A 23-Year-Old Man Is Brought to the Emergency Department by Paramedics

question 143

Multiple Choice

A 23-year-old man is brought to the emergency department by paramedics following a motor vehicle accident.  He was an unrestrained passenger in the front seat.  Several days after hospitalization, his fluid volume and plasma osmolarity are measured and illustrated in the image below (solid line, normal; dotted line, patient) . Which of the following conditions is most likely to cause the findings shown in the image?

• A)Acute gastrointestinal hemorrhage
• B)Adrenal insufficiency
• C)Diabetes insipidus
• D)Hypertonic saline infusion
• E)Primary polydipsia

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Definitions:

Comprehend Difficult

The challenges associated with understanding complex concepts, texts, or problems.

Accessibility

The ease with which people can bring an idea into consciousness and use it in thinking.

Mere Exposure Effect

The phenomenon by which people tend to develop a preference for things merely because they are familiar with them.

Primacy Effect

The tendency to remember information at the beginning of a list or sequence better than information in the middle or at the end.