What is the cause of polycythemia in the fetus?
a. Fetal hemoglobin has a greater affinity for oxygen as a result of diphosphoglycerate (DPG).
b. The fetus has a different hemoglobin structure of two ?- and two ?-chains rather than two ?-and two ?-chains.
c. Increased erythropoiesis occurs in response to the hypoxic intrauterine environment.
d. The lungs of the fetus are undeveloped and unable to diffuse oxygen adequately to the pulmonary capillaries
Answer: c. Increased erythropoiesis occurs in response to the hypoxic intrauterine environment.
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The school nurse recognizes that an adolescent comes from a family with limited financial resources. The nurse is developing a nursing care plan to assist the adolescent with his needs. An appropriate nursing diagnosis would be:
1. Altered financial support related to inadequate parental support. 2. Imbalanced nutrition: Less than body requirements related to familial financial difficulties. 3. Knowledge deficit related to sources of financial support. 4. Risk for injury related to imbalanced nutrition.
What intervention should a nurse implement when providing tracheostomy care?
a. Wash and rinse the inner cannula in tap water and then dry it. b. Use a sterile solution of normal saline or other solution to wash the inner cannula and then rinse with sterile water. c. Clean the area around the stoma with tap water and a gentle soap. d. Remove the inner cannula, wash both hands with a bactericidal soap, and then don sterile gloves to clean the inner can-nula.
In evaluating a population-based nursing practice, the nurse asks, "Did we offer service regardless of age, gender, race, ethnicity, health care status, or location?" The nurse asks this question to address which goal?
a. Access c. Cost b. Quality d. Equity
An unlicensed assistive personnel (UAP) reports an older adult's vital signs to nurse as follows: Temperature 97.4°F (oral), BP 165/70, pulse rate 84/min., and respirations 28. Which action should the nurse take?
A. Instruct the UAP to recheck the temperature. B. Request a prescription for an antihypertensive. C. Maintain routine vital signs. D. Request oxygen therapy.