Which statement will the nurse use to explain why serum lactate is elevated in a patient with sepsis? It is caused by:
1. Increased systemic inflammation
2. The endogenous by-products of bacterial contamination
3. Anaerobic cellular metabolism
4. Greatly accelerated coagulation
3
Rationale 1: This is not related to the elevation of serum lactate in sepsis.
Rationale 2: This is not related to the elevation of serum lactate in sepsis.
Rationale 3: Lactic acid is produced as a by-product of anaerobic cellular metabolism.
Rationale 4: This is not related to the elevation of serum lactate in sepsis.
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When compared with a drug having a therapeutic index of 20, a drug with a therapeutic index of 2 would be considered which of the following with regard to the margin of safety?
A. no different B. less safe C. safer D. less potent
During the preoperational period the nurse recognizes that children
a. ask numerous questions to clarify a message. b. can process auditory information quickly. c. can clearly distinguish between fantasy and reality. d. misunderstand messages quite easily.
Which physical assessment technique would be used to determine AP:lateral ratio?
A) Inspection B) Palpation C) Percussion D) Auscultation
In research, the probability that any data score will be within a certain range of a mean value is calculated based on the theory of
a. frequency. b. inference. c. levels of significance. d. the normal curve.