Which Statement About the Circulatory System of Turtles Is False

question 224

Multiple Choice

Which statement about the circulatory system of turtles is false?

• A) When under water, pulmonary vessels constrict, pulmonary resistance increases, and blood tends to flow into the right aorta and out to the body.
• B) The right aorta contains a mixture of high- and low-oxygen blood.
• C) When turtles breathe, resistance in the pulmonary circuit is lower than resistance in the systemic circuit, and blood tends to flow into the pulmonary artery.
• D) When turtles are under water, pulmonary vessels constrict, pulmonary resistance increases, and blood tends to flow into the left aorta, rather than the pulmonary artery.
• E) When turtles are not breathing, blood flows out of both aortas.

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Definitions:

Pupils

The round, black openings in the center of the irises of the eyes that regulate the amount of light that enters.

Dilates

Refers to the widening or expanding of something, often used in the context of blood vessels or pupils adjusting to light or stress.

Lowers

Decreases in amount, intensity, or magnitude, often used in the context of reducing something to a lesser state or level.

Autonomic Nervous System

A part of the peripheral nervous system that controls involuntary body functions such as heart rate and digestion.