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BMAT考試：科學(xué)知識與應(yīng)用練習(xí)

In order to function, the cells of the brain need

large amounts of energy. Any reduction in the function of these cells can have

serious consequences for the body. For example, a loss of oxygen supply to the

brain can cause unconsciousness within 5–10 seconds.

Which of the following statements are true?

1 Neuronsin the brain are capable of relying on anaerobic respiration for long periodsof time.

2 Thehomeostatic systems of the body will constantly have to work to resisttemperature increases in the brain.

3 Anoverdose of insulin in the body could produce a serious loss of brain function,such as inducing a coma.

4 Duringnormal functioning of neurons in the brain, high levels of carbon dioxide couldbe produced.

A ? 1 and 2 only

B ? 1 and 3 only

C ? 2 and 3 only

D ? 2 and 4 only

E ? 1, 3 and 4 only

F ? 1, 2 and 4 only

G ? 2, 3 and 4 only

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