A patient with neurogenic shock initially exhibits: A. Hypertension B. Tachycardia C. Bradycardia D. Increased central venous pressure C. Bradycardia
How does any type of shock cause oliguria? A. By stimulating the RAAS system B. By decreasing the perfusion to the kidneys C. By stimulating carotid...
NUR 370 Exam 2 Questions and 100%
Correct Answers
A patient with neurogenic shock initially exhibits:
A. Hypertension
B. Tachycardia
C. Bradycardia
D. Increased central venous pressure ✅C. Bradycardia
How does any type of shock cause oliguria?
A. By stimulating the RAAS system
B. By decreasing the perfusion to the kidneys
C. By stimulating carotid and baroreceptors
D. By decreasing the parasympathetic nervous system stimulation ✅B. By decreasing
the perfusion to the kidneys
Hypovolemic shock begins to develop when intravascular volume has decreased by
_______%? ✅15
What type of shock develops with overstimulation of the parasympathetic nervous
system or under stimulation of the sympathetic nervous system?
A. Septic shock
B. Cardiogenic shock
C. Anaphylactic shock
D. Vasogenic shock (neurogenic shock) ✅D. Vasogenic shock (neurogenic shock)
______ shock is often more severe than other forms because of its sudden, rapid
systemic vasodilation
A. Septic
B. Hypovolemic
C. Anaphylactic
D. Neurogenic ✅C. Analphylactic
What type of shock causes decreased systemic vascular resistance (SVR)?
A. Septic
B. Cardiogenic
C. Hypovolemic
D. Heart failure ✅A. Septic
What are the primary goals for the treatment of shock?
A. Maximizing oxygen delivery and minimizing oxygen demand
,B. Maintaining hydration and adequate urinary output
C. Supporting all facets to the cardiovascular system
D. Maintaining all vital signs within normal functional ranges ✅A
To determine a patient's response to fluid therapy for shock, the nurse should monitor
____
A. Hematocrit and hemoglobin levels
B. Urine output and specific gravity
C. Blood pressure and pulse
D. Arterial blood gases and HR ✅B. Urine output and specific gravity
Which clinical manifestation of septic shock confirms an elevation in immune system
response?
A. Tachycardia
B. Increased WBC
C. Low respiratory rate
D. Hypothermia ✅B. Increased WBC count
Which condition is best defined as a clinical syndrome involving a systemic response to
infection, which is manifested by two or more of the systemic inflammatory response
syndrome (SIRS) criteria?
A. Bacteremia
B. Sepsis
C. Septicemia
D. Septic shock ✅B. Sepsis
Which kind of hematoma is most often caused by torn arteries? By torn veins?
✅Arteries = epidural hematoma
Veins = subdural hematoma
What is the most common type of stroke and how is it caused? ✅Ischemic stroke:
- thrombotic obstruction (blockage formed in brain)
- Embolic obstruction (clot moved to the brain)
What is the Penumbra zone? ✅a zone of hypoperfusion around an infarcted area
What is a TIA? ✅Transient ischemic attack
- sudden, brief episodes of neurologic dysfunction
- most last between 5-20 minutes
- warning sign of an impending stroke (1/3 of untreated TIA have a stroke within 5
years)
, How is a platelet plug formed? ✅- platelets adhere to site of vessel injury
- platelet activation and aggregation
- fibrinogen bridges form between glycoprotein receptors on adjacent platelets
Clotting factors VII, IX, X and prothrombin need what for synthesis? ✅vitamin K
The intrinsic and extrinsic coagulation pathway to produce fibrin (strengthens clot) both
converge at factor _____ ✅Xa
What are the two mechanisms to remove clots once they have aided in healing the
damaged vessel? ✅- Antithrombin (inactivates clotting factors)
- Plasmin (digests fibrin meshwork of clot)
________ is when there is stagnation of blood which initiated the coagulation cascade
and the fibrin production forms a thrombus which may break off to form an embolus.
✅Venous Thromboembolism (VTE)
What is the difference between drug therapy for thrombus prophylaxis versus
treatment? ✅the intensity (dose) of the drug is different
What proportion of VTE events occur within 90 days of a stay in hospital (during or post-
discharge)?
A. 25-30%
B. 35-40%
C. 55-60%
D. 75-80%
E. 95-100% ✅D. 75-80%
What is the number one ranked patient safety practice for hospitals? ✅VTE
prophylaxis
What sequence do drugs that bind to antithrombin have in common?
✅pentasaccharide sequence
What does antithrombin inactivate? ✅Factor Xa
What bloodtest would be done during Warfarin testing and why? ✅- INR test
- test of coagulation that is sensitive to changes in vitamin K-dependent factors
If someone has overdosed on Warfarin what could you give them to reverse the OD?
✅Vitamin K
Risk of bleeding with warfarin may be increased through which of the following
interactions?
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