Leeann is studying for a test on neurotransmission. She wrote in her notes that neurotransmitters are released from the presynaptic neuron when the action potential reaches the terminal and opens ______ channels.
A. sodium
B. potassium
C. chloride
D. calcium
Answer: D
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According to your textbook, ______________ is a risk factor for illnesses such as heart disease and cancer, and elevates a person's risk for having hypertension, a weaker immune system, and high levels of stress hormones
A) resentment B) loneliness C) marriage D) being the youngest child
Which of the following best describe the term dorsal?
a) towards the top of the head b) towards the middle of the head c) towards the bottom of the head d) towards the back of the head
Which of the following statements is true regarding right and left hemisphere functioning?
a) Scientific research supports the claim that "right-brained" people are more creative. b) Scientific research supports the claim that "left-brained" people are more logical. c) Each hemisphere does have some specialized functions but they work together. d) Scientific research suggests that there is no specialized function in either hemisphere.
Surveys indicate that the use of contraception has ____ among 15- to 19-year-olds since 1988
A) increased B) decreased C) stayed the same D) survey results are contradictory.