# Me Remaining (Minutes): 33 The patient reports having a severe headache when taking nitroglycerin (Nitrostat )...

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me Remaining (Minutes): 33 The patient reports having a severe headache when taking nitroglycerin (Nitrostat ) for angina. The nurse tells the patient that the headache is caused by a. aura prior to a migraine headache. b. hypoglyemia. c. vasoconstriction of the cerebral arteries. Od. vasodilation of the cerebral arteries Which laboratory study is m0st important for the determination of both the most appropriate treatment regimen and the assessment of the effectiveness of treatment for a patient with infectious endocarditis? Oa. Blood cultures b. Complete blood count (CBC) c. D-dimer d. Erythrocyte sedimentation rate (ESR) A 64-year-old female patient is brought to the Emergency Department because she demonstrates an alteration in reality marked by distorted perceptions, disorganized thinking. impaired judgment, impaired decision making, and regressive behavior. The emergency nurse notifies the provider that the patient is displaying a. delirium. b. dementia Oc psychosis d. schizophrenia A 46-year-old female patient presents to the Emergency Department with pleunitic chest pain. She has an allergy to IV contrast dye and a past medical history of deep vein thrombosis (DVT: she is not taking her prescribed anticoagulant. Her laboratory testing reveals an elevated D-dimer. For which diagnostic study does the emergency nurse anticipate preparing the patient? a. Chest X-Ray b. Computed Tomography (CT) of the Chest without IV contrast c. Magnetic Resonance Imaging (MRI) d. Ventilation/Perfusion Scan

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