A client with chronic pancreatitis is being evaluated.
Which findings are most consistent with this condition? Select all that apply.
Increased Amylase.
Decreased calcium related to binding of calcium.
Increased Lipase.
Decreased serum glucose.
Elevated serum calcium.
Correct Answer : A,B,C
Chronic pancreatitis involves long-term inflammation of the pancreas leading to permanent structural damage and functional impairment. Knowledge of pancreatic enzyme dynamics, calcium sequestration during fat necrosis, and the resulting endocrine dysfunction is essential to identify clinical manifestations and laboratory abnormalities.
Choice A rationale
Chronic inflammation causes cellular destruction and leakage of enzymes into the bloodstream. During acute exacerbations of chronic pancreatitis, serum amylase levels rise above the normal range of 23 to 85 U/L due to pancreatic ductal obstruction.
Choice B rationale
Fat necrosis leads to the release of free fatty acids, which bind with ionized calcium in a process called saponification. This results in hypocalcemia, where serum calcium levels fall below the normal 9.0 to 10.5 mg/dL.
Choice C rationale
Serum lipase is highly specific to the pancreas and increases during inflammatory episodes. Lipase levels remain elevated longer than amylase, exceeding the normal reference range of 0 to 160 U/L as pancreatic acinar cells undergo damage.
Choice D rationale
Chronic pancreatitis often leads to the destruction of insulin-producing beta cells in the islets of Langerhans. This typically results in secondary diabetes mellitus and hyperglycemia, rather than decreased serum glucose levels below the normal 70 to 99 mg/dL.
Choice E rationale
Hypocalcemia is the expected finding due to calcium binding in necrotic fat. Elevated serum calcium is not consistent with pancreatitis; in fact, hypercalcemia is sometimes a causative factor for pancreatitis rather than a clinical manifestation of the disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Evaluating a cervical spine injury for neurogenic shock requires knowledge of autonomic nervous system disruption. Specifically, loss of sympathetic tone below the level of injury must be identified. Differentiating neurogenic shock from spinal shock involves assessing hemodynamic parameters and thermoregulation.
Choice A rationale
Neurogenic shock involves loss of sympathetic vascular tone, causing massive vasodilation and hypotension. Unchecked parasympathetic activity leads to bradycardia. Normal heart rate is 60 to 100. Warm, pink skin results from peripheral blood pooling due to vasodilation.
Choice B rationale
Hyperactive reflexes are characteristic of the later stages of spinal cord injury after spinal shock resolves. They do not indicate the acute hemodynamic collapse seen in neurogenic shock, which specifically targets the cardiovascular regulatory systems.
Choice C rationale
Loss of sensation and movement defines spinal shock or the initial cord injury itself. While present in neurogenic shock, these findings are not specific to the autonomic failure that characterizes the life-threatening hemodynamic instability of shock.
Choice D rationale
Spasticity occurs due to upper motor neuron damage after the initial period of areflexia. This is a chronic or subacute finding and is not associated with the acute cardiovascular distributive failure seen in neurogenic shock.
Correct Answer is A
Explanation
Prioritizing interventions for a client on anticoagulant therapy presenting with neurological changes requires recognizing high-risk complications. Knowledge of anticoagulation side effects and the signs of intracranial hemorrhage is essential to ensure rapid stabilization and prevent irreversible neurological damage or death from bleeding.
Choice A rationale: New blurred vision and delayed responses in a client receiving anticoagulants are hallmark signs of potential intracranial hemorrhage. Notifying the provider immediately is the priority action to facilitate urgent diagnostic imaging and potential reversal of anticoagulation therapy.
Choice B rationale: Administering acetaminophen may mask a worsening headache and ignores the underlying life-threatening cause of the neurological changes. Furthermore, some formulations can interfere with coagulation, and clinical focus must remain on identifying the source of the vision changes.
Choice C rationale: Documentation and monitoring are insufficient when a client displays acute neurological decline while on blood thinners. Delaying intervention allows for continued intracranial bleeding and brain herniation, making passive monitoring a dangerous and inappropriate response in this emergency.
Choice D rationale: Waiting one hour to reassess a client with suspected intracranial bleeding is a critical failure in nursing judgment. Neurological status can deteriorate within minutes during a hemorrhagic event, requiring immediate medical evaluation rather than delayed observation and assessment.
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