A patient presents with an inability to close one eye completely and paralysis. The patient reports pain in the jaw and a headache before the paralysis occurred. Which disorder is described?
Migraine headache
Cerebral aneurysm
Bell palsy
Epilepsy
The Correct Answer is C
A. Migraine headache: Migraines cause severe throbbing pain and sensitivity to light/sound, but they do not cause one-sided facial paralysis.
B. Cerebral aneurysm: While a large aneurysm can press on nerves, it usually presents with "the worst headache of my life" rather than isolated facial nerve paralysis.
C. Bell palsy: This is an acute paralysis of cranial nerve VII (facial nerve). It results in the inability to close the eye on the affected side, drooping of the mouth, and sometimes pain around the jaw/ear.
D. Epilepsy: Epilepsy is a disorder of recurrent seizures (electrical activity in the brain), not localized facial nerve paralysis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Lyme disease: Caused by ticks; usually presents with a "bullseye" rash and joint pain, not primary destruction of RBCs.
B. Malaria: The Plasmodium parasite infects and ruptures red blood cells (hemolysis), leading to anemia, jaundice (from bilirubin release), and cyclic fevers.
C. West Nile virus: This is primarily a neurological/febrile illness and does not cause significant hemolysis.
D. H1N1 flu: This is a respiratory virus.
Correct Answer is C
Explanation
A. High fat diet and hyperoxia. High fat diets are linked to atherosclerosis, not sickle cell crises. Hypoxia (low oxygen), not hyperoxia (excess oxygen), triggers sickling.
B. Reduced stress and warm environmental temperature. These are actually preventative measures. Stress and cold temperatures cause vasoconstriction, which triggers crises.
C. Acidosis and dehydration. Dehydration increases blood viscosity (thickness), and acidosis decreases hemoglobin's affinity for oxygen. Both conditions promote the sickling of red blood cells, leading to vessel occlusion.
D. Alkalosis and insomnia. Acidosis, not alkalosis, is the trigger. While exhaustion is a factor, insomnia itself is not a primary physiological trigger compared to dehydration.
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