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NURS5315 Exam 3 With All Questions and Answers 2025
Beta 1 - (answers)This receptor causes increased contractility, increased HR, and increased
renin secretion
Beta 2 - (answers)This receptor causes vasodilation and bronchial dilation
Beta 2 - (answers)Albuterol stimulates the _________ receptors and is administered during
respiratory distress
Alpha 1 - (answers)This receptor causes vasoconstriction and is stimulated by Norepinephrine
Dopamine 1 - (answers)This receptor causes vasodilation
Dilation - (answers)Dopamine administered in low doses causes vaso_______________.
constriction, alpha 1 - (answers)Dopamine administered in high doses causes vaso__________
because it activates the ___________ receptor.
increased, increased - (answers)A moderate dose of dopamine causes ________ contractility and
______________ cardiac output
Beta 1 - (answers)Epinephrine primarily activates the ____________ receptor
does not change - (answers)Epinephrine also activates Beta 2 and Alpha 1 receptors which
_________________________ vascular tone.
increased, increased - (answers)Epinephrine causes _________________ contractility and
_____________________ cardiac output.
, 2
Beta 1 and Alpha 1 - (answers)Levophed activates which 2 receoptors to cause increased
vasocontriction and increased contractility?
Sympathetic, adrenal - (answers)Epinepherine and norepinephrine are released by the
____________________ nervous system and the ________ gland.
Heart - (answers)Beta 1 receptors are located in the __________.
Blood vessels - (answers)Beta 2 and alpha 1 receptors are located mainly in the
______________________.
Dopamine 1 - (answers)These receptors are located in the renal, mesenteric, coronary, and
cerebrovascular blood vessels
Beta 1, increase - (answers)Dobutamine stimulates ___________ receptors to improve
contractility and _____________ HR.
Chronotropy - (answers)pertaining to heart rate
Inotropy - (answers)force of myocardial contraction
Heart rate - (answers)Drugs that affect the chronotropy affect the __________________.
myocardial contraction - (answers)Drugs that affect the inotropy affect the
_____________________.
, 3
Parasympathetic, decreases, decreases, dilation - (answers)Acetylchoine is released by the
_____________________ nervous system and _______________ heart rate, ______________
contractility, and causes vaso_____________.
Diastole - (answers)Relaxation of the heart
Systole - (answers)Contraction of the heart
4, left atrium - (answers)There are _____ pulmonary veins that take blood back to the
________________ (chamber).
atrial kick, 20 - (answers)slight pause of impulse between SA and AV so the blood has time to
push into the left ventricle. Represents about _____% of cardiac output.
lower - (answers)The right side of the heart has ______ pressures than the left side.
higher - (answers)The left side of the heart has ____________ pressures than the right side.
Cardiac output - (answers)heart rate x stroke volume
5 L/min - (answers)normal adult cardiac output at rest
Stroke volume - (answers)The amount of blood ejected from the ventricle in one contraction.
Preload - (answers)degree of stretch of the cardiac muscle fibers at the end of diastole
, 4
Decrease - (answers)a saturation of <50% results in a(n) ______________ in myocardial
contraction.
Ejection Fraction - (answers)measurement of the volume percentage of left ventricular contents
ejected with each contraction
55-65% - (answers)normal ejection fraction
Decreases - (answers)EF _____________ in systolic heart failure.
Increased - (answers)HF may result from ________________ preload as it causes a decline in
stroke volume and a back-up of blood into the pulmonary circulation.
Afterload - (answers)The force or resistance against which the heart pumps.
Afterload - (answers)Includes aortic pressure and systemic vascular resistance
High, high, high - (answers)hypertensive patients have a ________ SVR and a __________
aortic pressure, resulting in a ________ afterload.
Ventricle, Hypertrophy - (answers)Increased afterload increases the work of the ____________
and results in ______________.
Faster - (answers)A low afterload enables the heart to contract ____________.
Arterial blood pressure - (answers)cardiac output x total peripheral resistance
NURS5315 Exam 3 With All Questions and Answers 2025
Beta 1 - (answers)This receptor causes increased contractility, increased HR, and increased
renin secretion
Beta 2 - (answers)This receptor causes vasodilation and bronchial dilation
Beta 2 - (answers)Albuterol stimulates the _________ receptors and is administered during
respiratory distress
Alpha 1 - (answers)This receptor causes vasoconstriction and is stimulated by Norepinephrine
Dopamine 1 - (answers)This receptor causes vasodilation
Dilation - (answers)Dopamine administered in low doses causes vaso_______________.
constriction, alpha 1 - (answers)Dopamine administered in high doses causes vaso__________
because it activates the ___________ receptor.
increased, increased - (answers)A moderate dose of dopamine causes ________ contractility and
______________ cardiac output
Beta 1 - (answers)Epinephrine primarily activates the ____________ receptor
does not change - (answers)Epinephrine also activates Beta 2 and Alpha 1 receptors which
_________________________ vascular tone.
increased, increased - (answers)Epinephrine causes _________________ contractility and
_____________________ cardiac output.
, 2
Beta 1 and Alpha 1 - (answers)Levophed activates which 2 receoptors to cause increased
vasocontriction and increased contractility?
Sympathetic, adrenal - (answers)Epinepherine and norepinephrine are released by the
____________________ nervous system and the ________ gland.
Heart - (answers)Beta 1 receptors are located in the __________.
Blood vessels - (answers)Beta 2 and alpha 1 receptors are located mainly in the
______________________.
Dopamine 1 - (answers)These receptors are located in the renal, mesenteric, coronary, and
cerebrovascular blood vessels
Beta 1, increase - (answers)Dobutamine stimulates ___________ receptors to improve
contractility and _____________ HR.
Chronotropy - (answers)pertaining to heart rate
Inotropy - (answers)force of myocardial contraction
Heart rate - (answers)Drugs that affect the chronotropy affect the __________________.
myocardial contraction - (answers)Drugs that affect the inotropy affect the
_____________________.
, 3
Parasympathetic, decreases, decreases, dilation - (answers)Acetylchoine is released by the
_____________________ nervous system and _______________ heart rate, ______________
contractility, and causes vaso_____________.
Diastole - (answers)Relaxation of the heart
Systole - (answers)Contraction of the heart
4, left atrium - (answers)There are _____ pulmonary veins that take blood back to the
________________ (chamber).
atrial kick, 20 - (answers)slight pause of impulse between SA and AV so the blood has time to
push into the left ventricle. Represents about _____% of cardiac output.
lower - (answers)The right side of the heart has ______ pressures than the left side.
higher - (answers)The left side of the heart has ____________ pressures than the right side.
Cardiac output - (answers)heart rate x stroke volume
5 L/min - (answers)normal adult cardiac output at rest
Stroke volume - (answers)The amount of blood ejected from the ventricle in one contraction.
Preload - (answers)degree of stretch of the cardiac muscle fibers at the end of diastole
, 4
Decrease - (answers)a saturation of <50% results in a(n) ______________ in myocardial
contraction.
Ejection Fraction - (answers)measurement of the volume percentage of left ventricular contents
ejected with each contraction
55-65% - (answers)normal ejection fraction
Decreases - (answers)EF _____________ in systolic heart failure.
Increased - (answers)HF may result from ________________ preload as it causes a decline in
stroke volume and a back-up of blood into the pulmonary circulation.
Afterload - (answers)The force or resistance against which the heart pumps.
Afterload - (answers)Includes aortic pressure and systemic vascular resistance
High, high, high - (answers)hypertensive patients have a ________ SVR and a __________
aortic pressure, resulting in a ________ afterload.
Ventricle, Hypertrophy - (answers)Increased afterload increases the work of the ____________
and results in ______________.
Faster - (answers)A low afterload enables the heart to contract ____________.
Arterial blood pressure - (answers)cardiac output x total peripheral resistance
