D446 Adult Health II - Set 2 - Part 2

Correct Answer: Calcium gluconate IV

Calcium gluconate provides immediate cardiac membrane stabilization against hyperkalemia's effects, protecting the heart while other treatments lower potassium levels.
Option a is incorrect because magnesium sulfate would worsen the situation if hyperkalemia is present; it's used for hypomagnesemia or pre-eclampsia.
Option c is incorrect because while bicarbonate can shift potassium intracellularly, calcium provides faster cardiac protection against dangerous arrhythmias.
Option d is incorrect because adding potassium would be dangerous with peaked T waves indicating hyperkalemia; this would worsen cardiac toxicity.

Correct Answer: Silent chest occurring

Silent chest indicates severe airway obstruction preventing air movement for wheezing, signaling impending respiratory failure requiring mechanical ventilation preparation immediately.
Option a is incorrect because loud wheezing indicates air movement through narrowed airways; absence of wheezing is more concerning in asthma.
Option c is incorrect because productive cough suggests mucus clearance ability; silent chest with no air movement is life-threatening.
Option d is incorrect because accessory muscle use indicates increased work of breathing but not imminent failure like silent chest indicates.

Correct Answer: Intermittent claudication occurring

Intermittent claudication results from inadequate arterial blood flow during exercise causing ischemic muscle pain that resolves when oxygen demand decreases with rest.
Option a is incorrect because venous insufficiency causes constant aching and swelling, not exercise-induced pain relieved by rest characteristic of PAD.
Option c is incorrect because acute arterial occlusion causes sudden, severe, constant pain with other signs like pulselessness, not intermittent symptoms.
Option d is incorrect because chronic venous stasis causes edema, skin changes, and aching, not the exercise-induced pain pattern of claudication.

Correct Answer: Continue insulin always

Type one diabetics must continue insulin during illness as stress hormones raise glucose and absence of insulin causes dangerous ketoacidosis development.
Option a is incorrect because stopping insulin in type one diabetes during illness would cause life-threatening DKA from absolute insulin deficiency.
Option c is incorrect because while maintaining nutrition is important, continuing insulin is the critical factor preventing ketoacidosis during illness.
Option d is incorrect because fluid restriction would worsen dehydration common in illness; adequate hydration helps prevent DKA complications.

Correct Answer: Postural hypotension occurring

Combined diuretic and ACE inhibitor therapy significantly reduces blood pressure and volume, causing dangerous orthostatic hypotension and fall risk requiring careful monitoring.
Option a is incorrect because while ACE inhibitor cough is annoying, it's not dangerous like severe hypotension causing falls and injury.
Option c is incorrect because these medications should reduce edema; worsening would indicate treatment failure, not an adverse effect.
Option d is incorrect because neither furosemide nor lisinopril typically causes bradycardia; they're more likely to cause tachycardia from volume depletion.

Correct Answer: Anticholinesterase medication given

Anticholinesterase drugs like neostigmine increase acetylcholine at neuromuscular junctions, rapidly improving muscle strength during myasthenic crisis within minutes of administration.
Option a is incorrect because dopamine agonists treat Parkinson's disease affecting dopamine, not the acetylcholine deficiency in myasthenia gravis.
Option c is incorrect because muscle relaxants would worsen myasthenia gravis by further impairing already compromised neuromuscular transmission causing weakness.
Option d is incorrect because while steroids help long-term, they work slowly and may initially worsen symptoms before improvement occurs.

Correct Answer: Ammonia level increased

Elevated ammonia crosses the blood-brain barrier causing hepatic encephalopathy with asterixis and confusion, directly correlating with neurological symptom severity.
Option a is incorrect because elevated bilirubin causes jaundice and itching but doesn't directly cause the neurological symptoms of encephalopathy.
Option c is incorrect because low albumin causes edema and ascites through oncotic pressure changes, not neurological symptoms like asterixis.
Option d is incorrect because prolonged INR indicates coagulopathy and bleeding risk but doesn't cause the mental status changes seen.

Correct Answer: Catheter position shifted

Catheter malposition or migration commonly causes slow drainage by blocking flow, requiring repositioning maneuvers or medical evaluation for optimal drainage.
Option a is incorrect because peritonitis causes cloudy drainage and pain but doesn't typically affect drainage speed unless fibrin clots form.
Option c is incorrect because allergic reactions to dialysate cause systemic symptoms like rash or breathing problems, not drainage issues.
Option d is incorrect because patient hydration status doesn't affect how quickly dialysate drains from the peritoneal cavity through catheter.

Correct Answer: Hypothyroidism developing eventually

Radioactive iodine destroys thyroid tissue, commonly resulting in hypothyroidism requiring lifelong thyroid hormone replacement therapy after successful hyperthyroidism treatment.
Option a is incorrect because while RAI treats hyperthyroidism effectively, it typically causes hypothyroidism requiring ongoing medication, not complete cure.
Option c is incorrect because adequate RAI dosing permanently destroys enough thyroid tissue to prevent hyperthyroidism recurrence in most patients.
Option d is incorrect because therapeutic RAI doses for Graves' disease don't significantly increase cancer risk according to current evidence.

Correct Answer: Reduces pancreatic stimulation

Oral intake stimulates pancreatic enzyme secretion, worsening inflammation and autodigestion; NPO status allows the pancreas to rest and recover.
Option a is incorrect because while vomiting may occur, the primary reason for NPO is reducing pancreatic stimulation, not preventing emesis.
Option c is incorrect because bowel rest isn't the goal; the pancreas specifically needs rest from digestive enzyme production stimulation.
Option d is incorrect because aspiration risk isn't the primary concern; reducing pancreatic stimulation to allow healing is the rationale.

Correct Answer: Avoid dairy products

Dairy products contain high phosphorus levels that failing kidneys cannot excrete, making dairy restriction essential for managing hyperphosphatemia in CKD.
Option a is incorrect because fruits are generally low in phosphorus; they're restricted for potassium content, not phosphorus management.
Option c is incorrect because most vegetables are low in phosphorus; the concern is potassium in certain vegetables, not phosphorus.
Option d is incorrect because while whole grains contain phosphorus, dairy products are the most concentrated source requiring primary restriction.

Correct Answer: Neurological symptoms developing

Disequilibrium syndrome causes headache, nausea, confusion, and possible seizures from cerebral edema due to rapid osmotic shifts during dialysis.
Option a is incorrect because isolated muscle cramps commonly occur from rapid fluid removal but don't indicate the serious disequilibrium syndrome.
Option c is incorrect because hypotension frequently occurs from volume removal during dialysis without indicating dangerous disequilibrium syndrome development.
Option d is incorrect because post-dialysis fatigue is expected from the treatment process; neurological symptoms specifically indicate disequilibrium syndrome.

Correct Answer: Psychological stress exposure

Psychological stress triggers inflammatory cascades that exacerbate psoriasis, making stress management crucial for preventing flares and maintaining disease control.
Option a is incorrect because dietary protein doesn't typically trigger psoriasis flares; stress and infections are more common precipitating factors.
Option c is incorrect because moderate exercise generally benefits psoriasis through stress reduction and overall health improvement effects.
Option d is incorrect because humid conditions often improve psoriasis; cold, dry weather more commonly triggers flares requiring management.

Correct Answer: Widening pulse pressure

Widening pulse pressure with bradycardia indicates Cushing's response to increased intracranial pressure, requiring immediate intervention to prevent brain herniation.
Option a is incorrect because photophobia is common in meningitis from meningeal irritation but doesn't specifically indicate rising intracranial pressure.
Option c is incorrect because neck stiffness indicates meningeal irritation present throughout the infection, not specifically increasing ICP development.
Option d is incorrect because fever continues with infection but doesn't indicate the dangerous complication of increased intracranial pressure.

Correct Answer: Hold next dose

Holding warfarin allows INR to decrease naturally; vitamin K is reserved for significant bleeding or very high INR requiring rapid reversal.
Option a is incorrect because vitamin K is given for major bleeding or dangerously high INR; mild elevations are managed by holding doses.
Option c is incorrect because increasing the dose would dangerously raise an already elevated INR, increasing bleeding risk significantly further.
Option d is incorrect because switching anticoagulants isn't indicated for INR management; appropriate warfarin adjustment addresses the issue effectively.

Correct Answer: Hypocalcemia occurring postoperatively

Parathyroid gland damage during thyroidectomy causes hypocalcemia, manifesting as perioral numbness and tingling requiring immediate calcium replacement to prevent tetany.
Option a is incorrect because thyroid storm causes hyperthermia, tachycardia, and altered mental status, not the paresthesias indicating hypocalcemia.
Option c is incorrect because vocal cord paralysis causes hoarseness and breathing difficulty, not the sensory symptoms of hypocalcemia described.
Option d is incorrect because hematoma formation causes neck swelling and potential airway obstruction, not the neurological symptoms of hypocalcemia.

Correct Answer: Semi-Fowler's position upright

Semi-Fowler's position allows fluid to accumulate in lower abdomen for easier access while keeping organs away from puncture site, reducing perforation risk.
Option a is incorrect because supine position doesn't optimize fluid collection location and may increase risk of organ puncture during procedure.
Option c is incorrect because Trendelenburg would move fluid superiorly away from typical puncture sites, making the procedure more difficult.
Option d is incorrect because lateral positioning doesn't provide optimal access to accumulated ascites fluid for safe drainage procedure.

Correct Answer: Clopidogrel therapy initiated

Clopidogrel provides antiplatelet effects through a different mechanism than aspirin, making it safe for patients with aspirin allergy requiring cardiovascular protection.
Option a is incorrect because ibuprofen is also an NSAID with potential cross-reactivity in aspirin-allergic patients and less cardiovascular benefit.
Option c is incorrect because acetaminophen has no antiplatelet activity and cannot substitute for aspirin's cardiovascular protective effects needed.
Option d is incorrect because warfarin is an anticoagulant with different indications, risks, and monitoring requirements than antiplatelet therapy.

Correct Answer: Pad rough edges

Padding rough cast edges prevents skin breakdown and pressure sores while maintaining cast integrity, reducing complications without compromising immobilization effectiveness.
Option a is incorrect because while keeping casts dry is important, some waterproof casts exist; padding edges prevents skin injury regardless.
Option c is incorrect because inserting objects to scratch can damage skin, increase infection risk, and compromise cast positioning effectiveness.
Option d is incorrect because applying heat can cause burns under the cast and doesn't address the mechanical irritation from edges.

Correct Answer: Carbon dioxide retention

COPD patients rely on hypoxic drive; excessive oxygen suppresses breathing stimulus causing CO2 retention, potentially leading to respiratory failure.
Option a is incorrect because oxygen toxicity requires very high concentrations over extended periods, not the moderate increases patients might attempt.
Option c is incorrect because fire risk relates to oxygen presence near flames, not flow rate changes affecting physiological responses.
Option d is incorrect because equipment can handle various flow rates; the danger is physiological CO2 retention, not mechanical issues.