HESI Med Surg Exit Exam 2025 – 100
Questions with Verified Correct
Answers | 100% Pass Guarantee
Disease Processes (Questions 1-30)
1. What is the primary pathophysiological cause of congestive heart failure (CHF)?
A. Coronary artery occlusion
B. Increased preload only
C. Impaired myocardial pump function
D. Peripheral vasoconstriction
Rationale: CHF results from the heart’s inability to pump effectively due to weakened
myocardium (e.g., from MI or cardiomyopathy), leading to fluid overload. This is distinct
from coronary occlusion (acute MI) or isolated preload issues, per AHA guidelines.
2. In acute pancreatitis, what causes autodigestion of pancreatic tissue?
A. Bacterial infection
B. Pancreatic duct obstruction
C. Premature activation of digestive enzymes
D. Hypocalcemia
Rationale: Trypsin and lipase activate within the pancreas, causing tissue damage, often
triggered by gallstones or alcohol, per AGA guidelines.
3. What is the hallmark feature of Parkinson’s disease?
A. Memory loss
B. Peripheral neuropathy
C. Dopamine deficiency in basal ganglia
D. Seizure activity
Rationale: Loss of dopaminergic neurons in the substantia nigra causes tremor, rigidity,
and bradykinesia, distinguishing it from Alzheimer’s or epilepsy.
4. In diabetic ketoacidosis (DKA), what drives the anion gap acidosis?
A. Hypoglycemia
B. Ketone accumulation
C. Beta-hydroxybutyrate and acetoacetate production
D. Hypernatremia
Rationale: Insulin deficiency leads to lipolysis, producing ketones that lower pH, per
ADA DKA management protocols.
,5. What is the primary cause of chronic obstructive pulmonary disease (COPD)?
A. Genetic mutation
B. Long-term smoking exposure
C. Chronic airway inflammation and destruction
D. Acute viral infection
Rationale: Smoking-induced inflammation damages alveoli and airways, causing
irreversible airflow limitation, per GOLD guidelines.
6. Which condition is associated with microangiopathic hemolytic anemia?
A. Sickle cell anemia
B. Iron deficiency
C. Thrombotic thrombocytopenic purpura (TTP)
D. Vitamin B12 deficiency
Rationale: TTP causes RBC fragmentation in microvasculature due to ADAMTS13
deficiency, leading to schistocytes and thrombocytopenia.
7. In rheumatoid arthritis, what is the primary target of inflammation?
A. Cartilage only
B. Bone marrow
C. Synovial membrane
D. Muscle tissue
Rationale: Autoimmune attack on synovium causes joint swelling and destruction, per
ACR criteria, distinguishing RA from osteoarthritis.
8. What is the primary trigger for myasthenia gravis symptoms?
A. Hypothyroidism
B. Acetylcholine receptor antibodies
C. Autoimmune blockade of neuromuscular junctions
D. Calcium deficiency
Rationale: Antibodies impair acetylcholine signaling, causing muscle weakness,
treatable with cholinesterase inhibitors like pyridostigmine.
9. In acute glomerulonephritis, what is the typical cause?
A. Chronic hypertension
B. Post-streptococcal infection
C. Immune complex deposition
D. Urolithiasis
Rationale: Streptococcal antigens trigger glomerular inflammation, leading to hematuria
and edema, per KDIGO guidelines.
, 10. What characterizes Cushing’s syndrome?
A. Hypocortisolism
B. Adrenal insufficiency
C. Excess cortisol production
D. Hypothyroidism
Rationale: Hypercortisolism from tumors or steroids causes moon face, striae, and
hyperglycemia, per Endocrine Society standards.
11. In multiple sclerosis, what is the primary pathological process?
A. Axon regeneration
B. Peripheral nerve damage
C. Demyelination of CNS neurons
D. Synaptic failure
Rationale: Autoimmune attack on myelin sheaths disrupts nerve conduction, causing
sensory and motor deficits, per NMSS guidelines.
12. What is the primary cause of peptic ulcer disease?
A. Stress alone
B. Spicy foods
C. H. pylori infection or NSAIDs
D. Alcohol abuse
Rationale: H. pylori erodes mucosa, and NSAIDs inhibit protective prostaglandins, per
AGA recommendations.
13. In Addison’s disease, what is deficient?
A. Thyroid hormone
B. Insulin
C. Cortisol and aldosterone
D. Growth hormone
Rationale: Adrenal cortex destruction causes hypotension and electrolyte imbalances,
treatable with hydrocortisone, per Endocrine Society.
14. What is the hallmark of systemic lupus erythematosus (SLE)?
A. Osteoporosis
B. Autoimmune multi-organ involvement
C. Antinuclear antibody positivity
D. Hypoglycemia
Rationale: ANA positivity with symptoms like rash and arthritis defines SLE, per
ACR/EULAR criteria.
Questions with Verified Correct
Answers | 100% Pass Guarantee
Disease Processes (Questions 1-30)
1. What is the primary pathophysiological cause of congestive heart failure (CHF)?
A. Coronary artery occlusion
B. Increased preload only
C. Impaired myocardial pump function
D. Peripheral vasoconstriction
Rationale: CHF results from the heart’s inability to pump effectively due to weakened
myocardium (e.g., from MI or cardiomyopathy), leading to fluid overload. This is distinct
from coronary occlusion (acute MI) or isolated preload issues, per AHA guidelines.
2. In acute pancreatitis, what causes autodigestion of pancreatic tissue?
A. Bacterial infection
B. Pancreatic duct obstruction
C. Premature activation of digestive enzymes
D. Hypocalcemia
Rationale: Trypsin and lipase activate within the pancreas, causing tissue damage, often
triggered by gallstones or alcohol, per AGA guidelines.
3. What is the hallmark feature of Parkinson’s disease?
A. Memory loss
B. Peripheral neuropathy
C. Dopamine deficiency in basal ganglia
D. Seizure activity
Rationale: Loss of dopaminergic neurons in the substantia nigra causes tremor, rigidity,
and bradykinesia, distinguishing it from Alzheimer’s or epilepsy.
4. In diabetic ketoacidosis (DKA), what drives the anion gap acidosis?
A. Hypoglycemia
B. Ketone accumulation
C. Beta-hydroxybutyrate and acetoacetate production
D. Hypernatremia
Rationale: Insulin deficiency leads to lipolysis, producing ketones that lower pH, per
ADA DKA management protocols.
,5. What is the primary cause of chronic obstructive pulmonary disease (COPD)?
A. Genetic mutation
B. Long-term smoking exposure
C. Chronic airway inflammation and destruction
D. Acute viral infection
Rationale: Smoking-induced inflammation damages alveoli and airways, causing
irreversible airflow limitation, per GOLD guidelines.
6. Which condition is associated with microangiopathic hemolytic anemia?
A. Sickle cell anemia
B. Iron deficiency
C. Thrombotic thrombocytopenic purpura (TTP)
D. Vitamin B12 deficiency
Rationale: TTP causes RBC fragmentation in microvasculature due to ADAMTS13
deficiency, leading to schistocytes and thrombocytopenia.
7. In rheumatoid arthritis, what is the primary target of inflammation?
A. Cartilage only
B. Bone marrow
C. Synovial membrane
D. Muscle tissue
Rationale: Autoimmune attack on synovium causes joint swelling and destruction, per
ACR criteria, distinguishing RA from osteoarthritis.
8. What is the primary trigger for myasthenia gravis symptoms?
A. Hypothyroidism
B. Acetylcholine receptor antibodies
C. Autoimmune blockade of neuromuscular junctions
D. Calcium deficiency
Rationale: Antibodies impair acetylcholine signaling, causing muscle weakness,
treatable with cholinesterase inhibitors like pyridostigmine.
9. In acute glomerulonephritis, what is the typical cause?
A. Chronic hypertension
B. Post-streptococcal infection
C. Immune complex deposition
D. Urolithiasis
Rationale: Streptococcal antigens trigger glomerular inflammation, leading to hematuria
and edema, per KDIGO guidelines.
, 10. What characterizes Cushing’s syndrome?
A. Hypocortisolism
B. Adrenal insufficiency
C. Excess cortisol production
D. Hypothyroidism
Rationale: Hypercortisolism from tumors or steroids causes moon face, striae, and
hyperglycemia, per Endocrine Society standards.
11. In multiple sclerosis, what is the primary pathological process?
A. Axon regeneration
B. Peripheral nerve damage
C. Demyelination of CNS neurons
D. Synaptic failure
Rationale: Autoimmune attack on myelin sheaths disrupts nerve conduction, causing
sensory and motor deficits, per NMSS guidelines.
12. What is the primary cause of peptic ulcer disease?
A. Stress alone
B. Spicy foods
C. H. pylori infection or NSAIDs
D. Alcohol abuse
Rationale: H. pylori erodes mucosa, and NSAIDs inhibit protective prostaglandins, per
AGA recommendations.
13. In Addison’s disease, what is deficient?
A. Thyroid hormone
B. Insulin
C. Cortisol and aldosterone
D. Growth hormone
Rationale: Adrenal cortex destruction causes hypotension and electrolyte imbalances,
treatable with hydrocortisone, per Endocrine Society.
14. What is the hallmark of systemic lupus erythematosus (SLE)?
A. Osteoporosis
B. Autoimmune multi-organ involvement
C. Antinuclear antibody positivity
D. Hypoglycemia
Rationale: ANA positivity with symptoms like rash and arthritis defines SLE, per
ACR/EULAR criteria.
