Which of the following are considered the building blocks of the immune system?
A) Red blood cells
B) Macrocytes
C) Macrophages
D) T lymphocytes
Ans: D
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T and B lymphocytes are the building blocks of the immune system, accumulate in lymph nodes along lymphatic vessels, and are exposed to all antigens except those that enter the bloodstream directly.
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A patient is frequently thirsty. To what should the nurse attribute this symptom?
a. Too much sodium and too much water in the body b. Too little sodium and too much water in the body c. Too much sodium and too little water in the body d. Too little sodium and too little water in the body
Characteristics of a good table include what? (Select all that apply.)
a. It supplements and economizes the text. b. It repeats text frequently for added emphasis. c. It has precise titles and headings. d. It does not repeat the text. e. There is creativity in the presentation of data.
Advantages to using the electronic health record (EHR) include that:
a. Hospitals no longer need to store medical records. b. Medical records are complete and easily accessible to health care providers. c. Unit secretaries can still call for "old records.". d. Diagnostic tests are not available for direct visualization.