TEAS Test Questions and Answers
Latest Version | 2024/2025 | Correct &
Verified
What structure in the eye controls the amount of light entering the pupil?
✔✔Iris
What is the main function of white blood cells?
✔✔To defend the body against infection and disease
Which part of the neuron is responsible for transmitting electrical signals to other cells?
✔✔Axon
What is the primary function of the endocrine system?
✔✔To produce hormones that regulate various body functions
What is the main role of the digestive system?
✔✔To break down food and absorb nutrients
1
,What structure prevents food from entering the windpipe when swallowing?
✔✔Epiglottis
Which system is responsible for regulating body temperature?
✔✔Integumentary system (skin)
What is the function of the red blood cells?
✔✔To carry oxygen from the lungs to the rest of the body
What part of the heart receives oxygen-depleted blood from the body?
✔✔Right atrium
What is the purpose of the liver in digestion?
✔✔To produce bile, which helps digest fats
What is the main function of the skeletal system?
✔✔To provide structure, support, and protection for the body
2
,What is the role of the pancreas in digestion?
✔✔To produce digestive enzymes and regulate blood sugar levels
Which part of the body produces insulin?
✔✔Pancreas
What is the primary role of the muscular system?
✔✔To allow movement of the body and maintain posture
What part of the brain controls basic vital functions such as heart rate and breathing?
✔✔Medulla oblongata
What is the function of the large intestine?
✔✔To absorb water and form solid waste
Which organ is primarily responsible for regulating the body’s metabolic processes?
✔✔Thyroid gland
3
, What is the function of the gallbladder?
✔✔To store and concentrate bile
What is the main purpose of the urinary system?
✔✔To filter waste from the blood and produce urine
Which part of the cell controls the movement of substances in and out of the cell?
✔✔Cell membrane
What is the function of the epiglottis during swallowing?
✔✔To prevent food from entering the trachea (windpipe)
What is the role of the hypothalamus in the brain?
✔✔To regulate body temperature and maintain homeostasis
Which organ is responsible for producing bile?
✔✔Liver
4
Latest Version | 2024/2025 | Correct &
Verified
What structure in the eye controls the amount of light entering the pupil?
✔✔Iris
What is the main function of white blood cells?
✔✔To defend the body against infection and disease
Which part of the neuron is responsible for transmitting electrical signals to other cells?
✔✔Axon
What is the primary function of the endocrine system?
✔✔To produce hormones that regulate various body functions
What is the main role of the digestive system?
✔✔To break down food and absorb nutrients
1
,What structure prevents food from entering the windpipe when swallowing?
✔✔Epiglottis
Which system is responsible for regulating body temperature?
✔✔Integumentary system (skin)
What is the function of the red blood cells?
✔✔To carry oxygen from the lungs to the rest of the body
What part of the heart receives oxygen-depleted blood from the body?
✔✔Right atrium
What is the purpose of the liver in digestion?
✔✔To produce bile, which helps digest fats
What is the main function of the skeletal system?
✔✔To provide structure, support, and protection for the body
2
,What is the role of the pancreas in digestion?
✔✔To produce digestive enzymes and regulate blood sugar levels
Which part of the body produces insulin?
✔✔Pancreas
What is the primary role of the muscular system?
✔✔To allow movement of the body and maintain posture
What part of the brain controls basic vital functions such as heart rate and breathing?
✔✔Medulla oblongata
What is the function of the large intestine?
✔✔To absorb water and form solid waste
Which organ is primarily responsible for regulating the body’s metabolic processes?
✔✔Thyroid gland
3
, What is the function of the gallbladder?
✔✔To store and concentrate bile
What is the main purpose of the urinary system?
✔✔To filter waste from the blood and produce urine
Which part of the cell controls the movement of substances in and out of the cell?
✔✔Cell membrane
What is the function of the epiglottis during swallowing?
✔✔To prevent food from entering the trachea (windpipe)
What is the role of the hypothalamus in the brain?
✔✔To regulate body temperature and maintain homeostasis
Which organ is responsible for producing bile?
✔✔Liver
4
