Related Questions

    8.

    Which of the following is true for the effect of steroid hormone?

    A

    They bind to cell surface receptors and activate second messenger systems.

    B

    They bind to intracellular receptors and regulate gene expression.

    C

    They act as enzymes and catalyze specific biochemical reactions.

    D

    They directly open ion channels in the cell membrane.

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    10.

    A rare tumor of the adrenal medulla secretes excessive amounts of catecholamines. Which physiological responses would be observed in a patient with this tumor?

    A

    Decreased heart rate, decreased blood pressure, and hypoglycemia

    B

    Increased heart rate, elevated blood pressure, and hyperglycemia

    C

    Decreased heart rate, elevated blood pressure, and hyperglycemia

    D

    Increased heart rate, decreased blood pressure, and hypoglycemia

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