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Questions and Answers
Which of the following is a characteristic of the compensated stage of circulatory shock?
Which of the following is a characteristic of the compensated stage of circulatory shock?
- Tissue hypoperfusion and metabolic derangement
- Leakage of fluid and protein into extracellular space
- Activation of neurohormonal mechanisms to maintain CO and BP (correct)
- Severe cell and tissue injury
What is the main reason for the skin to appear pale, cool, and moist in the compensated stage of shock?
What is the main reason for the skin to appear pale, cool, and moist in the compensated stage of shock?
- Cutaneous vasoconstriction (correct)
- Decreased blood flow to the skin
- Increased heart rate
- Increased peripheral vasoconstriction
Which of the following is a characteristic of the irreversible stage of circulatory shock?
Which of the following is a characteristic of the irreversible stage of circulatory shock?
- Tissue hypoperfusion and metabolic derangement
- Leakage of fluid and protein into extracellular space
- Activation of neurohormonal mechanisms to maintain CO and BP
- Severe cell and tissue injury (correct)
Which of the following is true about the PR interval on an EKG?
Which of the following is true about the PR interval on an EKG?
What is the electrical event represented by the T wave on an EKG?
What is the electrical event represented by the T wave on an EKG?
What is the direction of current flow on the outer membrane surface of excitable cardiac cells during depolarization?
What is the direction of current flow on the outer membrane surface of excitable cardiac cells during depolarization?
Why do the Q and S waves cause negative deflections on the EKG?
Why do the Q and S waves cause negative deflections on the EKG?
Which of the following best describes the alteration of the QRS complex in bundle branch block?
Which of the following best describes the alteration of the QRS complex in bundle branch block?
Which of the following leads becomes the isoelectric lead in right axis rotation?
Which of the following leads becomes the isoelectric lead in right axis rotation?
Which of the following is the most common cause of current of injury?
Which of the following is the most common cause of current of injury?
What is the J point and how is it used to determine current of injury?
What is the J point and how is it used to determine current of injury?
Which lead gives the strongest positive QRS deflection in an EKG?
Which lead gives the strongest positive QRS deflection in an EKG?
Which lead gives a negative QRS deflection in an EKG?
Which lead gives a negative QRS deflection in an EKG?
Which precordial leads give negative QRS deflections in an EKG?
Which precordial leads give negative QRS deflections in an EKG?
Which precordial leads give positive QRS deflections in an EKG?
Which precordial leads give positive QRS deflections in an EKG?
Which of the following is NOT a cause of cardiogenic shock?
Which of the following is NOT a cause of cardiogenic shock?
What is the most common cause of hypovolemic shock?
What is the most common cause of hypovolemic shock?
Which of the following is a clinical feature of septic shock?
Which of the following is a clinical feature of septic shock?
Which therapy is NOT used in the treatment of shock?
Which therapy is NOT used in the treatment of shock?
Which one of these is a characteristic of ST segment elevation during acute transmural infarctions?
Which one of these is a characteristic of ST segment elevation during acute transmural infarctions?
Which one of these is a characteristic of ST segment alteration during pericarditis?
Which one of these is a characteristic of ST segment alteration during pericarditis?
Which one of these is a common EKG finding in anterior infarction?
Which one of these is a common EKG finding in anterior infarction?
Which one of these is a cause of sinus tachycardia?
Which one of these is a cause of sinus tachycardia?
Which type of shock may be effectively treated by sympathomimetics and why do sympathomimetics have little to no value in hemorrhagic shock?
Which type of shock may be effectively treated by sympathomimetics and why do sympathomimetics have little to no value in hemorrhagic shock?
Which two drug therapies are effective in anaphylactic shock and why are they effective?
Which two drug therapies are effective in anaphylactic shock and why are they effective?
What are the definitions of 'stenosis' and 'regurgitation' in the context of valvular disease?
What are the definitions of 'stenosis' and 'regurgitation' in the context of valvular disease?
What are the effects of aortic stenosis on intraventricular pressures?
What are the effects of aortic stenosis on intraventricular pressures?
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