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Question 1 of 10
1. Question
Checking the ST segment is the first step in identifying myocardial infarction. What does the elevation in the ST segment indicate?
Correct
Checking the ST segment is the first step in identifying myocardial infarction and an elevation in the ST segment is a significant warning sign that the patient has a cardiac injury.
Incorrect
Checking the ST segment is the first step in identifying myocardial infarction and an elevation in the ST segment is a significant warning sign that the patient has a cardiac injury.
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Question 2 of 10
2. Question
Why does Anterior MIs is considered the most dangerous injury?
Correct
Anterior MIs (myocardial infarction) is considered the most dangerous injury because it has the most damaged muscle and the injury to the ventricular conduction.
Incorrect
Anterior MIs (myocardial infarction) is considered the most dangerous injury because it has the most damaged muscle and the injury to the ventricular conduction.
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Question 3 of 10
3. Question
Which of the following is one of the causes of the left axis deviation?
Correct
Premature ventricular contractions are one of the common causes of the left axis deviation. Some common causes include anterior hemiblock and left ventricular hypertrophy.
Incorrect
Premature ventricular contractions are one of the common causes of the left axis deviation. Some common causes include anterior hemiblock and left ventricular hypertrophy.
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Question 4 of 10
4. Question
When does an anterior hemiblock occur?
Correct
When there is an obstruction in the anterior portion of the left bundle, an anterior hemiblock occurs.
Incorrect
When there is an obstruction in the anterior portion of the left bundle, an anterior hemiblock occurs.
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Question 5 of 10
5. Question
What are the key parameters obtained from hemodynamic monitoring?
Correct
Hemodynamic monitoring parameters are the following: measures of tissue oxygenation, cardiac output, and stroke volume.
Incorrect
Hemodynamic monitoring parameters are the following: measures of tissue oxygenation, cardiac output, and stroke volume.
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Question 6 of 10
6. Question
Which of the following best describes a stroke volume?
Correct
The amount of blood that is being ejected per heartbeat is known as stroke volume.
Incorrect
The amount of blood that is being ejected per heartbeat is known as stroke volume.
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Question 7 of 10
7. Question
What are the three regulators of stroke volume?
Correct
To regulate stroke volume, the following factors are used namely preload, afterload, and contractility.
Incorrect
To regulate stroke volume, the following factors are used namely preload, afterload, and contractility.
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Question 8 of 10
8. Question
All of the following are reasons why sinus tachycardia develops EXCEPT
Correct
A rapid increase in the metabolic rate and temperature increase, anxiety or fear or another psychological factor, and a significant decrease in stroke volume are three reasons why sinus tachycardia develops.
Incorrect
A rapid increase in the metabolic rate and temperature increase, anxiety or fear or another psychological factor, and a significant decrease in stroke volume are three reasons why sinus tachycardia develops.
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Question 9 of 10
9. Question
How does blood pressure being determined?
Correct
Cardiac output and systemic vascular resistance are two determining factors for blood pressure and work as follows: if there’s a decrease in cardiac output, the systemic vascular resistance will increase just enough to offset the fall in cardiac output and maintain blood pressure to its normal level.
Incorrect
Cardiac output and systemic vascular resistance are two determining factors for blood pressure and work as follows: if there’s a decrease in cardiac output, the systemic vascular resistance will increase just enough to offset the fall in cardiac output and maintain blood pressure to its normal level.
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Question 10 of 10
10. Question
What are the two problems that need to be ruled out to ensure that blood pressure is considered normal?
Correct
In order to maintain normal blood pressure, two problems should be ruled out namely hypotension (inadequate blood flows) and hypertension (extreme pressure and damage to the peripheral circulation.
Incorrect
In order to maintain normal blood pressure, two problems should be ruled out namely hypotension (inadequate blood flows) and hypertension (extreme pressure and damage to the peripheral circulation.