Nokea
Level C personal protective equipment has been deemed necessary in the response to an unknown substance. The nurse is aware that the equipment will include what?
- A. A self-contained breathing apparatus
- B. A vapor-tight, chemical-resistant suit
- C. A uniform only
- D. An air-purified respirator
Correct Answer: D
Rationale: Level C PPE includes an air-purified respirator, chemical-resistant coverall, gloves, and boots, balancing respiratory and skin protection for less hazardous substances.
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A patient is being treated in the ED following a terrorist attack. The patient is experiencing visual disturbances, nausea, vomiting, and behavioral changes. The nurse suspects this patient has been exposed to what chemical agent?
- A. Nerve agent
- B. Pulmonary agent
- C. Vesicant
- D. Blood agent
Correct Answer: A
Rationale: Nerve agents cause neurological symptoms like visual disturbances, nausea, and behavioral changes due to acetylcholinesterase inhibition.
A patient has been exposed to a nerve agent in a biochemical terrorist attack. This type of agent bonds with acetylcholinesterase, so that acetylcholine is not inactivated. What is the pathologic effect of this type of agent?
- A. Hyperstimulation of the nerve endings
- B. Temporary deactivation of the nerve endings
- C. Binding of the nerve endings
- D. Destruction of the nerve endings
Correct Answer: A
Rationale: Nerve agents cause continuous nerve hyperstimulation by preventing acetylcholine breakdown. Deactivation, binding, or destruction do not occur.
There has been a radiation-based terrorist attack and a patient is experiencing vomiting, diarrhea, and shock after the attack. How will the patients likelihood of survival be characterized?
- A. Probable
- B. Possible
- C. Improbable
- D. Extended
Correct Answer: C
Rationale: Symptoms like vomiting, diarrhea, and shock indicate high radiation exposure (>800 rads), making survival improbable due to severe systemic damage.
The ED staff has been notified of the imminent arrival of a patient who has been exposed to chlorine. The nurse should anticipate the need to address what nursing diagnosis?
- A. Impaired gas exchange
- B. Decreased cardiac output
- C. Chronic pain
- D. Excess fluid volume
Correct Answer: A
Rationale: Chlorine, a pulmonary agent, disrupts alveolar-capillary oxygen transport, causing impaired gas exchange. Other diagnoses are secondary or unlikely.
A hospitals emergency operations plan has been enacted following an industrial accident. While one nurse performs the initial triage, what should other emergency medical services personnel do?
- A. Perform life-saving measures.
- B. Classify patients according to acuity.
- C. Provide health promotion education.
- D. Modify the emergency operations plan.
Correct Answer: A
Rationale: EMS personnel focus on life-saving interventions and transport post-triage, prioritizing immediate care over classification, education, or plan modification.