What is the most common causative agent of bacterial endocarditis?
a. Staphylococcus albus
b. Streptococcus hemolyticus
c. Staphylococcus albicans
d. Streptococcus viridans
D
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A S. albus is not a common causative agent.
B Streptococcus hemolyticus is not a common causative agent.
C S. albicans is not a common causative agent.
D S. viridans and S. aureus are the most common causative agents in bacterial
(infective) endocarditis.
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The nurse teaches a client who is newly diagnosed with coronary artery disease. Which instruction does the nurse include to minimize complications of this disease?
a. "Rest is the best medicine at this time. Do not start an exercise program." b. "You are a man; therefore there is nothing you can do to minimize your risks." c. "You should talk to your provider about medications to help you quit smoking." d. "Decreasing the carbohydrates in your diet will help you lose weight."
The nurse is directing an unlicensed assistive personnel (UAP) to take maternal vital signs between contractions. Which statement is the best rationale for assessing maternal vital signs between contractions?
a. Vital signs taken during contractions are not accurate. b. During a contraction, assessing fetal heart rate is the priority. c. Maternal blood flow to the heart is reduced during contractions. d. Maternal circulating blood volume increases temporarily during contractions.
A patient is being discharged on enoxaparin (Lovenox). Which statement does the nurse include in the discharge teaching plan?
a. "An advantage of this drug is that labs do not need to be drawn to guide therapy." b. "Follow-up lab work must be drawn every 2 to 6 months." c. "Enoxaparin is given intramuscularly twice a day." d. "The purpose of this drug is to dissolve clots."
Predictor variables are entered into a regression equation in blocks controlled by the researcher in which of the following?
a. Simultaneous regression b. Standard regression c. Hierarchical regression d. Stepwise regression