A 3-Year-Old Boy Is Brought to the Emergency Department by His

question 42

Multiple Choice

A 3-year-old boy is brought to the emergency department by his parents after he develops acute abdominal pain and vomiting.  Examination shows diffuse tenderness to palpation, and abdominal imaging reveals a foreign body lodged within the intestine, causing a small bowel obstruction.  Laparotomy is performed to remove the foreign body; during the procedure, an incidental cyst is discovered.  The cyst is connected by a fibrous band to the ileum and the umbilicus.  The embryologic defect underlying the formation of this patient's cyst is also associated with which of the following?

• A)Gastroschisis
• B)Malrotation
• C)Meckel diverticulum
• D)Omphalocele
• E)Patent urachus
• F)Umbilical hernia

Interpret tables showing willingness to pay and calculate consumer surplus for individuals and markets.

Understand the relationship between a consumer's willingness to pay, market price, and consumer surplus.

Evaluate the impact of market changes on consumer surplus.

Identify the total consumer surplus from graphical data or demand curves.