Following the release of neurotransmitters across the synapse , and an action potential , which of the following is most likely to take place? a. The synaptic cleft closes temporarily to terminate the action potential. b. The myelin sheath absorbs the excess neurotransmitters. c. The receiving neuron absorbs the neurotransmitter to send to the next neuron. d. The axon disposes of the depleted neurotransmitters. e. The sending neuron reabsorbs the neurotransmitter for reuse.

Morphine is similar to the body's endorphins in that both elevate mood and ease pain. In this instance, morphine is considered to be a(n) a. antagonist. b. synapse. c. ion. d. agonist. e. axon.

Phrenology has been discredited, but which of the following ideas has its origins in phrenology? a. The left brain is more creative than the right brain. b. Brain cavities contribute to sense of humor. c. The left hemisphere lead to emotional responses. d. Specific areas of the brain control specific functions. e. The mind pumps warmth and vitality into the body.

Neurotransmitters cross the ______ to carry information to the next neuron. a. synaptic gap b. axon c. myelin sheath d. dendrites e. cell body

When there is a negative charge inside an axon and a positive charge outside it, the neuron is a. in the process of reuptake. b. not in the refractory period. c. said to have a resting potential. d. said to have an action potential. e. depolarizing.

Choose the best answer.

Transmission of the nerve impulse across a synapse is accomplished by

a. the release of $Na^{+}$ at the presynaptic membrane.

b. the release of neurotransmitters at the postsynaptic membrane.

c. the reception of neurotransmitters at the postsynaptic membrane.

d. Only a and c are correct.

What is a sentinel event in nursing?

Parts of the neuron that can release neurotransmitters?

a. Axon terminals

b. Dendrites

c. Neuron cell bodies

d. Axon varicosities

e. Myelination.

Which of the following communicates with the pituitary, which in turn controls the endocrine system? a. Parathyroid glands b. Autonomic nervous system c. Hypothalamus d. Spinal cord e.Pancreas

A neurotransmitter attaches to a receiving neuron through __________________.

Phrenology has been discredited, but which of the following ideas has its origins in phrenology? a. Brain lateralization. b. Brain cavities contributing to sense of humor. c. Bumps in the left hemisphere leading to emotional responses. d. Brain function localization.

What does The Joint Commission's The Sentinel Event Policy focus on?

Which communication skills would be most helpful when you use e-mail or instant messaging? Which would be more difficult to apply? Use examples to support your answer.

Which neurotransmitters are most likely in undersupply in someone who is depressed? a. Oxytocin and GABA. b. ACh and histamine. c. Dopamine and andenosine. d. Serotonin and norepinephrine. e. Epinephrine and glutamate.