Nursing Elites

1. A client asks a nurse working in a dental office what type of drug the dentist uses to provide anesthesia during the extraction of the client's wisdom teeth. The dentist uses an anesthetic gas, also known as laughing gas. This agent is:

• A. nitrous oxide.
• B. nitrogen.
• C. nitric oxide.
• D. nitrogen dioxide.

Correct answer: A

Rationale: The correct answer is nitrous oxide. Nitrous oxide is commonly known as laughing gas and is used as an anesthetic gas for procedures like dental extractions. It produces analgesia and mild euphoria without loss of consciousness. Nitrogen is a nonmetallic element found in air, while nitric oxide is a vasodilator produced from L-arginine. Nitrogen dioxide is a poisonous gas found in smog and exhaust fumes and is not used for anesthesia.

2. When teaching a patient with COPD pulmonary exercises, what should be done?

• A. Teach pursed-lip breathing techniques.
• B. Encourage repetitive heavy lifting exercises to increase strength.
• C. Limit exercises due to respiratory acidosis.
• D. Take breaks every 10-20 minutes during exercises.

Correct answer: A

Rationale: The correct answer is to teach pursed-lip breathing techniques. Pursed-lip breathing helps to decrease the volume of air expelled by keeping the airways open longer, making it easier for patients with COPD to breathe out. Encouraging heavy lifting exercises (Choice B) is not suitable for patients with COPD as it can lead to increased shortness of breath. Limiting exercises due to respiratory acidosis (Choice C) is not correct; instead, exercises should be tailored to the patient's tolerance. Taking breaks every 10-20 minutes (Choice D) is not specific to the management of COPD pulmonary exercises.

3. When teaching about preventable diseases, the importance of getting the following vaccines should be emphasized:

• A. human papillomavirus, genital herpes, measles.
• B. pneumonia, HIV, mumps.
• C. syphilis, gonorrhea, pneumonia.
• D. polio, pertussis, measles

Correct answer: D

Rationale: Vaccines are crucial in preventing communicable diseases. Smallpox has been eradicated globally, so its vaccine is no longer used. Polio, pertussis, and measles are diseases that are controlled by routine childhood immunization. While smallpox has been eradicated, these diseases still exist, making it essential for children to be vaccinated against them. Choices A, B, and C include diseases that are not prevented by vaccination or are not related to routine immunizations, making them incorrect choices.

4. Nursing care for a client undergoing chemotherapy includes assessment for signs of bone marrow depression. Which finding accounts for some of the symptoms related to bone marrow depression?

• A. erythrocytosis
• B. leukocytosis
• C. polycythemia
• D. thrombocytopenia

Correct answer: D

Rationale: Thrombocytopenia is an abnormal decrease in the number of platelets, which results in bleeding tendencies. During chemotherapy, bone marrow depression can lead to a reduction in platelet production, causing thrombocytopenia. Erythrocytosis is an abnormal increase in red blood cells, leukocytosis is an increase in white blood cells, and polycythemia is an excess of red blood cells, which is synonymous with erythrocytosis. In the context of chemotherapy, the focus is on the decrease in red and white blood cells, making thrombocytopenia the most relevant finding.

5. A patient has been admitted to the hospital with an L4-5 HNP diagnosis. After 24 hours, the patient is able to ambulate with assistance and has reduced muscle spasms. Which of the following medications was the most beneficial in changing the patient's mobility status?

• A. Mivacron
• B. Atropine
• C. Bethanechol
• D. Flexeril

Correct answer: D

Rationale: The correct answer is Flexeril. Flexeril is a muscle relaxant commonly used to treat acute muscle pain and spasms. In this scenario, the patient experiencing reduced muscle spasms and improved mobility after taking Flexeril indicates its effectiveness. Choice A, Mivacron, is a neuromuscular blocking agent that is not typically used for muscle spasms or pain relief. Choice B, Atropine, is a medication used to treat certain types of nerve agent and pesticide poisonings, not muscle spasms. Choice C, Bethanechol, is a medication that stimulates bladder contractions and is not indicated for muscle spasms or mobility improvement.

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