When performing a calculation containing decimals, the answer is rounded when
A. it contains more decimal places than needed.
B. an answer is never rounded.
C. it contains more than three numbers after the decimal point.
D. it contains more than two numbers after the decimal point.
Answer: A
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A nurse is reviewing the immune system before planning an immunocompromised patient's care. How should the nurse characterize the humoral immune response?
A) Specialized cells recognize and ingest cells that are recognized as foreign. B) T lymphocytes are assisted by cytokines to fight infection. C) Lymphocytesare stimulated to become cells that attack microbes directly. D) Antibodies are made by B lymphocytes in response to a specific antigen.
A child is having an anaphylactic response. Place in order the interventions a nurse should perform beginning with the initial (highest priority) intervention and ending with the lowest priority intervention
Use the following format for your Answer: A, B, C, D a. Administer steroids and antihistamines as prescribed. b. Ensure an adequate airway. c. Administer epinephrine as prescribed. d. Administer oxygen. e. Determine the cause of the reaction.
Which is true of the most likely cause of this murmur?
Mr. Chin is an 82-year-old man who comes to your office for a routine check. On examination, you notice a somewhat high-pitched murmur in the second right intercostal space during systole. It does not radiate and the rest of his examination is normal for his age. A) It often decreases carotid upstroke. B) It carries with it increased risk for cardiovascular disease. C) It is usually accompanied by an S3 gallop. D) It is found in 10% of otherwise normal elderly patients.
The nurse is helping the patient to walk. Which of the following actions should the nurse take first?
a. Help the patient to sit at the side of the bed for one or two minutes. b. Support the patient by using a gait belt. c. Assess the patient's activity tolerance, strength, and balance. d. Ask a second nurse to be nearby.