Which of the following factors influence stroke volume? (Select all that apply.)
a. Afterload
b. Cardiac output
c. Contractility
d. Heart rate
e. Preload
A, C, E
SV as a value is influenced by three primary factors: preload, afterload, and contractility. Cardiac output (CO) is determined by SV x HR = CO. Preload is the volume of blood in the left ventricle at the end of diastole.
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What is the purpose of the NCLEX-PN®?
1. Protect the public. 2. Pass the top 75 percent of test takers. 3. Ensure knowledge of nursing process. 4. Determine whether the nurse is competent to practice.
A 6-year-old child with daytime enuresis complains of dysuria and urgency. What does the nurse recognize these signs and symptoms indicate?
a. Urinary tract infection b. Nephrotic syndrome c. Acute glomerulonephritis d. Vesicoureteral reflux
The client is under immediate stress. The nurse assesses which sign as an effect of the sympathetic system?
A) Blood sugar of 65 mg/dL B) Heart rate of 102 beats/minute C) Increased bowel sounds D) Cool, clammy skin
10. Studies have shown that the reasons that nurses do not draw on research are related to
a. communication problems. b. individual and organizational factors. c. personal disinterest. d. rapid organizational changes.