Mammalian Dive Reflex Quiz

What is the main effect of the mammalian dive reflex?

• Increase in heart rate

• Reduction in heart rate

• Increase in blood pressure

• Reduction in blood pressure

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NGSS.HS-LS1-3

How much can the mammalian dive reflex drop someone's heart rate?

• 5 to 10%

• 10 to 25%

• 25 to 50%

• 50 to 75%

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NGSS.HS-LS1-3

Why does the mammalian dive reflex lower the heart rate?

• To regulate body temperature

• To increase blood flow

• To conserve oxygen

• To help you relax

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NGSS.HS-LS1-3

What happens to the blood flow during the mammalian dive reflex?

• It increases to the extremities

• It stops completely

• It decreases to the extremities

• It remains the same

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NGSS.HS-LS1-3

Which part of the body triggers the mammalian dive reflex?

• Mouth

• Nose

• Ears

• Eyes

What is the function of the trigeminal nerve in the mammalian dive reflex?

• To send signals to the brain

• To control breathing

• To regulate heart rate

• To divert blood flow

What physiological changes occur during the mammalian dive reflex?

• Decrease in lung capacity

• Increase in oxygen levels

• Decrease in blood pressure

• Increase in body temperature

Tags

NGSS.HS-LS1-3