IT's Shocking!
Pathophysiology-shock
- 1.
True or false. Shock is a state of hyperprofusion of tissues with blood.
- A.
True
- B.
False
Correct Answer
B. False -
- 2.
Which of the following is NOT a mechanism of shock.
- A.
Loss of fluid form the circulation
- B.
Destroying gram positive bacteremia
- C.
Pump failure of the heart
- D.
Severe gram negative bacteremia
Correct Answer
B. Destroying gram positive bacteremia -
- 3.
What is it called when all the tissues in the body are not being satiated with oxygen?
- A.
Hypothermia
- B.
Hypoglycemia
- C.
Hyperemia
- D.
Hypoprofusion
- E.
Hyperlipidemia
Correct Answer
D. Hypoprofusion -
- 4.
Which of the following is a characteristic of all three forms of shock?
- A.
Collapse of circulation and proportion between circulating blood volume and the vascular space.
- B.
Hypervolemia and bradycardia
- C.
Sufficient oxygen and nutrients to cells and tissues.
- D.
Collapse of circulation and a disproportion between the circulating blood volume and the vascular space.
Correct Answer
D. Collapse of circulation and a disproportion between the circulating blood volume and the vascular space. -
- 5.
True or false. Hypoprofusion eventually leads to organ failure.
- A.
True
- B.
False
Correct Answer
A. True -
- 6.
The cellular hypoxia causes a shift from ________ to _________ metabolism.
- A.
Anaerobic, aerobic
- B.
Active, passive
- C.
Aerobic, anaerobic
- D.
Passive, active
Correct Answer
C. Aerobic, anaerobic -
- 7.
During anaerobic metabolism what is increased to create an acidotic state?
- A.
Uric acid
- B.
Oxygen
- C.
Lactic acid
- D.
Pyruvic acid
Correct Answer
C. Lactic acid -
- 8.
Which of the following is an example of a major cause of shock in clinical practice?
- A.
External hemorrhage
- B.
Severe trauma
- C.
Large MI
- D.
Bacterial sepsis
- E.
All of the above
Correct Answer
E. All of the above -
- 9.
Which of the following is NOT involved in cardiogenic shock?
- A.
Loss of contractile elements
- B.
Pump failure
- C.
Arrhythmia
- D.
Hyper-contractile elements
- E.
Destruction of part of myocardium
Correct Answer
D. Hyper-contractile elements -
- 10.
_______ results from a loss of vascular tone and pooling of blood in dilated peripheral blood vessels.
- A.
Hyperlactemic shock
- B.
Hypoglycemic shock
- C.
Hypotonic shock
- D.
Hypothyroidism
- E.
Hyperprofusion
Correct Answer
C. Hypotonic shock -
- 11.
Which of the following is a cause of hypotonic shock?
- A.
Bee sting
- B.
Being socked in the face
- C.
Spinal cord injury
- D.
None of the above
- E.
All of the above
Correct Answer
E. All of the above -
- 12.
What is currently the most common cause of death in ICUs?
- A.
Hypovolemic shock
- B.
Cardiogenic shock
- C.
Septic shock
- D.
The cafeteria food
Correct Answer
C. Septic shock -
- 13.
Which of the following are causes of septic shock?
- A.
E. coli
- B.
Proteus serratia
- C.
Pseudomonas
- D.
A & B
- E.
All of the above
Correct Answer
E. All of the above -
- 14.
What is an endotoxin that is released that binds to WBCs causing a release of inflammatory mediators?
- A.
LDL
- B.
LSP
- C.
LSD
- D.
LPS
- E.
None of the above
Correct Answer
D. LPS -
- 15.
Which stage of shock is when compensatory mechanism are activated and perfusion f vital organs is maintained.
- A.
Progressive stage
- B.
Irreversible stage
- C.
Nonprogressive stage
- D.
Preliminary stage
- E.
Stage right
Correct Answer
C. Nonprogressive stage -
- 16.
Cardiac failure and the resultant hypoperfusion are initially compensated for by peripheral vasoconstriction. what stage of shock does this represent?
- A.
Irreversible
- B.
Non-progressive
- C.
Progressive
- D.
Preliminary
- E.
Final
Correct Answer
B. Non-progressive -
- 17.
Vasoconstriction of the renal blood vessels results in renal hypoperfusion and a decrease in GFR. This activates the RAS for conservation of fluid, increasing tha cardiac output and blood pressure. Which stage of shock does this represent?
- A.
Irreversible
- B.
Reversible
- C.
Final
- D.
Non progressive
- E.
Both B &D
Correct Answer
E. Both B &D -
- 18.
Tissue hypoprofusion and the onset of worsening circulatory and metabolic imbalances (aka: acidosis), is representative of what stage?
- A.
Non-progressive
- B.
Progressive
- C.
Preliminary
- D.
Final
- E.
None of the above
Correct Answer
B. Progressive -
- 19.
A low pH dilating the arterioles and blood creates pooling in the microcirculation, which worsens the cardiac output. What is this condition called?
- A.
Metabolic alkalosis
- B.
Metabolic acidosis
- C.
Lactic acidosis
- D.
Uric acidosis
Correct Answer
C. Lactic acidosis -
- 20.
What are the changes in the lungs and kidneys due to shock?
- A.
The alveolar capillaries hyperprofuse and regenerate in the lungs, and urinary output increases due to stimulation of Parasympathetic Nervous System.
- B.
The kidneys decrease urinary output and the alveolar capillaries hyperprofuse.
- C.
The alveolar capillaries necrotize, and the renal cortical vessels decrease GFR which decrease renal output.
- D.
A&B
Correct Answer
C. The alveolar capillaries necrotize, and the renal cortical vessels decrease GFR which decrease renal output. -
- 21.
What is another name for shock lung?
- A.
Chronic respiratory failure syndrome
- B.
Pneumonia
- C.
I'm clear, You're clear
- D.
Acute respiratory distress syndrome
Correct Answer
D. Acute respiratory distress syndrome -
- 22.
Cellular injury is widespread, affecting all organs, especially the kidneys. This is an example of what stage of shock?
- A.
Preliminary
- B.
Irreversible
- C.
Non-progressive
- D.
Progressive
- E.
Both B &C
Correct Answer
B. Irreversible -
- 23.
Which of the following is NOT involved in the irreversible stage of shock?
- A.
Brain exhibits ischemic encephalopathy
- B.
Distress
- C.
Unconciousness
- D.
Alkalosis
- E.
Acidosis
Correct Answer
D. Alkalosis -
- 24.
What does DIC stand for?
- A.
Disseminated internal clotting
- B.
Degenerative ileocecal cancer
- C.
Disseminated intravascular coagulation
- D.
Degenerative ischemia cepahlopathy
Correct Answer
C. Disseminated intravascular coagulation -
- 25.
True or false. the body is usually edematous (anasarca) with shock.
- A.
True
- B.
False
Correct Answer
A. True -
- 26.
When the organs are congested with edema, the lungs may be how many times the normal weight?
- A.
1-2 times
- B.
2-6 times
- C.
They will be lighter than normal
- D.
2-3 times
Correct Answer
D. 2-3 times -
- 27.
Which of the following is/are prominent features of shock pathology?
- A.
Dark intestines due to blood pooling
- B.
Swollen kidneys with a dark cortex
- C.
Edematous brain with flattening of gyri
- D.
Congested and enlarged liver
- E.
Anasarca
Correct Answer
B. Swollen kidneys with a dark cortex -
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Jan 07, 2013Quiz Edited by
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Sep 26, 2009Quiz Created by
Aluse24
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