TEAS Test 6, Science Multiple Choice
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
Which organ can regenerate itself even after losing a portion of its tissue?
A. Heart
B. Kidney
C. Lung
✔✔ D. Liver
What would happen if the diaphragm stopped functioning?
A. Blood circulation would increase
B. Digestion would slow down
✔✔ C. Breathing would stop
D. The heart would stop beating
Which part of the eye is responsible for detecting color?
✔✔ A. Cones
B. Cornea
1
,C. Optic nerve
D. Rods
Why do humans get goosebumps?
A. To absorb moisture
B. To improve blood circulation
✔✔ C. To help with heat retention
D. To scare predators
Which part of the brain is the first to react in a fight-or-flight situation?
✔✔ A. Amygdala
B. Cerebellum
C. Medulla oblongata
D. Occipital lobe
What would happen if the small intestine stopped absorbing nutrients?
A. Digestion would speed up
B. The liver would produce more bile
2
,✔✔ C. The body would become malnourished
D. Oxygen levels in blood would decrease
Why does lactic acid build up in muscles?
✔✔ A. Due to a lack of oxygen during intense exercise
B. As a response to dehydration
C. Because of too much water intake
D. To store extra energy
What happens when the epiglottis fails to function properly?
✔✔ A. Food can enter the airway, causing choking
B. Saliva production stops
C. The intestines stop absorbing water
D. The stomach can't process food
Why do veins appear blue under the skin?
A. Because blood is actually blue inside the body
B. Because of high blood pressure
3
, C. Due to oxygen levels in veins
✔✔ D. Because light interacts with the skin and blood differently
What would happen if the myelin sheath around neurons was damaged?
A. Blood cells would stop producing
✔✔ B. Nerve impulses would slow down
C. Muscle contractions would increase
D. The immune system would weaken
Which bodily function would be affected if the hypothalamus stopped working?
A. Hearing
B. Red blood cell production
✔✔ C. Temperature regulation
D. Lung expansion
What happens when a person breathes in too much carbon dioxide?
A. Heart rate slows down
B. The brain stops sending nerve signals
4
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
Which organ can regenerate itself even after losing a portion of its tissue?
A. Heart
B. Kidney
C. Lung
✔✔ D. Liver
What would happen if the diaphragm stopped functioning?
A. Blood circulation would increase
B. Digestion would slow down
✔✔ C. Breathing would stop
D. The heart would stop beating
Which part of the eye is responsible for detecting color?
✔✔ A. Cones
B. Cornea
1
,C. Optic nerve
D. Rods
Why do humans get goosebumps?
A. To absorb moisture
B. To improve blood circulation
✔✔ C. To help with heat retention
D. To scare predators
Which part of the brain is the first to react in a fight-or-flight situation?
✔✔ A. Amygdala
B. Cerebellum
C. Medulla oblongata
D. Occipital lobe
What would happen if the small intestine stopped absorbing nutrients?
A. Digestion would speed up
B. The liver would produce more bile
2
,✔✔ C. The body would become malnourished
D. Oxygen levels in blood would decrease
Why does lactic acid build up in muscles?
✔✔ A. Due to a lack of oxygen during intense exercise
B. As a response to dehydration
C. Because of too much water intake
D. To store extra energy
What happens when the epiglottis fails to function properly?
✔✔ A. Food can enter the airway, causing choking
B. Saliva production stops
C. The intestines stop absorbing water
D. The stomach can't process food
Why do veins appear blue under the skin?
A. Because blood is actually blue inside the body
B. Because of high blood pressure
3
, C. Due to oxygen levels in veins
✔✔ D. Because light interacts with the skin and blood differently
What would happen if the myelin sheath around neurons was damaged?
A. Blood cells would stop producing
✔✔ B. Nerve impulses would slow down
C. Muscle contractions would increase
D. The immune system would weaken
Which bodily function would be affected if the hypothalamus stopped working?
A. Hearing
B. Red blood cell production
✔✔ C. Temperature regulation
D. Lung expansion
What happens when a person breathes in too much carbon dioxide?
A. Heart rate slows down
B. The brain stops sending nerve signals
4
