MLT 111 - Urinalysis Final UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Normal flora is predominantly of which genus?
a. Mobiluncus species
b. Gardnerella species
c. Bacteroides species
d. Lactobacillus species - CORRECT ANSWER - d. Lactobacillus species
Which of the following conditions is not likely if a vaginal pH value is greater than 4.5?
a. Vulvovaginal candidiasis
b. Trichomoniasis
c. Desquamative inflammatory vaginitis
d. Bacterial vaginosis - CORRECT ANSWER - a. Vulvovaginal candidiasis
Which of the following would not cause diarrhea?
a. Disruption of the normal intestinal bacterial flora
b. Addition of pathogenic organisms to the normal intestinal flora
c. Increased reabsorption of intestinal water and electrolytes
d. Increased concentration of fecal electrolytes - CORRECT ANSWER - c. Increased
reabsorption of intestinal water and electrolytes
Which of the following pairings of stool appearance and cause does not agree?
a. Black, tarry: blood
b. Yellow-green: barium sulfate
c. Pale, frothy: steatorrhea
,d. Yellow-gray: bile duct obstruction - CORRECT ANSWER - b. Yellow-green: barium
sulfate
An amniocentesis is performed on a woman whose last two pregnancies have resulted in
stillbirths due to hemolytic disease of the fetus and newborn. A screening test performed at the
hospital is positive for bilirubin, and the specimen is sent to a reference laboratory for a bilirubin
scan. Doctors are concerned when the report comes back negative, and they question if the:
a. Correct specimen was sent
b. Specimen was refrigerated
c. Specimen was exposed to light
d. Specimen reached the reference laboratory within 30 minutes - CORRECT ANSWER -
c. Specimen was exposed to light
True or false? Meconium is composed of bowel constituents. - CORRECT ANSWER -
True
A black, tarry looking stool is indicative of:
a. Upper gastrointestinal (GI) bleeding
b. Lower GI bleeding
c. Excess fat
d. Excess carbohydrates - CORRECT ANSWER - a. Upper gastrointestinal (GI) bleeding
The volume of amniotic fluid increases after the first trimester as a result of:
a. Increased maternal blood flow to the fetus
b. Diffusion of interstitial fluid
c. Production of fetal urine
d. Increased fetal swallowing - CORRECT ANSWER - c. Production of fetal urine
Hemolytic disease of the fetus and newborn is caused by:
a. Abnormal maternal hemoglobins
,b. Abnormal fetal hemoglobins
c. Maternal antibodies
d. Fetal antibodies - CORRECT ANSWER - c. Maternal antibodies
A female patient presents to her OB/GYN with the following complaints: genital itching,
dysuria, and an abnormal looking white "chunky" substance on her undergarments. The
immediate next step the physician should take is:
a. Order DNA and PCR testing
b. Perform a saline wet prep
c. Perform a whiff test and KOH test
d. Send the patient home - CORRECT ANSWER - b. Perform a saline wet prep
True or false? Amniotic fluid for cytogenetic analysis should be delivered to the laboratory in
ice. - CORRECT ANSWER - False
The term occult blood in fecal analysis can indicate which of the following?
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 - CORRECT ANSWER - c. Blood that is not
visibly apparent in the stool specimen
The presence of a fetal neural tube disorder may be detected by:
a. Increased amniotic fluid bilirubin
b. Increased maternal serum alpha fetoprotein
c. Decreased amniotic fluid phosphatidyl glycerol
d. Decreased maternal serum acetylcholinesterase - CORRECT ANSWER - b. Increased
maternal serum alpha fetoprotein
, Crystals seen in a stool after it has been mixed with acetic acid, Sudan III stain, and heated may
be composed of:
a. Neutral fats
b. Fatty acids
c. Cholesterol
d. Fatty acid soaps - CORRECT ANSWER - c. Cholesterol
True or false? The volume of amniotic fluid is regulated by fetal swallowing. - CORRECT
ANSWER - True
Microscopic examination of stools for fecal cells provides preliminary information as to the
cause of diarrhea because:
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 - CORRECT
ANSWER - b. Neutrophils are present in conditions that affect the intestinal wall
A pale, frothy looking stool is indicative of:
a. Upper GI bleeding
b. Lower GI bleeding
c. Excess fat
d. Excess carbohydrates - CORRECT ANSWER - c. Excess fat
True or false? Production of both lecithin and sphingomyelin increases after 35 weeks' gestation.
- CORRECT ANSWER - False
Which of the following specimen handling combinations is incorrect?
a. Trichomonas: room temperature
ACTUAL Exam Questions and CORRECT
Answers
Normal flora is predominantly of which genus?
a. Mobiluncus species
b. Gardnerella species
c. Bacteroides species
d. Lactobacillus species - CORRECT ANSWER - d. Lactobacillus species
Which of the following conditions is not likely if a vaginal pH value is greater than 4.5?
a. Vulvovaginal candidiasis
b. Trichomoniasis
c. Desquamative inflammatory vaginitis
d. Bacterial vaginosis - CORRECT ANSWER - a. Vulvovaginal candidiasis
Which of the following would not cause diarrhea?
a. Disruption of the normal intestinal bacterial flora
b. Addition of pathogenic organisms to the normal intestinal flora
c. Increased reabsorption of intestinal water and electrolytes
d. Increased concentration of fecal electrolytes - CORRECT ANSWER - c. Increased
reabsorption of intestinal water and electrolytes
Which of the following pairings of stool appearance and cause does not agree?
a. Black, tarry: blood
b. Yellow-green: barium sulfate
c. Pale, frothy: steatorrhea
,d. Yellow-gray: bile duct obstruction - CORRECT ANSWER - b. Yellow-green: barium
sulfate
An amniocentesis is performed on a woman whose last two pregnancies have resulted in
stillbirths due to hemolytic disease of the fetus and newborn. A screening test performed at the
hospital is positive for bilirubin, and the specimen is sent to a reference laboratory for a bilirubin
scan. Doctors are concerned when the report comes back negative, and they question if the:
a. Correct specimen was sent
b. Specimen was refrigerated
c. Specimen was exposed to light
d. Specimen reached the reference laboratory within 30 minutes - CORRECT ANSWER -
c. Specimen was exposed to light
True or false? Meconium is composed of bowel constituents. - CORRECT ANSWER -
True
A black, tarry looking stool is indicative of:
a. Upper gastrointestinal (GI) bleeding
b. Lower GI bleeding
c. Excess fat
d. Excess carbohydrates - CORRECT ANSWER - a. Upper gastrointestinal (GI) bleeding
The volume of amniotic fluid increases after the first trimester as a result of:
a. Increased maternal blood flow to the fetus
b. Diffusion of interstitial fluid
c. Production of fetal urine
d. Increased fetal swallowing - CORRECT ANSWER - c. Production of fetal urine
Hemolytic disease of the fetus and newborn is caused by:
a. Abnormal maternal hemoglobins
,b. Abnormal fetal hemoglobins
c. Maternal antibodies
d. Fetal antibodies - CORRECT ANSWER - c. Maternal antibodies
A female patient presents to her OB/GYN with the following complaints: genital itching,
dysuria, and an abnormal looking white "chunky" substance on her undergarments. The
immediate next step the physician should take is:
a. Order DNA and PCR testing
b. Perform a saline wet prep
c. Perform a whiff test and KOH test
d. Send the patient home - CORRECT ANSWER - b. Perform a saline wet prep
True or false? Amniotic fluid for cytogenetic analysis should be delivered to the laboratory in
ice. - CORRECT ANSWER - False
The term occult blood in fecal analysis can indicate which of the following?
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 - CORRECT ANSWER - c. Blood that is not
visibly apparent in the stool specimen
The presence of a fetal neural tube disorder may be detected by:
a. Increased amniotic fluid bilirubin
b. Increased maternal serum alpha fetoprotein
c. Decreased amniotic fluid phosphatidyl glycerol
d. Decreased maternal serum acetylcholinesterase - CORRECT ANSWER - b. Increased
maternal serum alpha fetoprotein
, Crystals seen in a stool after it has been mixed with acetic acid, Sudan III stain, and heated may
be composed of:
a. Neutral fats
b. Fatty acids
c. Cholesterol
d. Fatty acid soaps - CORRECT ANSWER - c. Cholesterol
True or false? The volume of amniotic fluid is regulated by fetal swallowing. - CORRECT
ANSWER - True
Microscopic examination of stools for fecal cells provides preliminary information as to the
cause of diarrhea because:
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 - CORRECT
ANSWER - b. Neutrophils are present in conditions that affect the intestinal wall
A pale, frothy looking stool is indicative of:
a. Upper GI bleeding
b. Lower GI bleeding
c. Excess fat
d. Excess carbohydrates - CORRECT ANSWER - c. Excess fat
True or false? Production of both lecithin and sphingomyelin increases after 35 weeks' gestation.
- CORRECT ANSWER - False
Which of the following specimen handling combinations is incorrect?
a. Trichomonas: room temperature
