HESI Digestive System A&P Examination Latest
2026 Questions and Correct Detailed Answers
with Rationales Already Graded A+
SECTION A: BASIC STRUCTURE &
FUNCTION
1.
The primary function of the digestive system is to:
A. Transport oxygen
B. Break down and absorb nutrients
C. Produce hormones only
D. Filter blood
Answer: B
Rationale:
The digestive system processes food into absorbable nutrients.
2.
Which organ is responsible for nutrient absorption?
A. Stomach
B. Small intestine
C. Esophagus
D. Liver
Answer: B
, Rationale:
Most nutrient absorption occurs in the small intestine.
3.
Movement of food through the GI tract is called:
A. Diffusion
B. Peristalsis
C. Osmosis
D. Filtration
Answer: B
Rationale:
Peristalsis is rhythmic muscular contraction.
SECTION B: DIGESTIVE ORGANS
4.
The stomach’s main function is:
A. Absorption of vitamins
B. Mechanical and chemical digestion
C. Blood filtration
D. Hormone production only
Answer: B
Rationale:
The stomach churns food and uses acid/enzymes for digestion.
5.
Which organ produces bile?
2026 Questions and Correct Detailed Answers
with Rationales Already Graded A+
SECTION A: BASIC STRUCTURE &
FUNCTION
1.
The primary function of the digestive system is to:
A. Transport oxygen
B. Break down and absorb nutrients
C. Produce hormones only
D. Filter blood
Answer: B
Rationale:
The digestive system processes food into absorbable nutrients.
2.
Which organ is responsible for nutrient absorption?
A. Stomach
B. Small intestine
C. Esophagus
D. Liver
Answer: B
, Rationale:
Most nutrient absorption occurs in the small intestine.
3.
Movement of food through the GI tract is called:
A. Diffusion
B. Peristalsis
C. Osmosis
D. Filtration
Answer: B
Rationale:
Peristalsis is rhythmic muscular contraction.
SECTION B: DIGESTIVE ORGANS
4.
The stomach’s main function is:
A. Absorption of vitamins
B. Mechanical and chemical digestion
C. Blood filtration
D. Hormone production only
Answer: B
Rationale:
The stomach churns food and uses acid/enzymes for digestion.
5.
Which organ produces bile?
