A 65-Year-Old Man Is Brought to the Emergency Department Due

question 380

Multiple Choice

A 65-year-old man is brought to the emergency department due to acute onset of a severe headache and dizziness.  He describes it as a throbbing that localizes to the back of his head, with associated vertigo and mild nausea.  The patient has a past medical history of type 2 diabetes mellitus, hypertension, chronic obstructive pulmonary disease, and a recent diagnosis of lung adenocarcinoma.  He has smoked 1-2 packs of cigarettes daily for the past 30 years.  His temperature is 36.7 C (98 F) , blood pressure is 170/96 mm Hg, pulse is 80/min, and respirations are 14/min.  Noncontrast head CT reveals an acute hemorrhage in the cerebellar vermis without mass effect or midline shift.  Which of the following neurologic findings is most likely to be present during this patient's physical examination?

• A)Complete ptosis
• B)Dysphagia
• C)Hemiparesis
• D)Limb dysmetria
• E)Resting tremor
• F)Truncal ataxia

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Definitions:

Substitution Effect

The alteration in how goods are consumed as a result of shifts in relative prices, while maintaining the same level of satisfaction for the consumer.

Giffen Good

A product that sees an increase in demand as its price rises, contrary to the law of demand, typically due to the absence of close substitutes and the product being an inferior good.

Perfect Complements

Goods that are consumed together in fixed proportions, where the utility of one item increases with the consumption of the other.

Income Effect

The change in consumption that results from a change in real income (purchasing power), holding prices constant, reflecting how higher income increases consumption of goods while lower income reduces it.