What term is defined as the volume of blood ejected by the heart in 1 minute?
a. Afterload
b. Cardiac cycle
c. Stroke volume
d. Cardiac output
ANS: D
Cardiac output is defined as the volume of blood ejected by the heart in 1 minute. Cardiac output = Heart rate x Stroke volume. Afterload is the resistance against which the ventricles must pump when ejecting blood (ventricular ejection). A cardiac cycle is the sequential contraction and relaxation of both the atria and ventricles. Stroke volume is the amount of blood ejected by the heart in any one contraction.
You might also like to view...
An immunocompromised patient with a diagnosis of candidiasis has failed to respond to conservative therapy and has consequently begun treatment with amphotericin B
The nurse is aware that this drug achieves a therapeutic effect by way of its influence on A) the osmolarity of fungal intracellular fluid. B) protein synthesis of fungal cells. C) the production and maturation of CD4+ T-cells. D) the permeability of fungal cell walls.
A client drinks one-half cup of orange juice, which contains 15 g of carbohydrate. The nurse determines that the client has ingested how many kilocalories?
1. 15 2. 25 3. 60 4. 90
The nurse is teaching a prenatal class about false labor. The nurse should teach clients that false labor most likely will include which of the following? (Select all that apply.)
A. Contractions that do not intensify while walking B. An increase in the intensity and frequency of contractions C. Progressive cervical effacement and dilatation D. Pain in the abdomen that does not radiate E. Increased thin vaginal secretions
The nursing practice model defines intervention as primary, secondary, and tertiary levels of prevention. Which is an example of primary prevention?
A) Tine test for tuberculosis B) Denver Developmental Screening Test for developmental delays C) Community blood pressure screenings for elderly clients D) Weekly adult exercise and fitness sessions