The nurse notes that the patient is scratching and has hives 2 hours after receiving a dose of antibiotic medication.
The patient soon starts having difficulty breathing and his blood pressure drops. What is the correct analysis of the patient’s condition?
The patient is experiencing a moderate allergic reaction and should improve shortly.
These symptoms are probably due to food poisoning because very few patients have true allergic responses.
The patient is having an anaphylactic reaction and emergency interventions should be started.
The patient is having a mild reaction that can be treated easily with an antihistamine.
The Correct Answer is C
Rationale for Choice A:
Incorrect. While the patient is experiencing an allergic reaction, it is not moderate. The presence of difficulty breathing and a drop in blood pressure are signs of a severe, life-threatening anaphylactic reaction.
Anaphylaxis is a severe, rapid-onset allergic reaction that can lead to death if not treated promptly. It typically involves multiple body systems, including the skin, respiratory system, cardiovascular system, and gastrointestinal system.
Moderate allergic reactions typically present with localized symptoms such as hives, itching, and redness. They do not typically involve respiratory or cardiovascular compromise.
Rationale for Choice B:
Incorrect. The patient's symptoms are not consistent with food poisoning. Food poisoning typically causes gastrointestinal symptoms such as nausea, vomiting, diarrhea, and abdominal cramps. It does not typically cause hives, difficulty breathing, or a drop in blood pressure.
The timing of the symptoms, occurring 2 hours after receiving an antibiotic, strongly suggests an allergic reaction to the medication.
Rationale for Choice C:
Correct. The patient's symptoms are consistent with anaphylaxis, a severe allergic reaction that requires immediate emergency treatment.
Key features of anaphylaxis include:
Skin involvement (hives, itching, flushing, swelling)
Respiratory distress (difficulty breathing, wheezing, tightness in the chest) Cardiovascular compromise (drop in blood pressure, lightheadedness, fainting) Gastrointestinal symptoms (nausea, vomiting, diarrhea)
Swelling of the tongue or throat
Rationale for Choice D:
Incorrect. The patient's reaction is not mild and cannot be treated with an antihistamine alone. Antihistamines are effective for mild allergic reactions, but they are not sufficient to treat anaphylaxis.
Anaphylaxis requires immediate treatment with epinephrine, which is a life-saving medication that can reverse the effects of the allergic reaction.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
The dorsal gluteal site (also known as the dorsogluteal site) was previously a common injection site, but it's now not recommended due to several significant risks:
Proximity to the sciatic nerve: The sciatic nerve is the largest nerve in the body, and it runs close to the dorsal gluteal site. Accidental injection into or near the nerve can cause severe pain, nerve damage, and potential paralysis.
Difficulty in locating landmarks: The landmarks for the dorsal gluteal site can be difficult to locate accurately, especially in obese patients or those with decreased muscle mass. This increases the risk of injecting into the wrong area.
Risk of injury to blood vessels: The dorsal gluteal site also has a higher risk of injury to blood vessels, as several large vessels run through the area.
Choice B rationale:
The deltoid muscle is located in the upper arm and is a common site for intramuscular injections, but it has limitations for larger volumes:
Small muscle size: The deltoid muscle is relatively small compared to other IM injection sites. It's generally recommended for smaller volumes of medication (up to 1 mL in adults).
Subcutaneous tissue: The deltoid muscle often has a layer of subcutaneous tissue (fat) that can hinder absorption of medication.
Choice C rationale:
The vastus lateralis muscle is the preferred site for intramuscular injections in adults for several reasons:
Large muscle size: It's a large, thick muscle that can accommodate larger volumes of medication (up to 5 mL in adults). Easy to locate landmarks: The landmarks for the vastus lateralis are easy to identify, even in obese patients.
Few major nerves or blood vessels: It has fewer major nerves or blood vessels in the area, reducing the risk of injury. Pain tolerance: It's generally considered to be a less painful injection site than the deltoid or dorsogluteal sites.
Choice D rationale:
The lateral piriformis muscle is not a recognized or recommended site for intramuscular injections. It's a deep muscle located in the buttocks, and injecting into it would be difficult and potentially dangerous due to its proximity to the sciatic nerve and other important structures.
Correct Answer is B
Explanation
Choice A rationale:
A superficial abrasion heals by secondary intention, not primary intention.
In secondary intention healing, the wound is left open to heal from the inside out. This type of healing is typically slower and results in more scar tissue formation.
The absence of active bleeding, drainage, or debris is a positive sign, but it does not guarantee that the wound is healing by primary intention.
Choice C rationale:
The presence of thick yellow slough indicates that the wound is infected and not healing properly. This is a sign of delayed healing, not primary intention healing.
Choice D rationale:
The presence of granulation tissue is a sign of healing, but it does not indicate whether the wound is healing by primary or secondary intention.
Granulation tissue is a type of new tissue that forms during the healing process. It is composed of blood vessels, collagen, and fibroblasts.
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