Question 1

Staphylococcal food poisoning produces secretory diarrhea and increased fecal neutrophils.

Accepted Answer

A) True 
 B)False

Question 2

Microbial infections produce osmotic diarrhea.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following pairings of stool appearance and cause does not match?

Accepted Answer

A)   Black, tarry: blood
B)   Yellow-green: barium sulfate
C)   Pale, frothy: steatorrhea
D)   Yellow-gray: bile duct obstruction

Question 4

Microscopic examination of stools for fecal cells provides preliminary information as to the cause of diarrhea because:

Accepted Answer

A)   Neutrophils are present in conditions caused by toxin-producing bacteria
B)   Neutrophils are present in conditions that affect the intestinal wall
C)   Red and white blood cells are present if the cause is malabsorption
D)   Neutrophils are present if the condition is of nonbacterial etiology

Question 5

Wet preparations for the detection of fecal neutrophils are stained with:

Accepted Answer

A)   Gram stain
B)   Wright's stain
C)   Sudan III
D)   Methylene blue

Question 6

A patient whose stool exhibits increased fats,undigested muscle fibers,and the inability to digest gelatin may have:

Accepted Answer

A)   Lactose intolerance
B)   Cystic fibrosis
C)   A duodenal ulcer
D)   A bacterial dysentery

Question 7

A positive lactoferrin latex agglutination test can indicate which of the following?

Accepted Answer

A)   Lower GI bleeding
B)   Biliary obstruction
C)   Cystic fibrosis
D)   Enteroinvasive Escherichia coli

Question 8

Steatorrhea is seen in association with decreased elastase 1 in the feces.

Accepted Answer

A) True 
 B)False  True

Question 9

The Apt test should not be performed on a black,tarry stool.

Accepted Answer

A) True 
 B)False  True

Question 10

Before and during collection of a sample for quantitative fecal fats,a patient should:

Accepted Answer

A)   Consume 100 g of fat per day
B)   Consume less than 10 g of fat per day
C)   Increase usual fat intake by 20%
D)   Maintain a soft or liquid diet A

Question 11

The neutral fat and split fat stains are confirmatory tests for steatorrhea.

Accepted Answer

A) True 
 B)False

Question 12

A bloody stool from a neonate should be emulsified in water,centrifuged,and the supernatant tested with:

Accepted Answer

A)   Clinitest
B)   Guaiac reagent
C)   Gelatin
D)   NaOH

Question 13

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility:
-Malabsorption

Accepted Answer

A)   Osmotic diarrhea
B)   Secretory diarrhea
C)   Altered motility

Question 14

A bloody stool produced by a newborn should:

Accepted Answer

A)   Have an Apt test performed on it
B)   Be tested with guaiac reagent
C)   Be emulsified and tested for trypsin
D)   Have a Clinitest performed on it

Question 15

The term occult blood in fecal analysis can indicate which of the following?

Accepted Answer

A)   Blood that is produced in the lower GI tract
B)   Blood that is produced in the upper GI tract
C)   Blood that is not visibly apparent in the stool specimen
D)   Blood that produces a black, tarry stool

Question 16

State whether or not the following scenarios should be of concern to a laboratory supervisor and why:
-Quantitative fecal fat testing performed on a patient maintained on a diet of 100 g of fat per day is 5 g per day.The coefficient of fat retention is reported as normal.

Accepted Answer

A)   Concerned; the normal coefficient of fat is 100%
B)   Not concerned; 95% retention is normal

Question 17

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility:
-Shigella dysentery

Accepted Answer

A)   Osmotic diarrhea
B)   Secretory diarrhea
C)   Altered motility

Question 18

Increased neutrophils in a stool sample may indicate that the patient has which of the following?

Accepted Answer

A)   Staphylococcal food poisoning
B)   Pancreatic insufficiency
C)   Lower GI bleeding
D)   Salmonella infection

Question 19

Microscopic screening of a pale,frothy stool from a patient with prolonged diarrhea is performed for fecal neutrophils,fats,and meat fibers.The fecal neutrophil examination result is negative,increased large and small orange droplets are seen in the fat stains,and 10 unstriated muscle fibers are observed.
-Based on the information provided,what type of diarrhea is suggested by these results?

Accepted Answer

A)   Secretory
B)   Rapid gastric emptying
C)   Osmotic
D)   Altered motility

Question 20

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility:
-Irritable bowel syndrome

Accepted Answer

A)   Osmotic diarrhea
B)   Secretory diarrhea
C)   Altered motility

Exam 14: Fecal Analysis

Staphylococcal food poisoning produces secretory diarrhea and increased fecal neutrophils.

Correct Answer
verified

Microbial infections produce osmotic diarrhea.

Correct Answer
verified

Which of the following pairings of stool appearance and cause does not match?

Correct Answer
verified

Microscopic examination of stools for fecal cells provides preliminary information as to the cause of diarrhea because:

Correct Answer
verified

Wet preparations for the detection of fecal neutrophils are stained with:

Correct Answer
verified

A patient whose stool exhibits increased fats,undigested muscle fibers,and the inability to digest gelatin may have:

Correct Answer
verified

A positive lactoferrin latex agglutination test can indicate which of the following?

Correct Answer
verified

Steatorrhea is seen in association with decreased elastase 1 in the feces.

Correct Answer
verified
True

The Apt test should not be performed on a black,tarry stool.

Correct Answer
verified
True

Before and during collection of a sample for quantitative fecal fats,a patient should:

Correct Answer
verified
A

The neutral fat and split fat stains are confirmatory tests for steatorrhea.

Correct Answer
verified

A bloody stool from a neonate should be emulsified in water,centrifuged,and the supernatant tested with:

Correct Answer
verified

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility: -Malabsorption

Correct Answer
verified

A bloody stool produced by a newborn should:

Correct Answer
verified

The term occult blood in fecal analysis can indicate which of the following?

Correct Answer
verified

State whether or not the following scenarios should be of concern to a laboratory supervisor and why: -Quantitative fecal fat testing performed on a patient maintained on a diet of 100 g of fat per day is 5 g per day.The coefficient of fat retention is reported as normal.

Correct Answer
verified

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility: -Shigella dysentery

Correct Answer
verified

Increased neutrophils in a stool sample may indicate that the patient has which of the following?

Correct Answer
verified

Correct Answer
verified

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility: -Irritable bowel syndrome

Correct Answer
verified

Exam 14: Fecal Analysis

Staphylococcal food poisoning produces secretory diarrhea and increased fecal neutrophils.

Correct AnswerverifiedShow Answer

Microbial infections produce osmotic diarrhea.

Correct AnswerverifiedShow Answer

Which of the following pairings of stool appearance and cause does not match?

Correct AnswerverifiedShow Answer

Microscopic examination of stools for fecal cells provides preliminary information as to the cause of diarrhea because:

Correct AnswerverifiedShow Answer

Wet preparations for the detection of fecal neutrophils are stained with:

Correct AnswerverifiedShow Answer

A patient whose stool exhibits increased fats,undigested muscle fibers,and the inability to digest gelatin may have:

Correct AnswerverifiedShow Answer

A positive lactoferrin latex agglutination test can indicate which of the following?

Correct AnswerverifiedShow Answer

Steatorrhea is seen in association with decreased elastase 1 in the feces.

Correct AnswerverifiedTrue

The Apt test should not be performed on a black,tarry stool.

Correct AnswerverifiedTrue

Before and during collection of a sample for quantitative fecal fats,a patient should:

Correct AnswerverifiedA

The neutral fat and split fat stains are confirmatory tests for steatorrhea.

Correct AnswerverifiedShow Answer

A bloody stool from a neonate should be emulsified in water,centrifuged,and the supernatant tested with:

Correct AnswerverifiedShow Answer

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility: -Malabsorption

Correct AnswerverifiedShow Answer

A bloody stool produced by a newborn should:

Correct AnswerverifiedShow Answer

The term occult blood in fecal analysis can indicate which of the following?

Correct AnswerverifiedShow Answer

State whether or not the following scenarios should be of concern to a laboratory supervisor and why: -Quantitative fecal fat testing performed on a patient maintained on a diet of 100 g of fat per day is 5 g per day.The coefficient of fat retention is reported as normal.

Correct AnswerverifiedShow Answer

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility: -Shigella dysentery

Correct AnswerverifiedShow Answer

Increased neutrophils in a stool sample may indicate that the patient has which of the following?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

State whether each of the following scenarios relates to osmotic diarrhea,secretory diarrhea,or altered motility: -Irritable bowel syndrome

Correct AnswerverifiedShow Answer

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True

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True

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A

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