The nurse uses a diagram to demonstrate how in dehydration the water is drawn into the plasma from the cells by which process?
a. Distillation
b. Diffusion
c. Filtration
d. Osmosis
D
The process of osmosis accomplishes the movement of water from the cells into the plasma, causing dehydration.
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An elderly patient is being cared for in the CCU after a surgical procedure. The nurse finds snoring, frequent awakening, nocturnal sweating, and awakening with anxiety
The family states that the patient had these behaviors at home before the surgery. What is the most appropriate nursing action? A) Continue routine assessment, as these behaviors indicate normal aging changes. B) Make a referral for sleep disorder evaluation, as these behaviors are abnormal. C) Tell the family to discuss these behaviors with the physician after discharge from the CCU. D) Increase bedtime sedation to ensure that the patient gets adequate rest.
The nurse is performing a nutritional assessment for an older adult who takes no medications. Which of the following laboratory values is of most concern to the nurse?
1. Albumin 4.2 gm/L 2. Prealbumin 322 mg/L 3. Transferrin 400 mg/dL 4. Cholesterol 114 mg/dL
When planning care for a PACU or recovery room patient, how often should the nurse plan to assess the patient?
a. Every 5 minutes b. Every 15 minutes c. Every 30 minutes d. Hourly
A nurse explains to a student nurse that pharmacogenetics is a relatively new area within pharmacology. Which statement best describes the potential of this new area?
A. To customize drugs and prevent idiosyncratic responses B. To reduce the overall number of drugs and their associated adverse effects C. To reduce medication errors and provide optimal drug choices D. To provide cost-effective pharmacotherapy and higher drug efficacy