Original Practice Questions with Answers & Rationales | INSTANT
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Overview
This practice set emphasizes application-based clinical reasoning rather than simple recall.
Questions focus on common patient presentations, interpretation of clinical findings, recognition
of urgent conditions, differential diagnosis, appropriate diagnostic testing, evidence-based
management, patient education, and follow-up.
Coverage
Cardiovascular: ACS, angina, heart failure, hypertension, arrhythmias, atrial fibrillation,
cardiovascular risk reduction
Respiratory: Asthma, COPD, pneumonia, pulmonary embolism, chronic cough, sleep
apnea, respiratory emergencies
Neurologic: Stroke, TIA, headaches, delirium, dementia, vertigo, neuropathies,
emergency neurologic findings
Gastrointestinal: GERD, GI bleeding, pancreatitis, cholecystitis, diverticulitis, bowel
obstruction, IBS, liver disease
Renal/Urinary: UTI, pyelonephritis, nephrolithiasis, CKD, nephrotic/nephritic
syndromes, urinary retention, incontinence
Endocrine: Diabetes, DKA, hyperosmolar state, hypothyroidism, hyperthyroidism,
adrenal disorders, thyroid emergencies
Hematologic: Anemia, iron deficiency, vitamin deficiencies, thrombocytopenia, multiple
myeloma, lymphoproliferative disorders
Musculoskeletal: Back pain, radiculopathy, cauda equina syndrome, rheumatoid
arthritis, osteoarthritis, gout, osteoporosis
Dermatologic: Suspicious skin lesions, melanoma warning signs, nonhealing lesions,
inflammatory and infectious skin conditions
ENT & Ophthalmology: BPPV, Ménière disease, sudden hearing loss, glaucoma,
cataracts, retinal detachment, sinus and upper-airway disorders
Women's Health: Breast masses, breast cancer screening, postmenopausal bleeding,
preventive health considerations
Men's Health: BPH, urinary symptoms, erectile dysfunction, cardiovascular risk
assessment
Psychiatric: Depression, anxiety, bipolar-spectrum symptoms, hallucinations, suicide-
risk assessment, delirium, neurocognitive disorders
Preventive Care: Screening, immunizations, lifestyle counseling, medication
reconciliation, fall-risk assessment, chronic disease prevention
Clinical Reasoning: Differential diagnosis, red flags, diagnostic testing, urgent referral,
emergency recognition, treatment planning, patient education, and follow-up
,These are original exam-style questions, actual leaked Chamberlain exam questions.
1.
A 58-year-old patient presents for a routine primary-care visit and reports several months of
progressive fatigue, exertional dyspnea, and occasional lightheadedness. Laboratory testing
reveals a hemoglobin concentration of 9.1 g/dL with microcytosis and low ferritin. Which
additional finding would most strongly support iron-deficiency anemia?
A. Elevated mean corpuscular volume
B. Elevated serum ferritin
C. ✓ Increased total iron-binding capacity
D. Decreased red blood cell distribution width
Rationale: Iron-deficiency anemia typically produces microcytosis, low ferritin, low serum
iron, and increased total iron-binding capacity. In an adult, the clinician should also
investigate possible chronic blood loss.
2.
A 67-year-old patient reports new-onset temporal headache, scalp tenderness, jaw
discomfort while chewing, and transient visual blurring. The clinician is concerned about
giant cell arteritis. Which action is most appropriate?
A. Reassure the patient and schedule routine follow-up
B. Prescribe a triptan and reassess in 2 weeks
C. ✓ Initiate urgent evaluation and corticosteroid treatment when clinically indicated
to prevent vision loss
D. Recommend increased oral fluid intake only
Rationale: Giant cell arteritis is a medical urgency because untreated inflammation can
cause permanent visual loss. Corticosteroids are generally started promptly when clinical
suspicion is high.
,3.
A 45-year-old patient presents with episodic substernal chest pressure occurring during
brisk walking and resolving after several minutes of rest. The discomfort has occurred
predictably for several months. Which diagnosis is most consistent with these findings?
A. Acute pericarditis
B. Gastroesophageal reflux disease
C. ✓ Stable angina
D. Pulmonary embolism
Rationale: Stable angina typically causes predictable exertional chest discomfort that
improves with rest or other antianginal therapy.
4.
A patient with hypertension has repeatedly elevated office blood pressures despite reporting
normal readings at home. The clinician suspects white-coat hypertension. Which method is
most useful for confirming the patient's usual blood-pressure pattern?
A. One additional office measurement
B. Measurement only after exercise
C. ✓ Ambulatory or appropriately performed home blood-pressure monitoring
D. Blood-pressure measurement after caffeine consumption
Rationale: Out-of-office blood-pressure monitoring helps distinguish sustained hypertension
from white-coat hypertension and provides a more representative assessment.
5.
A 72-year-old patient with atrial fibrillation is being evaluated for stroke prevention. Which
factor most strongly influences the decision to initiate chronic anticoagulation?
A. Resting heart rate alone
B. Duration of the current ECG tracing
, C. ✓ The patient's overall thromboembolic risk
D. Presence of occasional palpitations
Rationale: Anticoagulation decisions in atrial fibrillation are based primarily on validated
thromboembolic-risk assessment along with bleeding risk and individual factors.
6.
A 29-year-old patient reports recurrent episodes of unilateral throbbing headache
associated with nausea and photophobia. The patient prefers to lie in a dark, quiet room
during attacks. Which diagnosis is most likely?
A. Tension-type headache
B. Cluster headache
C. ✓ Migraine
D. Temporal arteritis
Rationale: Migraine commonly presents with unilateral, pulsating headache accompanied by
nausea and sensitivity to light or sound.
7.
A 34-year-old patient presents with fever, sore throat, tender anterior cervical lymph nodes,
and tonsillar exudates without cough. Which diagnostic approach is most appropriate?
A. Assume viral infection based solely on examination
B. Begin antibiotics for every patient with sore throat
C. ✓ Use an appropriate streptococcal testing strategy based on clinical findings
D. Obtain a chest CT before treatment
Rationale: Clinical findings can identify patients at increased likelihood of group A
streptococcal pharyngitis, but appropriate testing is used to establish the diagnosis before
antibiotics when indicated.