MEDSURG FINAL EXAM 1,2&3 TESTS 2026 |ACTUAL EXAM TEST (MULTIPLE CHOICES) AND (RATIONALES) QUESTIONS AND VERIFIED ANSWERS |GET IT 100% ACCURATE!!

MEDSURG FINAL EXAM 1,2&3 TESTS 2026 |ACTUAL EXAM TEST (MULTIPLE CHOICES)
AND (RATIONALES) QUESTIONS AND VERIFIED ANSWERS |GET IT 100% ACCURATE!!




Question 1
During the digestive process, where does the chemical digestion of starch primarily begin?
A) Stomach
B) Esophagus
C) Mouth
D) Small intestine
E) Large intestine
Correct Answer: C) Mouth
Rationale: Digestion begins in the mouth, where food is chewed and mixed with saliva.
Saliva contains the enzyme salivary amylase, which specifically begins the breakdown of
starches into simpler sugars before the food even reaches the stomach.

Question 2
What is the primary function of bile in the digestive tract?
A) Breaking down proteins into peptides
B) Emulsifying fats to increase surface area
C) Neutralizing stomach acid in the duodenum
D) Absorbing Vitamin B12
E) Secreting trypsin to digest carbohydrates
Correct Answer: B) Emulsifying fats to increase surface area
Rationale: Bile, which is produced by the liver and stored in the gallbladder, acts as a
detergent to emulsify fats. This process breaks large fat globules into smaller droplets,
significantly increasing the surface area for the enzyme lipase to act upon and digest fats
into fatty acids and glycerol.

Question 3
Which gastric secretion is essential for the absorption of Vitamin B12 in the small intestine?
A) Hydrochloric acid
B) Pepsin
C) Gastrin
D) Intrinsic factor
E) Salivary amylase
Correct Answer: D) Intrinsic factor
Rationale: Intrinsic factor is a glycoprotein produced by the parietal cells of the stomach. It
is necessary for the absorption of Vitamin B12 in the terminal ileum. A deficiency in
intrinsic factor can lead to pernicious anemia.

Question 4
In the digestive order, what term describes food that has been mixed with gastric juices in the

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stomach?
A) Bolus
B) Feces
C) Chyme
D) Bile
E) Trypsin
Correct Answer: C) Chyme
Rationale: Once food is swallowed (as a bolus) and reaches the stomach, it is churned and
mixed with acidic gastric juices. This semi-liquid mass of partially digested food is called
chyme, which then moves into the small intestine.

Question 5
What is the primary role of the enzyme Trypsin?
A) Breaking down starch in the mouth
B) Emulsifying fats in the duodenum
C) Breaking down proteins in the small intestine
D) Creating an acidic environment in the stomach
E) Digesting lipids into glycerol
Correct Answer: C) Breaking down proteins in the small intestine
Rationale: Trypsin is a proteolytic enzyme produced by the pancreas. It is released into the
small intestine, where it continues the work of protein digestion by breaking them down
into smaller peptides and amino acids.

Question 6
A patient is undergoing a gFOBT (guaiac-based Fecal Occult Blood Test). Which instruction
should the nurse provide?
A) "There are no dietary restrictions for this test."
B) "Avoid red meat and NSAIDs for 72 hours before the test."
C) "You must be NPO for 8 hours before collecting the stool."
D) "Collect the stool sample immediately after a large meal."
E) "Avoid all fluids for 24 hours prior to collection."
Correct Answer: B) "Avoid red meat and NSAIDs for 72 hours before the test."
Rationale: The gFOBT is sensitive to certain substances that can cause false positives. Red
meat contains hemoglobin, and NSAIDs can cause minor gastric irritation/bleeding.
Patients are instructed to avoid these for 72 hours to ensure accuracy. In contrast, the FIT
test (Fecal Immunochemical Test) does not require these restrictions.

Question 7
What is the primary purpose of measuring Carcinoembryonic Antigen (CEA) and CA-19 levels?
A) To diagnose peptic ulcer disease
B) To detect Cho malabsorption

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C) To detect and monitor GI cancers and treatment response
D) To identify the presence of H. pylori
E) To measure liver enzyme toxicity
Correct Answer: C) To detect and monitor GI cancers and treatment response
Rationale: CEA and CA-19 are tumor markers. While not always used for definitive initial
diagnosis, they are elevated in many GI cancers. Clinicians track these levels to monitor
how well a patient is responding to cancer treatments like chemotherapy or surgery.

Question 8
A patient is scheduled for a Urea Breath Test. Which medication must be avoided for at least two
weeks prior to the test?
A) Antacids (Tums)
B) NSAIDs (Ibuprofen)
C) Proton Pump Inhibitors (PPIs)
D) H2 Blockers
E) Antibiotics
Correct Answer: C) Proton Pump Inhibitors (PPIs)
Rationale: PPIs (like Omeprazole) can interfere with the accuracy of the Urea Breath Test,
which detects H. pylori. According to the diagnostic guidelines, PPIs must be avoided for 2
weeks, while antibiotics and bismuth should be avoided for 1 month, and H2 blockers for
24 hours.

Question 9
What does a Hydrogen Breath Test specifically detect?
A) Peptic ulcers caused by bacteria
B) Esophageal strictures and hiatal hernias
C) Carbohydrate malabsorption or bacterial overgrowth
D) Gallstones and enlarged organs
E) Risk for colon cancer via genetic markers
Correct Answer: C) Carbohydrate malabsorption or bacterial overgrowth
Rationale: The Hydrogen Breath Test measures the amount of hydrogen in the breath after
a patient ingests a specific carbohydrate. High levels of hydrogen indicate that the
carbohydrate was not absorbed correctly or that bacteria in the small intestine are
fermenting it excessively.
Question 10
Which GI diagnostic test is the "gold standard" for visualizing the colon and removing polyps?
A) Barium Swallow
B) Capsule Endoscopy
C) Colonoscopy
D) Ultrasound