PRACTICE QUESTIONS AND
VERIFIED CORRECT
ANSWERS GRADED A+
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An important risk factor for Clostridium difficile-associated diarrhea (CDAD) and C. difficile
colitis is antibiotic therapy and hospitalization. Almost any antibiotic can cause the condition,
but the most common are clindamycin, cephalosporins, and fluoroquinolones. Diarrhea can
occur during therapy as well as after therapy (5 to 10 days; up to 10 weeks).
Pseudomembranous colitis is a complication of C. difficle colitis.
4. An 8 month old girl is brought by her grandmother to see the NP because of intermittent,
random episodes of vomiting, abdominal bloating, currant jelly stools, and irritability with poor
appetite. The infant is trending in the 10th percentile on the growth chart and appears
lethargic. During the abdominal exam, a sausage-like mass is palpated on the right side of the
abdomen. The infant's presentation is highly suggestive of which condition?
A. Lactic intolerance
B. Intussusception
C. Inflammatory bowel disease
,D. IBS - CORRECT ANSWER-B. Intussusception
5. You are reviewing the bilirubin level of a 3 day old full term neonate. You note that is is 10
mg/dL. The infant has a slight yellow color to his skin, mucous membranes, and sclera. The
infant is feeding well, is not irritable, and has eight to 10 wet diapers per day. Which of the
following is a true statement?
A. Keep monitoring the infant's bilirubin level until it returns to normal in about 1 week
B. Recommend that the infant be treated with phototherapy 10 minutes a day until the bilirubin
is back to a normal range
C. Refer the infant to a neonatologist ASAP
D. Refer the infant to the NICU - CORRECT ANSWER-A) Keep on monitoring the infant's bilirubin
level until it returns back to normal in about 1 week
Bilirubin is excreted through the urine and feces. Increased fluids and wetting 8-10 diapers a day
is sufficient fluid intake/excretion to help bring down the bilirubin level. Levels should continue
to be monitored and should improve in approximately 1 week.
6. Which of the following symptoms in an older male patient with a history of GERD is most
worrisome?
A. Chronic heartburn
B. Recurrent regurgitation of sour-tasting food
C. Hoarseness and sore throat
, D. Odynophagia and early satiety - CORRECT ANSWER-D. Odynophagia and early satiety
7. A 14 year old boy is brought in by his mother who reports that her son has been complaining
for several months of recurrent bloating, stomach upset, and occasional loose stools. She
reports that he has difficulty gaining weight and is short for his age. She has noticed that his
symptoms are worse after eating large amounts of crackers, cookies, and breads. She denies
seeing blood in the boy's stool. Which of the following conditions is most likely?
A. Amebiasis
B. Malabsorption
C. Crohn's colitis
D. Celiac disease - CORRECT ANSWER-D) Celiac disease
Celiac disease is also known as celiac sprue. Patients should avoid foods containing gluten,
which causes malabsorption (diarrhea, gas, bloat- ing, abdominal pain, etc.). Foods to avoid are
wheat, rye, and barley. Oats do not damage the mucosa in celiac disease. Antigliadin IgA and
IgG are elevated in almost all patients (90%).
8. Extreme tenderness and involuntary guarding at McBurney's point is a significant finding for
possible
A. Acute cholecystitis
B. Acute appendicitis