HESI EXAM PREPARATION 2026 UPDATE WITH
COMPLETE SOLUTIONS.
1. The passage states that the primary function of red blood cells is to:
• A) Fight infection
• B) Transport oxygen
• C) Produce antibodies
• D) Clot blood
Correct Answer: B
Rationale: Red blood cells contain hemoglobin, which binds and transports oxygen
from the lungs to tissues. White blood cells fight infection; platelets are
responsible for clotting.
2. What is the author's main purpose in the passage?
• A) To entertain the reader with a story
• B) To persuade the reader to take action
• C) To inform the reader about a topic
• D) To describe a personal experience
Correct Answer: C
Rationale: The main purpose of an informational passage is to inform or explain.
Look for the overall topic and the author's attitude toward it.
VOCABULARY
3. The word "precarious" most nearly means:
, • A) Secure
• B) Unstable
• C) Predictable
• D) Comfortable
Correct Answer: B
Rationale: "Precarious" means dangerously unstable or insecure. The opposite
would be secure or stable.
4. "The patient exhibited a blatant disregard for dietary restrictions." What is
the meaning of "blatant"?
• A) Subtle
• B) Obvious
• C) Accidental
• D) Minor
Correct Answer: B
Rationale: "Blatant" means completely obvious or conspicuous. It suggests the
disregard was intentional and noticeable.
GRAMMAR
5. Which sentence is grammatically correct?
• A) The nurse gave the medication to the patient and I.
• B) The nurse gave the medication to the patient and me.
• C) The nurse gave the medication to me and the patient.
• D) Both B and C are correct.
,Correct Answer: B
Rationale: "Me" is the objective pronoun used as the object of the preposition
"to." Options A uses the subjective pronoun "I" incorrectly. B and C are both
grammatically correct; B is preferred in formal writing.
6. Identify the grammatical error in the following sentence:
"The client stated they was feeling nauseous."
• A) Subject-verb agreement error
• B) Pronoun-antecedent agreement error
• C) Incorrect word tense
• D) No error
Correct Answer: A
Rationale: "They" is plural but the verb "was" is singular. The sentence should read
"they were feeling nauseous."
MATH
7. A client is prescribed 500 mg of medication. Available tablets are 250 mg
each. How many tablets should the nurse administer?
• A) 1 tablet
• B) 2 tablets
• C) 3 tablets
• D) 4 tablets
Correct Answer: B
*Rationale: 500 mg / 250 mg per tablet = 2 tablets.*
, 8. A patient's temperature is 101.3°F. What is this temperature in Celsius?
(Formula: C = (F - 32) × 5/9)
• A) 36.5°C
• B) 37.5°C
• C) 38.5°C
• D) 39.5°C
Correct Answer: C
*Rationale: (101.3 - 32) × 5/9 = 69.3 × 5/9 = 38.5°C.*
ANATOMY & PHYSIOLOGY
9. Which organ is responsible for filtering waste products from the blood?
• A) Liver
• B) Kidney
• C) Spleen
• D) Pancreas
Correct Answer: B
Rationale: The kidneys filter waste products from the blood to form urine. The liver
processes nutrients and detoxifies chemicals; the spleen filters blood cells; the
pancreas produces insulin and digestive enzymes.
10. The heart chamber that pumps blood to the lungs is the:
• A) Left atrium
• B) Right atrium
• C) Left ventricle
• D) Right ventricle
COMPLETE SOLUTIONS.
1. The passage states that the primary function of red blood cells is to:
• A) Fight infection
• B) Transport oxygen
• C) Produce antibodies
• D) Clot blood
Correct Answer: B
Rationale: Red blood cells contain hemoglobin, which binds and transports oxygen
from the lungs to tissues. White blood cells fight infection; platelets are
responsible for clotting.
2. What is the author's main purpose in the passage?
• A) To entertain the reader with a story
• B) To persuade the reader to take action
• C) To inform the reader about a topic
• D) To describe a personal experience
Correct Answer: C
Rationale: The main purpose of an informational passage is to inform or explain.
Look for the overall topic and the author's attitude toward it.
VOCABULARY
3. The word "precarious" most nearly means:
, • A) Secure
• B) Unstable
• C) Predictable
• D) Comfortable
Correct Answer: B
Rationale: "Precarious" means dangerously unstable or insecure. The opposite
would be secure or stable.
4. "The patient exhibited a blatant disregard for dietary restrictions." What is
the meaning of "blatant"?
• A) Subtle
• B) Obvious
• C) Accidental
• D) Minor
Correct Answer: B
Rationale: "Blatant" means completely obvious or conspicuous. It suggests the
disregard was intentional and noticeable.
GRAMMAR
5. Which sentence is grammatically correct?
• A) The nurse gave the medication to the patient and I.
• B) The nurse gave the medication to the patient and me.
• C) The nurse gave the medication to me and the patient.
• D) Both B and C are correct.
,Correct Answer: B
Rationale: "Me" is the objective pronoun used as the object of the preposition
"to." Options A uses the subjective pronoun "I" incorrectly. B and C are both
grammatically correct; B is preferred in formal writing.
6. Identify the grammatical error in the following sentence:
"The client stated they was feeling nauseous."
• A) Subject-verb agreement error
• B) Pronoun-antecedent agreement error
• C) Incorrect word tense
• D) No error
Correct Answer: A
Rationale: "They" is plural but the verb "was" is singular. The sentence should read
"they were feeling nauseous."
MATH
7. A client is prescribed 500 mg of medication. Available tablets are 250 mg
each. How many tablets should the nurse administer?
• A) 1 tablet
• B) 2 tablets
• C) 3 tablets
• D) 4 tablets
Correct Answer: B
*Rationale: 500 mg / 250 mg per tablet = 2 tablets.*
, 8. A patient's temperature is 101.3°F. What is this temperature in Celsius?
(Formula: C = (F - 32) × 5/9)
• A) 36.5°C
• B) 37.5°C
• C) 38.5°C
• D) 39.5°C
Correct Answer: C
*Rationale: (101.3 - 32) × 5/9 = 69.3 × 5/9 = 38.5°C.*
ANATOMY & PHYSIOLOGY
9. Which organ is responsible for filtering waste products from the blood?
• A) Liver
• B) Kidney
• C) Spleen
• D) Pancreas
Correct Answer: B
Rationale: The kidneys filter waste products from the blood to form urine. The liver
processes nutrients and detoxifies chemicals; the spleen filters blood cells; the
pancreas produces insulin and digestive enzymes.
10. The heart chamber that pumps blood to the lungs is the:
• A) Left atrium
• B) Right atrium
• C) Left ventricle
• D) Right ventricle
