Sympathetic stimulation causes the heart rate to decrease
Indicate whether the statement is true or false
False
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Select the correct statement regarding chemical synapses
A) The synaptic cleft uses the action potential to transmit a chemical signal to the post synaptic cell. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled. C) Cells with gap junctions use chemical synapses. D) Neurotransmitter receptors are located on the axons terminals of cells.
Glands that secrete hormones into the blood via tissue fluids are
A) exocrine glands. B) mixed glands. C) endocrine glands. D) unicellular glands. E) None of the answers are correct.
Which of the following characteristics is least related to steroid hormones?
a. Binds to intracellular receptor b. Transported bound in the blood c. May bind to hormone response element d. Stimulate protein synthesis e. Utilize a G protein
Choose the incorrect statement regarding calcitonin.
A. It inhibits loss of calcium by bones. B. It lowers blood calcium levels. C. It is made by follicle cells of the thyroid. D. All of the choices are correct.