A Patient with a Bleeding Ulcer Had an Elevated Heart

question 12

Multiple Choice

A patient with a bleeding ulcer had an elevated heart rate, but his blood pressure was very low and dropping. After the bleeding was stopped and a blood transfusion was given, blood pressure increased. Which of these statements are consistent with these observations?

• A) Negative-feedback mechanisms are occasionally inadequate without medical intervention.
• B) The transfusion interrupted a positive-feedback mechanism.
• C) The transfusion interrupted a negative-feedback mechanism.
• D) The transfusion was not necessary.
• E) "Both negative-feedback mechanisms are occasionally inadequate without medical intervention" and "the transfusion interrupted a positive-feedback mechanism" are consistent.

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Definitions:

Variable Administrative Expenses

Costs that vary in proportion to changes in an organization's activity level, such as sales commissions.

Sunk Cost

A cost that has already been incurred and cannot be recovered, and hence should not influence future business decisions.

Sunk Cost

Costs that have already been incurred and cannot be recovered or reversed.

Model 240 Machine

A hypothetical or specific name for a machine, possibly denoting a particular model or type used in manufacturing or industrial settings.