WGU D115 OA Study Guide
WGU D115 OA Study Guide Questions
and Answers 2025
What type of fibers stimulate the salivary glands? -Correct Answer ✔Cholinergic fibers
What part of the esophagus is innervated by nerve fibers? -Correct Answer ✔The lower
third
What artery provides blood to the stomach? -Correct Answer ✔Celiac artery
What hormone is responsible for the inhibition of stomach contraction? -Correct Answer
✔Secretin
Gastrin increases stomach contraction (aids in motility) and produces acid in the
antrum, duodenum, and pancreas by G-cells
Which cells of the stomach secrete hydrochloric acid and intrinsic factor? -Correct
Answer ✔Parietal cells
Pernicious anemia* (Vitamin B12 deficiency)
Which enzyme is responsible for cleaving fatty acids from phospholipids? -Correct
Answer ✔Phospholipase
Which enzyme is responsible for breaking the end amino acids away from the ingested
protein? -Correct Answer ✔Carboxypeptidase
What is true of unconjugated bilirubin? -Correct Answer ✔Unconjugated bilirubin is
bilirubin bound to albumin.
Also called "free bilirubin"
Define pepsin -Correct Answer ✔Produced in the stomach and breaks down proteins
Think P and P
Define Lipase -Correct Answer ✔Produced by the pancreas and breaks down
triglycerides
Define amylase -Correct Answer ✔Produced in the mouth and breaks down starch
"Amy eats a starchy meal"
WGU D115 OA Study Guide
, WGU D115 OA Study Guide
What are 3 characteristics of celiac disease? -Correct Answer ✔Anemia
Diminished growth
Deficiences in fat-soluble vitamins
Is pyloric stenosis more common in male or female infants ? -Correct Answer ✔Males
A 74-year-old male complains of rectal bleeding for the past year. He has not change in
bowel habits and denies abdominal pain, weight loss, and rectal pain. He has seen
blood in the toilet water and when wiping approximately once every few weeks, but
lately the bleeding has increased. He had colonoscopy 5 year ago. The FNP should: -
Correct Answer ✔Schedule a colonoscopy to look for colon polyps and/or cancer
An overweigh, middle-aged woman has right upper quadrant pain that radiates to her
right subscapular area and is severe and persistent. She is also experiencing anorexia,
nausea, and a fever. Her most recent meal was a double quarter-pound cheeseburger,
French fries, and a milkshake. The FNP examines the abdomen and percusses for CVA
tenderness. the abdomen is tender in the RUQ. Which of the following signs
corresponds with the correct diagnosis? -Correct Answer ✔Murphy's sign: the patient
has cholecystitis
McBurney's sign is related to appendicitis
CVA tenderness is related to UTIs
A sudden onset of diarrhea that consists of five to six loose stools a day and awakens
the pt at night with cramping, but without blood in the stools, would most likely be
caused by what? -Correct Answer ✔Infection
Clues for infection are awakening at night, cramping without blood, sudden onset
Those S/S are either infection or inflammation
The FNP is discussion Clostridium difficile infection with the family of a 68-year-old
female who lives with them and who was recently diagnosed with the infection. Which of
the following statements would be the most important for the family to understand? -
Correct Answer ✔Pt needs to use a different bathroom than the rest of the family
Contact isolation
An older woman is noted to have iron-deficiency anemia. She has no pain or rectal
bleeding. What hx would raise suspicion of a gastric ulcer? -Correct Answer ✔An ankle
sprain requiring 800mg of ibuprofen 3 times a day for the last 6 weeks
WGU D115 OA Study Guide
WGU D115 OA Study Guide Questions
and Answers 2025
What type of fibers stimulate the salivary glands? -Correct Answer ✔Cholinergic fibers
What part of the esophagus is innervated by nerve fibers? -Correct Answer ✔The lower
third
What artery provides blood to the stomach? -Correct Answer ✔Celiac artery
What hormone is responsible for the inhibition of stomach contraction? -Correct Answer
✔Secretin
Gastrin increases stomach contraction (aids in motility) and produces acid in the
antrum, duodenum, and pancreas by G-cells
Which cells of the stomach secrete hydrochloric acid and intrinsic factor? -Correct
Answer ✔Parietal cells
Pernicious anemia* (Vitamin B12 deficiency)
Which enzyme is responsible for cleaving fatty acids from phospholipids? -Correct
Answer ✔Phospholipase
Which enzyme is responsible for breaking the end amino acids away from the ingested
protein? -Correct Answer ✔Carboxypeptidase
What is true of unconjugated bilirubin? -Correct Answer ✔Unconjugated bilirubin is
bilirubin bound to albumin.
Also called "free bilirubin"
Define pepsin -Correct Answer ✔Produced in the stomach and breaks down proteins
Think P and P
Define Lipase -Correct Answer ✔Produced by the pancreas and breaks down
triglycerides
Define amylase -Correct Answer ✔Produced in the mouth and breaks down starch
"Amy eats a starchy meal"
WGU D115 OA Study Guide
, WGU D115 OA Study Guide
What are 3 characteristics of celiac disease? -Correct Answer ✔Anemia
Diminished growth
Deficiences in fat-soluble vitamins
Is pyloric stenosis more common in male or female infants ? -Correct Answer ✔Males
A 74-year-old male complains of rectal bleeding for the past year. He has not change in
bowel habits and denies abdominal pain, weight loss, and rectal pain. He has seen
blood in the toilet water and when wiping approximately once every few weeks, but
lately the bleeding has increased. He had colonoscopy 5 year ago. The FNP should: -
Correct Answer ✔Schedule a colonoscopy to look for colon polyps and/or cancer
An overweigh, middle-aged woman has right upper quadrant pain that radiates to her
right subscapular area and is severe and persistent. She is also experiencing anorexia,
nausea, and a fever. Her most recent meal was a double quarter-pound cheeseburger,
French fries, and a milkshake. The FNP examines the abdomen and percusses for CVA
tenderness. the abdomen is tender in the RUQ. Which of the following signs
corresponds with the correct diagnosis? -Correct Answer ✔Murphy's sign: the patient
has cholecystitis
McBurney's sign is related to appendicitis
CVA tenderness is related to UTIs
A sudden onset of diarrhea that consists of five to six loose stools a day and awakens
the pt at night with cramping, but without blood in the stools, would most likely be
caused by what? -Correct Answer ✔Infection
Clues for infection are awakening at night, cramping without blood, sudden onset
Those S/S are either infection or inflammation
The FNP is discussion Clostridium difficile infection with the family of a 68-year-old
female who lives with them and who was recently diagnosed with the infection. Which of
the following statements would be the most important for the family to understand? -
Correct Answer ✔Pt needs to use a different bathroom than the rest of the family
Contact isolation
An older woman is noted to have iron-deficiency anemia. She has no pain or rectal
bleeding. What hx would raise suspicion of a gastric ulcer? -Correct Answer ✔An ankle
sprain requiring 800mg of ibuprofen 3 times a day for the last 6 weeks
WGU D115 OA Study Guide
