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A 65-Year-Old Man Comes to the Emergency Department Due to Severe

question 82

Multiple Choice

A 65-year-old man comes to the emergency department due to severe headache localized to the left frontal temporal region that began 4 hours ago. At the onset of the headache, he also had transient vision impairment in the left eye, which has now resolved. The patient has never had similar symptoms previously. Medications are acetaminophen for arthritis and metformin for recently diagnosed type 2 diabetes mellitus. He lives in rural Connecticut, smokes a pack of cigarettes per day, and does not use alcohol or illicit drugs. Temperature is 36.7 C (98.1 F) , blood pressure is 152/96 mm Hg, and pulse is 89/min. Pulse oximetry shows 99% on room air. Physical examination findings are shown in the exhibit. Laboratory studies are as follows: A noncontrast CT scan of the head shows no intracranial hemorrhage or mass lesion. Which of the following is the most appropriate next step in management of this patient?

Describe the organization and regulation of metabolic pathways.

Explain the laws of thermodynamics as they apply to biological systems.

Understand enzyme function, specificity, and the factors influencing enzyme activity.

Grasp the concept of energy in chemical reactions, including free energy, energy of activation, and the role of enzymes in altering these energies.

Definitions:

Equilibrium Quantity

The quantity of goods or services supplied and demanded at the equilibrium price, where supply and demand curves intersect.

Surplus

A situation where the quantity of a good or service supplied exceeds the quantity demanded at the current price; often leads to price reductions.

Shortage

A situation in which demand for a good or service exceeds the supply available at a specific price. This can lead to long lines, increased prices, or both.

Demand Schedule

A table that lists the quantity of a good a consumer will purchase at various prices in a market.