WGU D118: ADULT PRIMARY CARE EXAM CONTAINING ACTUAL
QUESTIONS &VERIFIED /COMPLETE ANSWERS|RESULTS SHOW
NOTHING BUT EXCELLENCE!!|2026 NEWEST UPDATE
1.
Question:
A 58-year-old male with a 30-year smoking history presents with chronic cough, weight loss, and
hemoptysis. What is the most appropriate next diagnostic step, and why?
Answer:
A CT scan of the chest with contrast is the most appropriate next step.
Rationale:
While a chest X-ray may be done initially, CT imaging provides more detailed visualization of lung
masses, lymphadenopathy, and metastasis. Given red flag symptoms (hemoptysis, weight loss, smoking
history), suspicion for lung cancer is high, requiring advanced imaging.
2.
Question:
Explain the pathophysiological mechanism behind diabetic nephropathy and identify the earliest clinical
sign.
Answer:
Hyperglycemia leads to glomerular hyperfiltration, thickening of the glomerular basement membrane, and
mesangial expansion due to advanced glycation end-products.
Earliest sign:
Microalbuminuria (30–300 mg/day)
Rationale:
Damage begins at the glomerular level before overt proteinuria. Early detection allows intervention with
ACE inhibitors or ARBs to slow progression.
3.
Question:
A patient with hypertension and chronic kidney disease (CKD) is being treated. Which antihypertensive is
preferred and why?
Answer:
ACE inhibitors (e.g., lisinopril) or ARBs
Rationale:
They reduce intraglomerular pressure and proteinuria, slowing CKD progression. They also provide
cardiovascular protection.
,4.
Question:
Differentiate between stable angina and unstable angina in terms of pathophysiology and clinical
presentation.
Answer:
• Stable angina: Fixed atherosclerotic plaque → predictable chest pain with exertion
• Unstable angina: Plaque rupture → platelet aggregation → partial occlusion →
unpredictable pain at rest
Rationale:
Unstable angina is part of acute coronary syndrome and requires urgent evaluation.
5.
Question:
A 45-year-old obese patient presents with fatigue and elevated liver enzymes. What is the most likely
diagnosis and initial management?
Answer:
Nonalcoholic fatty liver disease (NAFLD)
Management:
Lifestyle modification (weight loss, exercise, diet)
Rationale:
NAFLD is strongly associated with obesity and insulin resistance. Weight reduction improves liver
function.
6.
Question:
Explain why beta-blockers are contraindicated in patients with severe asthma.
Answer:
Beta-blockers block β2 receptors, leading to bronchoconstriction.
Rationale:
Non-selective beta-blockers worsen airway obstruction; even selective ones should be used cautiously.
7.
Question:
What are the diagnostic criteria for metabolic syndrome?
,Answer:
Three or more of the following:
• Abdominal obesity
• High triglycerides
• Low HDL
• Hypertension
• Elevated fasting glucose
Rationale:
Metabolic syndrome increases risk of cardiovascular disease and diabetes.
8.
Question:
A patient presents with sudden unilateral weakness and slurred speech lasting 20 minutes. What is the
diagnosis and next step?
Answer:
Transient ischemic attack (TIA)
Next step:
Urgent evaluation with imaging (MRI/CT) and stroke prevention measures
Rationale:
TIA is a warning sign for stroke; early intervention reduces risk.
9.
Question:
Discuss the mechanism of action of statins and their primary benefit.
Answer:
Statins inhibit HMG-CoA reductase, reducing cholesterol synthesis.
Primary benefit:
Lower LDL cholesterol and reduce cardiovascular risk
Rationale:
They also stabilize plaques and reduce inflammation.
10.
Question:
A patient has persistent GERD symptoms despite PPI therapy. What is the next step?
, Answer:
Upper endoscopy (EGD)
Rationale:
To evaluate for complications such as Barrett’s esophagus or esophagitis.
11.
Question:
Explain the difference between hypothyroidism and hyperthyroidism in terms of symptoms and lab
findings.
Answer:
• Hypothyroidism: Fatigue, weight gain, cold intolerance, high TSH, low T4
• Hyperthyroidism: Weight loss, heat intolerance, tachycardia, low TSH, high T4
Rationale:
TSH is inversely related to thyroid hormone levels.
12.
Question:
A patient presents with polyuria, polydipsia, and blurred vision. What diagnostic test confirms diabetes?
Answer:
HbA1c ≥ 6.5%
Rationale:
Reflects average glucose over 3 months; widely used for diagnosis.
13.
Question:
What is the first-line treatment for uncomplicated hypertension in adults?
Answer:
• Thiazide diuretics
• ACE inhibitors
• ARBs
• Calcium channel blockers
Rationale:
Choice depends on patient comorbidities and demographics.
QUESTIONS &VERIFIED /COMPLETE ANSWERS|RESULTS SHOW
NOTHING BUT EXCELLENCE!!|2026 NEWEST UPDATE
1.
Question:
A 58-year-old male with a 30-year smoking history presents with chronic cough, weight loss, and
hemoptysis. What is the most appropriate next diagnostic step, and why?
Answer:
A CT scan of the chest with contrast is the most appropriate next step.
Rationale:
While a chest X-ray may be done initially, CT imaging provides more detailed visualization of lung
masses, lymphadenopathy, and metastasis. Given red flag symptoms (hemoptysis, weight loss, smoking
history), suspicion for lung cancer is high, requiring advanced imaging.
2.
Question:
Explain the pathophysiological mechanism behind diabetic nephropathy and identify the earliest clinical
sign.
Answer:
Hyperglycemia leads to glomerular hyperfiltration, thickening of the glomerular basement membrane, and
mesangial expansion due to advanced glycation end-products.
Earliest sign:
Microalbuminuria (30–300 mg/day)
Rationale:
Damage begins at the glomerular level before overt proteinuria. Early detection allows intervention with
ACE inhibitors or ARBs to slow progression.
3.
Question:
A patient with hypertension and chronic kidney disease (CKD) is being treated. Which antihypertensive is
preferred and why?
Answer:
ACE inhibitors (e.g., lisinopril) or ARBs
Rationale:
They reduce intraglomerular pressure and proteinuria, slowing CKD progression. They also provide
cardiovascular protection.
,4.
Question:
Differentiate between stable angina and unstable angina in terms of pathophysiology and clinical
presentation.
Answer:
• Stable angina: Fixed atherosclerotic plaque → predictable chest pain with exertion
• Unstable angina: Plaque rupture → platelet aggregation → partial occlusion →
unpredictable pain at rest
Rationale:
Unstable angina is part of acute coronary syndrome and requires urgent evaluation.
5.
Question:
A 45-year-old obese patient presents with fatigue and elevated liver enzymes. What is the most likely
diagnosis and initial management?
Answer:
Nonalcoholic fatty liver disease (NAFLD)
Management:
Lifestyle modification (weight loss, exercise, diet)
Rationale:
NAFLD is strongly associated with obesity and insulin resistance. Weight reduction improves liver
function.
6.
Question:
Explain why beta-blockers are contraindicated in patients with severe asthma.
Answer:
Beta-blockers block β2 receptors, leading to bronchoconstriction.
Rationale:
Non-selective beta-blockers worsen airway obstruction; even selective ones should be used cautiously.
7.
Question:
What are the diagnostic criteria for metabolic syndrome?
,Answer:
Three or more of the following:
• Abdominal obesity
• High triglycerides
• Low HDL
• Hypertension
• Elevated fasting glucose
Rationale:
Metabolic syndrome increases risk of cardiovascular disease and diabetes.
8.
Question:
A patient presents with sudden unilateral weakness and slurred speech lasting 20 minutes. What is the
diagnosis and next step?
Answer:
Transient ischemic attack (TIA)
Next step:
Urgent evaluation with imaging (MRI/CT) and stroke prevention measures
Rationale:
TIA is a warning sign for stroke; early intervention reduces risk.
9.
Question:
Discuss the mechanism of action of statins and their primary benefit.
Answer:
Statins inhibit HMG-CoA reductase, reducing cholesterol synthesis.
Primary benefit:
Lower LDL cholesterol and reduce cardiovascular risk
Rationale:
They also stabilize plaques and reduce inflammation.
10.
Question:
A patient has persistent GERD symptoms despite PPI therapy. What is the next step?
, Answer:
Upper endoscopy (EGD)
Rationale:
To evaluate for complications such as Barrett’s esophagus or esophagitis.
11.
Question:
Explain the difference between hypothyroidism and hyperthyroidism in terms of symptoms and lab
findings.
Answer:
• Hypothyroidism: Fatigue, weight gain, cold intolerance, high TSH, low T4
• Hyperthyroidism: Weight loss, heat intolerance, tachycardia, low TSH, high T4
Rationale:
TSH is inversely related to thyroid hormone levels.
12.
Question:
A patient presents with polyuria, polydipsia, and blurred vision. What diagnostic test confirms diabetes?
Answer:
HbA1c ≥ 6.5%
Rationale:
Reflects average glucose over 3 months; widely used for diagnosis.
13.
Question:
What is the first-line treatment for uncomplicated hypertension in adults?
Answer:
• Thiazide diuretics
• ACE inhibitors
• ARBs
• Calcium channel blockers
Rationale:
Choice depends on patient comorbidities and demographics.
