Which of the following statement regarding antigens and antibodies is INCORRECT?
A. An antigen is a substance that can induce formation of an antibody in a person whose own cells and tissues lack the antigen.
B. An antibody is a globulin made by plasma cells (which are derived from B lymphocytes).
C. Normally our own immune system will not produce antibodies that are directed against antigens present in our own cells and tissues.
D. Most antibodies are produced by either helper T lymphocytes (T4 cells) or suppressor T lymphocytes (T8 cells) when they are stimulated by a foreign antigen.
D
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When assessing the patient with pericardial effusion, the nurse will assess for pulsus paradoxus. Pulsus paradoxus is characterized by:
A) A diastolic blood pressure that is lower during exhalation B) A diastolic blood pressure that is higher during inhalation C) A systolic blood pressure that is higher during exhalation D) A systolic blood pressure that is lower during inhalation
Which assessment finding would the nurse expect in a client with latent tuberculosis?
A) A low-grade morning fever that subsides in the afternoon B) Insidious onset of symptoms C) An abrupt onset of symptoms D) A high fever with night sweats
Which of the following classifications of pharmacologic agents would be appropriate for the treatment of pulmonary edema?
a. Antihyperlipidemics b. Antiemetics c. Bronchoconstrictors d. Diuretics
What enzyme converts alcohol into acetaldehyde?
A. acetic acid B. ethyl alcohol C. alcohol dehydrogenase D. acetaldehyde dehydrogenase