HESI LPN-ADN Mobility Entrance Exam
3 QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2025
1. Which of the following organs is primarily responsible for
detoxification of chemicals in the body?
A. Heart
B. Kidney
C. Liver
D. Pancreas
The liver processes toxins and drugs, making them easier for the body
to excrete.
2. What is the primary function of hemoglobin?
A. Fight infections
B. Carry oxygen
C. Form blood clots
, D. Maintain blood pressure
Hemoglobin binds to oxygen in the lungs and transports it to the
body's tissues.
3. A nurse is caring for a patient with edema. Which electrolyte is likely
involved?
A. Sodium
B. Potassium
C. Calcium
D. Magnesium
Sodium helps regulate fluid balance; excessive sodium can lead to
water retention and edema.
4. What is the meaning of the prefix “tachy-”?
A. Slow
B. Fast
C. Weak
D. Strong
“Tachy-” refers to an abnormally fast rate, often used in terms like
tachycardia.
5. Which of the following is an example of active immunity?
A. Immune globulin injection
B. Recovery from chickenpox
C. Breastfeeding
D. Placental antibody transfer
, Active immunity develops after exposure to an antigen, as with natural
infection.
6. Which hormone regulates the sleep-wake cycle?
A. Melatonin
B. Serotonin
C. Cortisol
D. Insulin
Melatonin, secreted by the pineal gland, helps regulate circadian
rhythms.
7. What type of tissue connects muscles to bones?
A. Ligament
B. Tendon
C. Cartilage
D. Fascia
Tendons attach muscles to bones, allowing movement during
contraction.
8. Which part of the brain controls balance and coordination?
A. Cerebrum
B. Medulla
C. Hypothalamus
D. Cerebellum
The cerebellum coordinates voluntary movements and maintains
posture and balance.
, 9. What is the normal range for adult respiratory rate?
A. 8-14 breaths/min
B. 10-16 breaths/min
C. 12-20 breaths/min
D. 18-28 breaths/min
The expected adult respiratory rate is 12–20 breaths per minute.
10. Which lab value would most likely be elevated in a patient with
kidney dysfunction?
A. Creatinine
B. Hemoglobin
C. Albumin
D. Calcium
Creatinine is a waste product filtered by the kidneys; elevated levels
suggest renal impairment.
11. Which of the following is a primary prevention strategy?
A. Pap smear
B. Immunization
C. Chemotherapy
D. Physical therapy
Immunization prevents disease before it occurs, making it a primary
prevention measure.
3 QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2025
1. Which of the following organs is primarily responsible for
detoxification of chemicals in the body?
A. Heart
B. Kidney
C. Liver
D. Pancreas
The liver processes toxins and drugs, making them easier for the body
to excrete.
2. What is the primary function of hemoglobin?
A. Fight infections
B. Carry oxygen
C. Form blood clots
, D. Maintain blood pressure
Hemoglobin binds to oxygen in the lungs and transports it to the
body's tissues.
3. A nurse is caring for a patient with edema. Which electrolyte is likely
involved?
A. Sodium
B. Potassium
C. Calcium
D. Magnesium
Sodium helps regulate fluid balance; excessive sodium can lead to
water retention and edema.
4. What is the meaning of the prefix “tachy-”?
A. Slow
B. Fast
C. Weak
D. Strong
“Tachy-” refers to an abnormally fast rate, often used in terms like
tachycardia.
5. Which of the following is an example of active immunity?
A. Immune globulin injection
B. Recovery from chickenpox
C. Breastfeeding
D. Placental antibody transfer
, Active immunity develops after exposure to an antigen, as with natural
infection.
6. Which hormone regulates the sleep-wake cycle?
A. Melatonin
B. Serotonin
C. Cortisol
D. Insulin
Melatonin, secreted by the pineal gland, helps regulate circadian
rhythms.
7. What type of tissue connects muscles to bones?
A. Ligament
B. Tendon
C. Cartilage
D. Fascia
Tendons attach muscles to bones, allowing movement during
contraction.
8. Which part of the brain controls balance and coordination?
A. Cerebrum
B. Medulla
C. Hypothalamus
D. Cerebellum
The cerebellum coordinates voluntary movements and maintains
posture and balance.
, 9. What is the normal range for adult respiratory rate?
A. 8-14 breaths/min
B. 10-16 breaths/min
C. 12-20 breaths/min
D. 18-28 breaths/min
The expected adult respiratory rate is 12–20 breaths per minute.
10. Which lab value would most likely be elevated in a patient with
kidney dysfunction?
A. Creatinine
B. Hemoglobin
C. Albumin
D. Calcium
Creatinine is a waste product filtered by the kidneys; elevated levels
suggest renal impairment.
11. Which of the following is a primary prevention strategy?
A. Pap smear
B. Immunization
C. Chemotherapy
D. Physical therapy
Immunization prevents disease before it occurs, making it a primary
prevention measure.
