WGU D116 Unit 4 Study Guide & Exam Review
WGU2026_2027.pdf
D116 Unit 4 Study Guide & Exam Review
WGU2026_2027.pdf
D116 Unit 4 Study Guide & Exam Review 2026_2027.pdf
WGU D116 Unit 4 Study Guide &
Exam Review 2026/2027
Page 1 1 of 40 Page 1 of 40
,WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf
Which medication class would be prescribed for palpitations?
Beta-blockers
A patient is taking a drug that interferes with venous constriction.
What should the nurse tell the patient?
Ask for assistance when getting out of bed
Drop in venous pressure reduces venous return to the heart which will pool in the
extremities and orthostatic hypotension can happen.
Bradycardia, ha, and SOB are not expected effects
Page 2 2 of 40 Page 2 of 40
,WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf
A patient is taking a beta1-adrenergic drug to improve the stroke volume of the heart. This
drug acts by increasing __________.
Myocardial contractility
Cardiac afterload is determined primarily by the degree of peripheral resistance caused by
constriction of arterioles; increasing afterload would decrease stroke volume
Page 3 3 of 40 Page 3 of 40
, WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf
A patient with a history of hypertension is admitted for a procedure.
If the patient's arterial pressure decreases, which clinical manifestation would you expect to
see?
Increased HR
When arterial pressure decreases, the vasoconstrictor center causes constriction of nearly
all arterioles, leading to an increase in peripheral resistance, constriction of veins, increasing
venous return, and increased HR
Page 4 4 of 40 Page 4 of 40
WGU2026_2027.pdf
D116 Unit 4 Study Guide & Exam Review
WGU2026_2027.pdf
D116 Unit 4 Study Guide & Exam Review 2026_2027.pdf
WGU D116 Unit 4 Study Guide &
Exam Review 2026/2027
Page 1 1 of 40 Page 1 of 40
,WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf
Which medication class would be prescribed for palpitations?
Beta-blockers
A patient is taking a drug that interferes with venous constriction.
What should the nurse tell the patient?
Ask for assistance when getting out of bed
Drop in venous pressure reduces venous return to the heart which will pool in the
extremities and orthostatic hypotension can happen.
Bradycardia, ha, and SOB are not expected effects
Page 2 2 of 40 Page 2 of 40
,WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf
A patient is taking a beta1-adrenergic drug to improve the stroke volume of the heart. This
drug acts by increasing __________.
Myocardial contractility
Cardiac afterload is determined primarily by the degree of peripheral resistance caused by
constriction of arterioles; increasing afterload would decrease stroke volume
Page 3 3 of 40 Page 3 of 40
, WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf WGU D116 Unit 4.pdf
A patient with a history of hypertension is admitted for a procedure.
If the patient's arterial pressure decreases, which clinical manifestation would you expect to
see?
Increased HR
When arterial pressure decreases, the vasoconstrictor center causes constriction of nearly
all arterioles, leading to an increase in peripheral resistance, constriction of veins, increasing
venous return, and increased HR
Page 4 4 of 40 Page 4 of 40
