The nurse is instructing a group of students about the ability to increase the strength of a cardiac contraction. Which medical term is appropriate for the nurse to use when referring to this topic?
1. Positive inotropic effect
2. Negative chronotropiceffect
3. Preload
4. Afterload
1
Rationale 1: The ability to increase the strength of contraction is called a positive inotropic effect.
Rationale 2: Negative chronotropiceffect would be a reduction of the rate or number of the contractions.
Rationale 3: Preload is the degree to which the heart fibers are stretched just prior to contraction.
Rationale 4: Afterload is the pressure in the aorta that must be overcome for blood to be ejected from the left side of the heart.
Global Rationale: The ability to increase the strength of contraction is called a positive inotropic effect. Negative chronotropiceffect would be a reduction of the rate or number of contractions. Preload is the degree to which the heart fibers are stretched just prior to contraction. Afterload is the pressure in the aorta that must be overcome for blood to be ejected from the left side of the heart.
You might also like to view...
The nurse giving tips to parents of a child in the Pavlik harness would suggest that to prevent chafing they should:
a. Use powder in the diaper area b. Dress the baby in a T-shirt and long socks c. Take the harness off every 2 hours d. Use lanolin-based ointment on the legs
A nurse is caring for a client diagnosed with borderline personality disorder. The nurse has instructed the client about using the communication triad. The nurse determines that the client has understood this technique when he states which of the followin
A) "I should start by stating my feelings as an 'I' statement." B) "Maybe I should start by describing the situation that has me upset." C) "I should first tell the other person what I'd like to be different about the situation." D) "I should begin by telling the other person what has triggered my emotion."
Write a conversion factor for converting tablespoons to ounces using proportions and ratios: ________. (Use appropriate abbreviations.)
Fill in the blank(s) with the appropriate word(s).
Which of the following examples of documentation best describes the data?
A. "Small amount of clear yellow urine voided." B. "Voided 220 mL clear yellow urine." C. "A small amount of urine voided into absorbent pad." D. "Patient incontinent of urine."