A 28-Year-Old Woman Comes to the Emergency Department Due to Persistent

question 1506

Multiple Choice

A 28-year-old woman comes to the emergency department due to persistent bilateral headaches.  The patient was initially seen at an urgent care clinic for the same symptoms 4 weeks ago and had normal physical examination findings.  The headache was attributed to a suspected upper respiratory illness, and ibuprofen as needed was advised.  The headache has failed to improve, and now the patient also feels fatigued.  She has had no fever, nausea, vomiting, cough, shortness of breath, chest or abdominal pain, or diarrhea.  The patient has no chronic medical conditions but says she sunburns easily.  She does not use tobacco, alcohol, or illicit drugs.  Temperature is 37.2 C (99 F) , blood pressure is 170/110 mm Hg, pulse is 82/min, and respirations are 14/min.  Physical examination shows normal jugular venous pressure, clear lungs, normal heart sounds, and a nontender abdomen.  There is 1+ pitting edema of the bilateral lower extremities.  Laboratory results are as follows: Which of the following is the most likely diagnosis?

• A)Granulomatosis with angiitis
• B)Hemolytic uremic syndrome
• C)Hypertensive emergency
• D)NSAID-induced interstitial nephritis
• E)Poststreptococcal glomerulonephritis
• F)Systemic lupus erythematosus

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Definitions:

Marginal Cost

The cost of producing one additional unit of a product.

Average Total Cost (ATC)

The total cost of production divided by the quantity produced, representing the cost on average of producing one unit of output.

Total Variable Costs (TVC)

Total Variable Costs represent the overall expenses that vary directly with the level of production output, such as raw materials and labor hours.

Output

The total amount of goods or services produced by a person, machine, or industry.