A nurse is being oriented to work for an intensive care unit. The hemodynamic data indicate that the patient has a decreased preload. Which information indicates the nurse has a correct under-standing of the concept of preload?
a. It is the amount of blood ejected from the left ventricle each minute.
b. It is the amount of blood in the heart at the end of ventricular diastole.
c. It is the resistance to the ejection of blood from the left ventricle.
d. It is the rhythmic relaxation and contrac-tion of the heart chambers.
B
Preload is the amount of blood at the end of ventricular diastole. Cardiac output is the amount of blood ejected from the left ventricle each minute. Cardiac conduction is the rhythmic relaxation and contraction of the atria and ventricles dependent on transmission of electrical impulses. Af-terload is the resistance of the ejection of blood from the left ventricle.
You might also like to view...
A patient taking diltiazem (Cardizem) for hypertension has come to the clinic for a follow-up appointment. What adverse effects would the nurse assess the patient for?
A) Chest pain and pale skin B) Shortness of breath and wheezing C) Peripheral edema and bradycardia D) Tachycardia and increased energy level
Prior to a nurse obtaining a signature for informed consent, responsibilities would include verification that the client:
a. was not coerced into signing the form b. can read and write c. has a family member witness the signature d. clearly understands the things discussed with the doctor
The nurse is caring for a patient receiving intravenous acyclovir [Zovirax]. To prevent nephro-toxicity associated with intravenous acyclovir, the nurse will:
a. hydrate the patient during the infusion and for 2 hours after the infusion. b. increase the patient's intake of foods rich in vitamin C. c. monitor urinary output every 30 minutes. d. provide a low-protein diet for 1 day before and 2 days after the acyclovir infusion.
What information does HIPAA mandate be given to patients upon admission to a healthcare facility?
A) what type of insurance is necessary for care B) who will be providing different types of care C) what different levels of care are provided D) how health information will be used