HESI A2 Practice Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

HESI A2 Practice Test Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
Which of the following is NOT a type of muscle tissue?

A) Cardiac

B) Smooth

C) Skeletal

D) Connective


✔✔D) Connective




What is the main function of the large intestine?

A) Absorb nutrients

B) Absorb water and form feces

C) Produce enzymes

D) Filter toxins


✔✔B) Absorb water and form feces




Which hormone regulates blood sugar levels?


1

,A) Insulin

B) Adrenaline

C) Thyroxine

D) Cortisol


✔✔A) Insulin




What is the name of the protein that carries oxygen in red blood cells?

A) Albumin

B) Hemoglobin

C) Collagen

D) Keratin


✔✔B) Hemoglobin




Which organ is primarily responsible for filtering blood and producing urine?

A) Liver

B) Kidney

C) Lung

D) Heart


2

,✔✔B) Kidney




What is the name of the thin, outermost layer of the skin?

A) Dermis

B) Epidermis

C) Hypodermis

D) Subcutaneous


✔✔B) Epidermis




Which type of blood vessel carries blood away from the heart?

A) Veins

B) Arteries

C) Capillaries

D) Venules


✔✔B) Arteries




What is the chemical symbol for water?

A) CO2


3

, B) H2O

C) O2

D) NaCl


✔✔B) H2O




Which organelle is known as the "powerhouse of the cell"?

A) Nucleus

B) Ribosome

C) Mitochondria

D) Golgi apparatus


✔✔C) Mitochondria




What gas do humans inhale to survive?

A) Carbon dioxide

B) Nitrogen

C) Oxygen

D) Helium


✔✔C) Oxygen


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