Atropine sulfate is administered to Sam for what purpose?
To alleviate anxiety
To decrease secretions
To relax muscles
As a short-acting anesthetic
The Correct Answer is B
Atropine sulfate is an anticholinergic agent used in various clinical settings, including preoperative preparation for procedures like electroconvulsive therapy (ECT). Its primary role is to inhibit parasympathetic activity, thereby reducing salivary and bronchial secretions. This minimizes the risk of aspiration and enhances airway safety during anesthesia. It also helps prevent bradycardia by blocking vagal stimulation, which can occur during ECT.
Rationale for correct answer
2. Atropine is administered before ECT to reduce secretions, particularly salivary and respiratory tract fluids. This is crucial for preventing aspiration and maintaining a clear airway during anesthesia and seizure induction. Its anticholinergic properties inhibit muscarinic receptors, decreasing glandular output.
Rationale for incorrect answers
1. Atropine does not have anxiolytic properties. It does not act on GABAergic or serotonergic pathways involved in anxiety modulation. Benzodiazepines or other sedatives are used for anxiety, not anticholinergics.
3. Muscle relaxation during ECT is achieved using agents like succinylcholine, not atropine. Atropine does not affect nicotinic receptors at the neuromuscular junction and thus has no role in skeletal muscle relaxation.
4. Atropine is not an anesthetic. It does not induce unconsciousness or analgesia. Short-acting anesthetics like methohexital or thiopental are used in ECT to induce sedation before seizure induction.
Take Home Points
- Atropine sulfate reduces secretions and prevents vagal-induced bradycardia during ECT.
- It is not used for anxiety relief, muscle relaxation, or anesthesia induction.
- Succinylcholine is the muscle relaxant of choice in ECT procedures.
- Anxiolytics and anesthetics are separate pharmacologic classes from anticholinergics like atropine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Electroconvulsive therapy (ECT) is a medical procedure used to treat severe psychiatric conditions such as treatment-resistant depression. It involves inducing a controlled seizure under general anesthesia and muscle relaxation. Before initiating ECT, it is essential to ensure informed consent, as the procedure carries risks including transient memory loss, confusion, and anesthesia-related complications. Consent must be obtained voluntarily after thorough education about benefits, risks, and alternatives.
Rationale for correct answer
4. The most critical nursing intervention before ECT is verifying that the informed consent form has been signed. This ensures legal and ethical compliance and confirms that the patient understands the procedure, its risks, and benefits. Without consent, the procedure cannot proceed, regardless of clinical urgency.
Rationale for incorrect answers
1. While recording vital signs is important for baseline assessment, it is not the priority intervention. Vital signs are routinely taken before many procedures but do not address the legal and ethical prerequisites of ECT.
2. Having the patient void is a standard pre-procedure step to prevent incontinence during anesthesia, but it is secondary to confirming informed consent. It supports comfort and safety but does not impact the decision to proceed.
3. Succinylcholine is a muscle relaxant administered immediately before ECT to prevent injury during the induced seizure. However, it is given only after consent is confirmed and anesthesia is initiated. Administering it without consent would be a serious violation.
Take Home Points
- Informed consent is the legal and ethical cornerstone of initiating ECT.
- Pre-procedure nursing care includes education, emotional support, and procedural preparation.
- Succinylcholine is used to prevent musculoskeletal injury during ECT-induced seizures.
- Consent must be obtained before any pharmacologic or procedural steps are taken.
Correct Answer is D
Explanation
Electroconvulsive therapy (ECT) is a controlled medical procedure that induces a brief seizure under anesthesia to treat severe psychiatric conditions. It is considered safe and effective when administered properly. The most frequent adverse effects are transient cognitive changes, particularly short-term memory loss and confusion. These effects typically resolve within hours to days post-treatment. Modern ECT uses muscle relaxants and anesthesia to prevent physical injury, and cardiac monitoring minimizes cardiovascular risks. Bilateral electrode placement may increase cognitive side effects but also enhances efficacy.
Rationale for correct answer
4. The most common side effects of ECT are temporary memory loss and confusion, especially immediately after treatment. These cognitive effects are usually short-lived and resolve within hours to days. They result from seizure-induced changes in hippocampal and cortical activity. Confusion is more pronounced in older adults and with bilateral electrode placement.
Rationale for incorrect answers
1. Permanent brain damage and irreversible memory loss are rare and not typical. While retrograde amnesia may occur, especially with bilateral ECT, it is usually limited and improves over time. Modern techniques have significantly reduced these risks.
2. Fractures and dislocations were risks in early ECT before muscle relaxants were used. Today, succinylcholine prevents violent motor activity during seizures, making such injuries extremely rare.
3. Cardiac complications like myocardial infarction or arrest are uncommon. ECT is contraindicated in unstable cardiac conditions, and patients are pre-screened and monitored. When used appropriately, ECT poses minimal cardiovascular risk.
Take Home Points
- Temporary memory loss and confusion are the most common side effects of ECT.
- Modern ECT uses anesthesia and muscle relaxants to prevent physical injury.
- Serious complications like brain damage or cardiac arrest are rare with proper screening.
- Cognitive effects are transient and typically resolve within days post-treatment.
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