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What is a goiter? - 🧠 ANSWER ✔✔enlargement of the thyroid gland
Where does nutrient absorption begin?
A) Esophagus
B) Stomach
C) Small intestine
D) Large intestine - 🧠 ANSWER ✔✔C
Which cranial nerve controls intestinal motility?
,A) Trigeminal
B) Glossopharyngeal
C) Hypoglossal
D) Vagus - 🧠 ANSWER ✔✔D
Which of the following statements describes the function of Escherichia coli
in the intestine?
A) These organisms feed off undigested food.
B) They synthesize vitamins (e.g., B vitamins).
C) They produce mucus so that feces will pass.
D) They aid with water absorption.
E) Both these organisms feed off undigested food, and they synthesize
vitamins (e.g., B vitamins). - 🧠 ANSWER ✔✔E
__________ emulsifies fat soluble vitamins (A, D, E, and K) so that they
can be absorbed.
A) Amylase
B) Lipase
C) Bile salts
,D) Bilirubin - 🧠 ANSWER ✔✔C
Changes in the gastrointestinal system associated with aging include:
A) increased stomach acid secretion leading to susceptibility of ulcer
formation.
B) increased peristalsis thereby causing diarrhea.
C) reduced liver blood flow and drug clearance.
D) increased intrinsic factor production. - 🧠 ANSWER ✔✔C
An infant is born with an esophageal atresia with a tracheoesophageal
fistula. A complication that can occur is:
A) aspiration pneumonia.
B) inability to suck.
C) bowel obstruction.
D) anal atresia. - 🧠 ANSWER ✔✔A
A 3-week-old male infant is brought to the ER with projectile vomiting and
irritability. The mother said that he seems to be hungry a lot but vomits
after, and it has gotten worse over 2-3 days. She also notes he is
constipated. The most likely diagnosis is:
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, A) intestinal malrotation.
B) Meckel diverticulum.
C) pyloric stenosis.
D) esophageal atresia - 🧠 ANSWER ✔✔C
In which of these scenarios is liver injury most likely?
A) A 55-year-old with a low alanine aminotransferase (ALT)
B) A 45-year-old with an elevated aspartate aminotransferase (AST)
C) A 60-year-old with an elevated alkaline phosphatase and elevated γ-
glutamyl transpeptidase (GGT)
D) A 70-year-old with an elevated alkaline phosphatase and normal γ-
glutamyl transpeptidase (GGT - 🧠 ANSWER ✔✔C
A 50-year-old man is diagnosed with gastroesophageal reflux disease. He
smokes and drinks a lot of coffee. What is a likely reason for the
development of reflux in this man?
A) Impaired gastric motility
B) Abnormalities in the lower esophageal sphincter
C) Increased sympathetic stimulation