skin


Ans: D


Feedback:


In the compensatory stage of shock, the body shunts blood from the organs, such as the skin and
kidneys, to the brain and heart to ensure adequate blood supply. As a result, the patients skin is cool and
clammy. Also in this compensatory stage, blood vessels vasoconstrict, the heart rate increases, bowel
sounds are hypoactive, and the urine output decreases.


4. 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


Ans: A


Feedback:


Crystalloids are electrolyte solutions used for the treatment of hypovolemic shock. Lactated Ringers and
0.9% 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% NaCl is a hypertonic solution and is not isotonic.


5. A patient who is in shock is receiving dopamine in addition to IV fluids. What principle should
inform the nurses care planning during the administration of a vasoactive drug?


A) The drug should be discontinued immediately after blood pressure increases.




NURSINGTB.C

, BRUNNER AND SUDDARTHS TEXTBOOK OF MEDICAL SURGICAL NURSING 14TH EDITION HINKLE TEST BANK

Test Bank - Brunner & Suddarth's Textbook of Medical-Surgical Nursing 14e 3
(Hinkle 2017)

B) The drug dose should be tapered down once vital signs improve.


C) The patient should have arterial blood gases drawn every 10 minutes during treatment.


D) The infusion rate should be titrated according the patients subjective sensation of
adequate perfusion.


Ans: B


Feedback:


When vasoactive medications are discontinued, they should never be stopped abruptly because this
could cause severe hemodynamic instability, perpetuating the shock state. Subjective assessment data are
secondary to objective data. Arterial blood gases should be carefully monitored, but every10-minute
draws are not the norm.


6. A nurse in the ICU receives report from the nurse in the ED about a new patient being admitted with
a neck injury he received while diving into a lake. The ED nurse reports that his blood pressure is
85/54, heart rate is 53 beats per minute, and his skin is warm and dry. What does the ICU nurse
recognize that that patient is probably experiencing?


A) Anaphylactic shock


B) Neurogenic shock


C) Septic shock


D) Hypovolemic shock


Ans: B


Feedback:


Neurogenic shock can be caused by spinal cord injury. The patient will present with a low blood
pressure; bradycardia; and warm, dry skin due to the loss of sympathetic muscle tone and increased
parasympathetic stimulation. Anaphylactic shock is caused by an identifiable offending agent, such as a
bee sting. Septic shock is caused by bacteremia in the blood and presents with a tachycardia.
Hypovolemic shock presents with tachycardia and a probable source of blood loss.


7. The intensive care nurse caring for a patient in shock is planning assessments and interventions
related to the patients nutritional needs. What physiologic process contributes to these increased
nutritional needs?


A) The use of albumin as an energy source by the body because of the need for increased
adenosine triphosphate (ATP)





NURSINGTB.C

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