The nurse is instructing a client about the immune system. The client asks how the immune system is able to communicate with the rest of the body. The nurse's reply should be based on the knowledge that:
A) Nitric oxide is the chemical messengers of the immune system.
B) Neurotransmitters are the chemical messengers of the immune system.
C) Cytokines are the chemical messengers of the immune system.
D) Receptor agonists are the chemical messengers of the immune system.
C
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A nurse assesses fetal heart tones at 100 beats/minute. Which action by the nurse takes priority?
A. Administer 100% oxygen. B. Assess the maternal heart rate. C. Notify the primary care provider. D. Turn the woman on her left side.
Percutaneous coronary intervention is contraindicated for patients with lesions in which coronary artery?
a. Right coronary artery b. Left coronary artery c. Circumflex d. Left main coronary artery
Clients with head injuries should be placed in which of these positions?
a. dorsal recumbent c. semi-Fowler's b. prone d. side-lying
A small commuter plane crashed into a shopping mall, injuring approximately 500 people. Which classification of incident should the nurse use when determining the care needed for these victims?
A. Accidental natural disaster B. Multiple-casualty incident C. Intentional human-generated disaster D. Mass-casualty incident