What factors affect afterload?
What will be an ideal response?
Afterload is the pressure or resistance against which the ventricles must pump to eject blood. Afterload is influenced by the following: arterial blood pressure, the ability of the arteries to become stretched (arterial distensibility), and arterial resistance.
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A patient in CCU is critically and terminally ill. The family has made a written request that no cardiopulmonary resuscitation (CPR) take place
The patient is well known to the physician, who does not agree with the family's assessment of the situation. While the physician is discussing the situation with the family and before agreement, the patient experiences a cardiopulmonary arrest. Legally, what is the most appropriate nursing action? A) Proceed as though a DNR order has been written, since such an order is anticipated. B) Take no action and page the patient's physician to ask for an immediate decision over the telephone. C) Initiate CPR and page the patient's physician to come to the care unit. D) Take no action and page the patient's family to return to the care unit immediately.
The nurse is assessing a patient with acute coronary syndrome (ACS). The nurse includes a careful history in the assessment, especially with regard to signs and symptoms. What signs and symptoms are suggestive of ACS? Select all that apply
A) Dyspnea B) Unusual fatigue C) Hypotension D) Syncope E) Peripheral cyanosis
An elderly woman had cardiac surgery that was completed quickly and seemed successful, but she developed an infection and was given cephalosporins and ampicillin. After that, she developed paralytic ileus with a low-grade fever
A chest X-ray appeared normal. Next, her kidneys failed. How might the kidney failure have been prevented in this patient? A) She should have been on a low-protein diet. B) She should have been given different antibiotics. C) Her ileus should have been treated. D) The surgery should have taken longer.
To estimate the length of the nasogastric (NG) tube that should be inserted to reach the client's stomach, the nurse should use the NG tube to measure the distance from the:
a. client's earlobe to the sternum after placing the client in a sitting position b. base of the client's nose to the umbilicus after placing the client in a supine position c. mouth to the earlobe and then to the xiphoid process after placing the client in a supine position d. tip of the client's nose to the earlobe and then to the xiphoid process after placing the client in a sitting position