NURS 5315
Advanced Pathophysiology
Exam 4 Practice Exam
Neurologic, Endocrine, and Musculoskeletal Disorders; clinical case questions
emphasizing mechanisms, distinguishing findings, diagnostic patterns, and
progression.
100 A-D 100
Practice Questions Multiple Choice Explained Answers
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, NURS 5315 • Exam 4 Practice Exam
Exam 4 Practice Exam
Focus: Neurologic, Endocrine, and Musculoskeletal Disorders; clinical case questions emphasizing mechanisms,
distinguishing findings, diagnostic patterns, and progression.
Instructions: Choose the single best answer from A–D for every question. Answers and 3-sentence explanations
follow each item.
1. A postmenopausal patient sustains a low-trauma vertebral compression fracture. Which
finding is most consistent with the suspected disease process?
A. Fragility fractures may occur after minimal trauma
B. Pain out of proportion and pain on passive stretch are early warnings
C. Diffuse bone tenderness and fragility may occur
D. Sudden intensely painful monoarthritis is characteristic
Answer: A. Fragility fractures may occur after minimal trauma
Explanation: A characteristic feature of Osteoporosis is fragility fractures may occur after minimal trauma. The
finding reflects bone resorption exceeds formation and reduces trabecular integrity. The associated objective
pattern is bone densitometry can show T-score at or below minus 2.5.
2. An adult develops larger hands, coarse facial features, and headaches. Which
pathophysiologic mechanism most directly accounts for this presentation?
A. Autonomous PTH secretion increases serum calcium via bone and renal effects
B. Excess growth hormone after epiphyseal closure increases IGF-1 and tissue growth
C. PTH deficiency reduces calcium regulation and impairs renal phosphate excretion
D. Sustained glucocorticoid excess drives protein catabolism and insulin resistance
Answer: B. Excess growth hormone after epiphyseal closure increases IGF-1 and tissue growth
Explanation: Acromegaly is driven by excess growth hormone after epiphyseal closure increases IGF-1 and tissue
growth. The case is consistent with acral enlargement and prognathism develop gradually. A supporting objective
pattern is elevated IGF-1 with failure of GH suppression after oral glucose.
3. A patient has fatigue, cold intolerance, and a painless enlarged thyroid. Which measured
abnormality would reinforce this interpretation?
A. High anion gap acidosis with elevated ketones and hyperglycemia
B. CSF often has neutrophils high protein and low glucose
C. High TSH with low free T4 in overt primary hypothyroidism
D. Very high glucose and serum osmolality with little significant ketoacidosis
Answer: C. High TSH with low free T4 in overt primary hypothyroidism
Explanation: The predicted diagnostic signature is high TSH with low free T4 in overt primary hypothyroidism. This
follows from autoimmune lymphocytic destruction reduces thyroid hormone output. Correlate it with the clinical
clue: dry skin bradycardia and slowed reflex relaxation can occur.
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, NURS 5315 • Exam 4 Practice Exam
4. A patient reports an abrupt thunderclap headache during exercise. Which later
consequence follows logically from this process?
A. Hematoma expansion can elevate intracranial pressure
B. Cerebral edema or hemorrhagic transformation may occur
C. Respiratory muscle weakness can cause myasthenic crisis
D. Delayed cerebral vasospasm can cause ischemia
Answer: D. Delayed cerebral vasospasm can cause ischemia
Explanation: Progressive Subarachnoid hemorrhage can lead to delayed cerebral vasospasm can cause ischemia.
The risk is linked to a ruptured intracranial aneurysm can spill blood into the subarachnoid space. Early recognition
relies on sudden maximal-intensity headache with meningeal signs.
5. A patient with brain edema develops vomiting and deteriorating consciousness. The
clinician identifies which primary mechanism?
A. Added intracranial volume impairs cerebral perfusion as compensatory capacity is exhausted
B. Autoantibodies disrupt postsynaptic acetylcholine receptor signaling
C. Rupture of small cerebral vessels causes bleeding directly into brain tissue
D. A ruptured intracranial aneurysm can spill blood into the subarachnoid space
Answer: A. Added intracranial volume impairs cerebral perfusion as compensatory capacity is
exhausted
Explanation: Increased intracranial pressure is driven by added intracranial volume impairs cerebral perfusion as
compensatory capacity is exhausted. The case is consistent with declining level of consciousness and pupillary
changes are concerning. A supporting objective pattern is cerebral perfusion pressure decreases as intracranial
pressure rises.
6. An older adult has resting tremor, rigidity, and slowed movement. What objective result
best aligns with this process?
A. MRI may show characteristic periventricular demyelinating plaques
B. Reduced dopaminergic signaling in the substantia nigra pathway
C. Medial temporal atrophy may appear on neuroimaging
D. EEG can show focal epileptiform activity
Answer: B. Reduced dopaminergic signaling in the substantia nigra pathway
Explanation: The predicted diagnostic signature is reduced dopaminergic signaling in the substantia nigra
pathway. This follows from loss of nigrostriatal dopaminergic neurons reduces basal ganglia motor modulation.
Correlate it with the clinical clue: bradykinesia with rigidity and resting tremor.
7. A patient with brain edema develops vomiting and deteriorating consciousness. Which
supporting observation best matches this presentation?
A. Rapid neurologic decline may accompany mass effect
B. Fatigable weakness disproportionately affects ocular and bulbar muscles
C. Declining level of consciousness and pupillary changes are concerning
D. Sudden maximal-intensity headache with meningeal signs
Answer: C. Declining level of consciousness and pupillary changes are concerning
Explanation: A characteristic feature of Increased intracranial pressure is declining level of consciousness and
pupillary changes are concerning. The finding reflects added intracranial volume impairs cerebral perfusion as
compensatory capacity is exhausted. The associated objective pattern is cerebral perfusion pressure decreases as
intracranial pressure rises.
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