Page | 1
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NURS5315 Exam 3 Questions with
Detailed Verified Answers (100% Correct
Answers) /Already Graded A+
This receptor causes increased contractility, increased HR, and increased renin
secretion
Ans: Beta 1
This receptor causes vasodilation and bronchial dilation
Ans: Beta 2
Albuterol stimulates the _________ receptors and is administered during
respiratory distress
Ans: Beta 2
This receptor causes vasoconstriction and is stimulated by Norepinephrine
Ans: Alpha 1
This receptor causes vasodilation
Ans: Dopamine 1
Dopamine administered in low doses causes vaso_______________.
Ans: Dilation
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Dopamine administered in high doses causes vaso__________ because it
activates the ___________ receptor.
Ans: constriction, alpha 1
A moderate dose of dopamine causes ________ contractility and
______________ cardiac output
Ans: increased, increased
Epinephrine primarily activates the ____________ receptor
Ans: Beta 1
Epinephrine also activates Beta 2 and Alpha 1 receptors which
_________________________ vascular tone.
Ans: does not change
Epinephrine causes _________________ contractility and
_____________________ cardiac output.
Ans: increased, increased
Levophed activates which 2 receoptors to cause increased vasocontriction and
increased contractility?
Ans: Beta 1 and Alpha 1
Epinepherine and norepinephrine are released by the ____________________
nervous system and the ________ gland.
Ans: Sympathetic, adrenal
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Beta 1 receptors are located in the __________.
Ans: Heart
Beta 2 and alpha 1 receptors are located mainly in the
______________________.
Ans: Blood vessels
These receptors are located in the renal, mesenteric, coronary, and
cerebrovascular blood vessels
Ans: Dopamine 1
Dobutamine stimulates ___________ receptors to improve contractility and
_____________ HR.
Ans: Beta 1, increase
pertaining to heart rate
Ans: Chronotropy
force of myocardial contraction
Ans: Inotropy
Drugs that affect the chronotropy affect the __________________.
Ans: Heart rate
Drugs that affect the inotropy affect the _____________________.
Ans: myocardial contraction
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Acetylchoine is released by the _____________________ nervous system and
_______________ heart rate, ______________ contractility, and causes
vaso_____________.
Ans: Parasympathetic, decreases, decreases, dilation
Relaxation of the heart
Ans: Diastole
Contraction of the heart
Ans: Systole
There are _____ pulmonary veins that take blood back to the
________________ (chamber).
Ans: 4, left atrium
slight pause of impulse between SA and AV so the blood has time to push into
the left ventricle. Represents about _____% of cardiac output.
Ans: atrial kick, 20
The right side of the heart has ______ pressures than the left side.
Ans: lower
The left side of the heart has ____________ pressures than the right side.
Ans: higher
heart rate x stroke volume
Click here for more: Preppass - Stuvia
NURS5315 Exam 3 Questions with
Detailed Verified Answers (100% Correct
Answers) /Already Graded A+
This receptor causes increased contractility, increased HR, and increased renin
secretion
Ans: Beta 1
This receptor causes vasodilation and bronchial dilation
Ans: Beta 2
Albuterol stimulates the _________ receptors and is administered during
respiratory distress
Ans: Beta 2
This receptor causes vasoconstriction and is stimulated by Norepinephrine
Ans: Alpha 1
This receptor causes vasodilation
Ans: Dopamine 1
Dopamine administered in low doses causes vaso_______________.
Ans: Dilation
,Page | 2
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Dopamine administered in high doses causes vaso__________ because it
activates the ___________ receptor.
Ans: constriction, alpha 1
A moderate dose of dopamine causes ________ contractility and
______________ cardiac output
Ans: increased, increased
Epinephrine primarily activates the ____________ receptor
Ans: Beta 1
Epinephrine also activates Beta 2 and Alpha 1 receptors which
_________________________ vascular tone.
Ans: does not change
Epinephrine causes _________________ contractility and
_____________________ cardiac output.
Ans: increased, increased
Levophed activates which 2 receoptors to cause increased vasocontriction and
increased contractility?
Ans: Beta 1 and Alpha 1
Epinepherine and norepinephrine are released by the ____________________
nervous system and the ________ gland.
Ans: Sympathetic, adrenal
,Page | 3
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Beta 1 receptors are located in the __________.
Ans: Heart
Beta 2 and alpha 1 receptors are located mainly in the
______________________.
Ans: Blood vessels
These receptors are located in the renal, mesenteric, coronary, and
cerebrovascular blood vessels
Ans: Dopamine 1
Dobutamine stimulates ___________ receptors to improve contractility and
_____________ HR.
Ans: Beta 1, increase
pertaining to heart rate
Ans: Chronotropy
force of myocardial contraction
Ans: Inotropy
Drugs that affect the chronotropy affect the __________________.
Ans: Heart rate
Drugs that affect the inotropy affect the _____________________.
Ans: myocardial contraction
, Page | 4
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Acetylchoine is released by the _____________________ nervous system and
_______________ heart rate, ______________ contractility, and causes
vaso_____________.
Ans: Parasympathetic, decreases, decreases, dilation
Relaxation of the heart
Ans: Diastole
Contraction of the heart
Ans: Systole
There are _____ pulmonary veins that take blood back to the
________________ (chamber).
Ans: 4, left atrium
slight pause of impulse between SA and AV so the blood has time to push into
the left ventricle. Represents about _____% of cardiac output.
Ans: atrial kick, 20
The right side of the heart has ______ pressures than the left side.
Ans: lower
The left side of the heart has ____________ pressures than the right side.
Ans: higher
heart rate x stroke volume
