Question

A client is prescribed clonidine for hypertension. What adverse effects are most likely to occur with this medication?

Answer 1

Correct Answers:

Dry mouth and fatigue

Rationale :

🟣 Clonidine is a central alpha-2 adrenergic agonist that works by decreasing sympathetic outflow from the brain, leading to reduced heart rate and blood pressure.

🟣 Because it suppresses sympathetic nervous system activity, it commonly causes sedation and fatigue due to decreased central stimulation.

🟣 One of the most frequent side effects is dry mouth, which occurs because clonidine reduces salivary gland secretion through its central action.

🟣 The medication may also cause bradycardia and hypotension, further contributing to feelings of tiredness and weakness.

🟣 These effects are expected pharmacologic consequences of clonidine’s mechanism and are commonly seen in patients treated for hypertension.

Blurry vision and eye pain

🟣 These symptoms are more consistent with acute angle-closure glaucoma, not central alpha-2 agonist therapy.

🟣 Clonidine does not typically increase intraocular pressure or cause acute ophthalmic pain.

Chest pain and wheezing

🟣 These findings suggest cardiac ischemia or bronchospasm, which are not common adverse effects of clonidine.

🟣 Clonidine reduces sympathetic tone rather than triggering bronchoconstriction.

Polyuria and polydipsia

🟣 These are classic manifestations of diabetes mellitus or diabetes insipidus.

🟣 Clonidine does not cause excessive urination or thirst as a primary adverse effect.

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Answer 2

Correct Answers:

Atropine

Rationale :

🔵 Organophosphate poisoning causes irreversible inhibition of acetylcholinesterase, leading to excessive accumulation of acetylcholine at muscarinic and nicotinic receptors.

🔵 The symptoms described — tearing, drooling, abdominal cramping — are classic signs of cholinergic toxicity (SLUDGE syndrome: Salivation, Lacrimation, Urination, Diarrhea, GI distress, Emesis).

🔵 Atropine is a muscarinic antagonist that blocks acetylcholine at muscarinic receptors, reversing bronchospasm, bradycardia, and excessive secretions.

🔵 It rapidly reduces life-threatening airway secretions and bronchoconstriction, making it the first-line antidote.

🔵 Prompt administration is critical to prevent respiratory failure from overwhelming parasympathetic stimulation.

Acetylcysteine

🔵 This medication is used for acetaminophen toxicity, not cholinergic poisoning.

🔵 It replenishes glutathione stores and has no effect on acetylcholine excess.

Epinephrine

🔵 Epinephrine is used in anaphylaxis and cardiac arrest, not for cholinesterase inhibition.

🔵 It does not directly counteract muscarinic overstimulation.

Naloxone

🔵 Naloxone is an opioid antagonist used for opioid overdose.

🔵 Organophosphate poisoning is unrelated to opioid receptor activation.

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Answer 3

Correct Answers:

Heart palpitations

Rationale :

🟡 Albuterol is a beta-2 adrenergic agonist primarily used to cause bronchodilation in asthma.

🟡 At high doses, it can lose selectivity and stimulate beta-1 receptors in the heart.

🟡 This leads to tachycardia and heart palpitations, which are common adverse effects during aggressive asthma management.

🟡 Beta stimulation also increases myocardial oxygen demand, which may cause feelings of pounding heartbeat.

🟡 These cardiovascular effects are expected, especially when high or repeated doses are administered.

Watery eyes

🟡 This is more associated with allergic reactions or parasympathetic stimulation, not beta-agonist therapy.

🟡 Albuterol does not typically increase lacrimal gland secretion.

Pupil constriction

🟡 Pupil constriction (miosis) occurs with parasympathetic stimulation or opioid toxicity.

🟡 Beta-agonists do not cause constricted pupils.

Hypersalivation

🟡 Excess salivation is a cholinergic effect, not a beta-adrenergic response.

🟡 Albuterol activates sympathetic receptors rather than muscarinic receptors.

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Answer 4

Correct Answers:

Paget's disease

Rationale :

🔶 Calcitonin inhibits osteoclast activity, reducing excessive bone breakdown.

🔶 Paget’s disease is characterized by increased and disorganized bone remodeling.

🔶 This causes bone pain, deformities, and fracture risk due to structurally weak bone.

🔶 Intranasal calcitonin helps decrease abnormal bone turnover and stabilize skeletal integrity.

🔶 It directly counteracts the excessive osteoclastic activity seen in Paget’s disease.

Hashimoto's disease

🔶 This is an autoimmune thyroid disorder affecting thyroid hormone production.

🔶 Calcitonin does not regulate thyroid hormone levels.

Addison's disease

🔶 Addison’s disease involves adrenal hormone deficiency.

🔶 Treatment requires corticosteroid replacement, not calcitonin.

Huntington's disease

🔶 Huntington’s is a neurodegenerative genetic disorder.

🔶 Calcitonin has no neurologic therapeutic role.

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Answer 5

Correct Answers:

betamethasone cream
tazarotene cream
calcipotriene cream

Rationale :

🔷 Betamethasone cream

🔷 Psoriasis is an autoimmune inflammatory skin disorder characterized by rapid keratinocyte proliferation.

🔷 Topical corticosteroids like betamethasone reduce inflammation, erythema, and scaling.

🔷 They suppress immune-mediated cytokine activity in affected skin.

🔷 Corticosteroids are considered first-line therapy for localized plaque psoriasis.

🔷 Tazarotene cream

🔷 Tazarotene is a topical retinoid that normalizes abnormal keratinocyte differentiation.

🔷 It slows excessive epidermal cell turnover seen in psoriasis.

🔷 Retinoids help reduce plaque thickness and scaling.

🔷 It is often combined with corticosteroids for enhanced control.

🔷 Calcipotriene cream

🔷 Calcipotriene is a vitamin D analog that regulates keratinocyte proliferation and differentiation.

🔷 It helps slow excessive skin cell production in psoriatic plaques.

🔷 This medication is commonly used for chronic plaque psoriasis.

🔷 It improves scaling and plaque thickness over time.

Oral penicillin

🔷 Penicillin treats bacterial infections, not autoimmune skin disorders.

🔷 Psoriasis is not caused by bacteria requiring antibiotic therapy.

Metronidazole cream

🔷 Metronidazole is commonly used for rosacea, not psoriasis.

🔷 It does not target the inflammatory pathways involved in psoriatic plaque formation.

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Answer 6

Correct Answers:

Hyperglycemia

Rationale :

❌ Beta-blockers reduce heart rate and blood pressure by blocking beta-adrenergic receptors, particularly beta-1 receptors in the heart.

❌ Common adverse effects include dizziness, fatigue, bradycardia, and hypotension due to decreased cardiac output.

❌ Beta-blockers may actually mask symptoms of hypoglycemia and can sometimes contribute to low blood glucose rather than hyperglycemia.

❌ They reduce sympathetic stimulation, which decreases gluconeogenesis and glycogenolysis.

❌ Therefore, hyperglycemia is not considered a typical adverse effect of beta-blocker therapy.

❌ Dizziness

❌ This is a common adverse effect due to decreased cardiac output and reduced cerebral perfusion.

❌ It frequently occurs when therapy is initiated or doses are increased.

❌ Hypotension

❌ Hypotension is an expected pharmacologic effect of beta-blockers.

❌ Excessive blood pressure lowering can produce symptomatic hypotension.

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Answer 7

Correct Answers:

Prazosin

Rationale :

🔵 Raynaud’s disease is caused by vasospasm of small peripheral arteries, leading to reduced blood flow to the fingers and toes.

🔵 The condition is triggered by cold or stress and produces color changes (white → blue → red) due to ischemia and reperfusion.

🔵 Prazosin is an alpha-1 adrenergic blocker that promotes peripheral vasodilation.

🔵 By blocking alpha-1 receptors, it reduces vasoconstriction and improves blood flow to affected digits.

🔵 Vasodilation directly counteracts the pathophysiology of Raynaud’s, making alpha blockers an appropriate pharmacologic choice.

Metoprolol

🔵 This is a beta-blocker, which can worsen peripheral vasoconstriction.

🔵 Beta-blockers may aggravate Raynaud’s symptoms.

Phenylephrine

🔵 Phenylephrine is an alpha-1 agonist, causing vasoconstriction.

🔵 It would worsen digital ischemia.

Atropine

🔵 Atropine is an anticholinergic medication.

🔵 It does not improve peripheral vasospasm.

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Answer 8

Correct Answers:

A suspension of clotrimazole

Rationale :

🟣 Broad-spectrum antibiotics disrupt normal oral flora, allowing Candida overgrowth.

🟣 Oral candidiasis presents with white plaques on tongue and mucosa that may bleed when scraped.

🟣 Clotrimazole is an antifungal that disrupts fungal cell membrane integrity.

🟣 It is commonly administered as an oral troche or suspension for localized fungal infections.

🟣 Antifungal therapy restores balance and eliminates fungal proliferation.

A suspension of lindane

🟣 Lindane is used for scabies and lice.

🟣 It has no antifungal activity.

A suspension of acyclovir

🟣 Acyclovir treats herpes viral infections.

🟣 Oral candidiasis is fungal, not viral.

A suspension of clindamycin

🟣 Clindamycin is an antibiotic.

🟣 Additional antibiotics may worsen fungal overgrowth.

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Answer 9

Correct Answers:

ketoconazole shampoo

Rationale :

🟢 Seborrheic dermatitis is linked to overgrowth of Malassezia yeast on the scalp.

🟢 It presents with flaky scales, erythema, and persistent dandruff.

🟢 Ketoconazole is an antifungal that reduces fungal proliferation on the scalp.

🟢 By decreasing yeast colonization, inflammation and scaling improve.

🟢 Antifungal shampoos are first-line therapy for moderate to severe dandruff.

Mupirocin shampoo

🟢 Mupirocin treats bacterial skin infections.

🟢 Dandruff is not bacterial in origin.

Oral cephalexin

🟢 Cephalexin is a systemic antibiotic.

🟢 Seborrheic dermatitis is not a systemic bacterial infection.

Oral betamethasone

🟢 Systemic corticosteroids are not first-line for dandruff.

🟢 Long-term steroid use carries significant systemic risks.

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Answer 10

Correct Answers:

Hypovolemic shock

Rationale :

🔴 Norepinephrine is a potent alpha-1 adrenergic agonist that produces intense peripheral vasoconstriction, which increases systemic vascular resistance.

🔴 In hypovolemic shock, the primary problem is severe hypotension and inadequate tissue perfusion due to volume loss.

🔴 By stimulating alpha-1 receptors, norepinephrine raises blood pressure and mean arterial pressure (MAP), restoring perfusion to vital organs.

🔴 It also has mild beta-1 activity, which supports cardiac contractility and helps maintain cardiac output during shock states.

🔴 Vasopressors like norepinephrine are standard therapy in critical care when fluids alone do not correct life-threatening hypotension.

❌ Ventricular tachycardia

❌ Ventricular tachycardia is treated with antiarrhythmics such as amiodarone or electrical cardioversion.

❌ Norepinephrine can actually increase heart rate and worsen tachyarrhythmias.

❌ Hypertensive emergency

❌ Hypertensive emergencies require medications that lower blood pressure, such as labetalol or nitroprusside.

❌ Norepinephrine raises blood pressure and would worsen the condition.

❌ Migraine headache

❌ Migraines are treated with triptans, NSAIDs, or CGRP inhibitors.

❌ Norepinephrine has no therapeutic role in migraine management

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Custom RN Pharmacology-2026 Spring

No.

1 :
A client is prescribed clonidine for hypertension. What adverse effects are most likely to occur with this medication?

2 :
A farmer is brought to the emergency room following a large exposure to an organophosphate insecticide. The farmer is tearing, drooling and complaining of intense abdominal cramping. Which medication should the healthcare team anticipate being administered?

3 :
A client is being administered high doses of albuterol for a severe asthma attack. What adverse effect is most likely to occur as a result of this treatment?

4 :
A client is receiving intranasal calcitonin. Which condition is most likely being treated?

5 :
A client is being seen for silvery thick plaques on the extensor surfaces of the elbows and knees. The client is diagnosed with new onset psoriasis. Which of the following are potential treatments for this condition? (Select all that apply)

6 :
A client is prescribed a beta-blocker for hypertension. Which clinical manifestation is not considered an adverse effect of beta-blockers?

7 :
A client with painful discoloration of the digits is diagnosed with Raynaud's disease. Which medication is most likely to be prescribed for this condition?

8 :
Following the use of an antibiotic, a client develops white patches on the tongue and oral mucosa. The client is diagnosed with oral candidiasis. Which of the following would be an expected treatment for this condition?

9 :
A client has been struggling with seborrheic dermatitis with significant dandruff. The client presents to his general practitioner for treatment. Which treatment option would be the most appropriate for this client?

10 :
Norepinephrine is being administered to a hospitalized client. What is the most likely indication for norepinephrine?

❌ Ventricular tachycardia

❌ Hypertensive emergency

❌ Migraine headache

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Custom RN Pharmacology-2026 Spring

No.

1 : A client is prescribed clonidine for hypertension. What adverse effects are most likely to occur with this medication?

2 : A farmer is brought to the emergency room following a large exposure to an organophosphate insecticide. The farmer is tearing, drooling and complaining of intense abdominal cramping. Which medication should the healthcare team anticipate being administered?

3 : A client is being administered high doses of albuterol for a severe asthma attack. What adverse effect is most likely to occur as a result of this treatment?

4 : A client is receiving intranasal calcitonin. Which condition is most likely being treated?

5 : A client is being seen for silvery thick plaques on the extensor surfaces of the elbows and knees. The client is diagnosed with new onset psoriasis. Which of the following are potential treatments for this condition? (Select all that apply)

6 : A client is prescribed a beta-blocker for hypertension. Which clinical manifestation is not considered an adverse effect of beta-blockers?

7 : A client with painful discoloration of the digits is diagnosed with Raynaud's disease. Which medication is most likely to be prescribed for this condition?

8 : Following the use of an antibiotic, a client develops white patches on the tongue and oral mucosa. The client is diagnosed with oral candidiasis. Which of the following would be an expected treatment for this condition?

9 : A client has been struggling with seborrheic dermatitis with significant dandruff. The client presents to his general practitioner for treatment. Which treatment option would be the most appropriate for this client?

10 : Norepinephrine is being administered to a hospitalized client. What is the most likely indication for norepinephrine?

❌ Ventricular tachycardia

❌ Hypertensive emergency

❌ Migraine headache

1 :
A client is prescribed clonidine for hypertension. What adverse effects are most likely to occur with this medication?

2 :
A farmer is brought to the emergency room following a large exposure to an organophosphate insecticide. The farmer is tearing, drooling and complaining of intense abdominal cramping. Which medication should the healthcare team anticipate being administered?

3 :
A client is being administered high doses of albuterol for a severe asthma attack. What adverse effect is most likely to occur as a result of this treatment?

4 :
A client is receiving intranasal calcitonin. Which condition is most likely being treated?

5 :
A client is being seen for silvery thick plaques on the extensor surfaces of the elbows and knees. The client is diagnosed with new onset psoriasis. Which of the following are potential treatments for this condition? (Select all that apply)

6 :
A client is prescribed a beta-blocker for hypertension. Which clinical manifestation is not considered an adverse effect of beta-blockers?

7 :
A client with painful discoloration of the digits is diagnosed with Raynaud's disease. Which medication is most likely to be prescribed for this condition?

8 :
Following the use of an antibiotic, a client develops white patches on the tongue and oral mucosa. The client is diagnosed with oral candidiasis. Which of the following would be an expected treatment for this condition?

9 :
A client has been struggling with seborrheic dermatitis with significant dandruff. The client presents to his general practitioner for treatment. Which treatment option would be the most appropriate for this client?

10 :
Norepinephrine is being administered to a hospitalized client. What is the most likely indication for norepinephrine?