CEN Practice Test Questions with Verified Correct
Answers
Preload refers to:
a. The volume of blood entering the left side of the heart
b. The volume of blood entering the right side of the heart
c. The pressure in the venous system that the heart must overcome to pump the blood
d. The pressure in the arterial system that the heart must overcome to pump the blood
b. The volume of blood entering the right side of the heart
Preload is the volume of blood that enters the right side of the heart. This volume stretches
the fibers in the heart prior to contraction. Preload is commonly measured as atrial pressure.
The patient is brought to the ED with an anterior ST-elevation myocardial infarction
(STEMI). You are assessing him for possible administration of fibrinolytics. An
absolute contraindication for this treatment is:
a. The patient's pain is not relieved by medications.
b. Symptoms began 36 hours before arrival.
c. The patient has received aspirin in the last 2 hours.
d. The patient had a previous MI 6 years ago.
b. Symptoms began 36 hours before arrival.
Fibrinolytic therapy is generally NOT recommended for patients whose symptoms began
more than 12 hours before arrival. Fibrinolytics should not be given if the onset of symptoms
Answers
Preload refers to:
a. The volume of blood entering the left side of the heart
b. The volume of blood entering the right side of the heart
c. The pressure in the venous system that the heart must overcome to pump the blood
d. The pressure in the arterial system that the heart must overcome to pump the blood
b. The volume of blood entering the right side of the heart
Preload is the volume of blood that enters the right side of the heart. This volume stretches
the fibers in the heart prior to contraction. Preload is commonly measured as atrial pressure.
The patient is brought to the ED with an anterior ST-elevation myocardial infarction
(STEMI). You are assessing him for possible administration of fibrinolytics. An
absolute contraindication for this treatment is:
a. The patient's pain is not relieved by medications.
b. Symptoms began 36 hours before arrival.
c. The patient has received aspirin in the last 2 hours.
d. The patient had a previous MI 6 years ago.
b. Symptoms began 36 hours before arrival.
Fibrinolytic therapy is generally NOT recommended for patients whose symptoms began
more than 12 hours before arrival. Fibrinolytics should not be given if the onset of symptoms