What is the oldest and most primitive region of the brain? Select one: a. O b. O d. cerebellum cerebrum diencephalon bra
Posted: Sat Jul 02, 2022 10:10 pm
Neural tissue has minimal extracellular matrix so support and protection come from exter Which of the following is/are involved in this support and protection? Select one: a. O b. O d. cerebrospinal fluid the meninges glial cells outer casing of bone All of the above
What is the correct path for a signal traveling upward from the spinal cord? Select one: a. O b. medulla - hypothalamus → thalamus →pons→ medulla pons medulla → thalamus -> thalamus medulla pons→ hypothalamus → thalamus - - - pons→ hypothalamus → medulla hypothalamus hypothalamus - thalamus pons →
The ion necessary to initiate the release of acetylcholine into the synaptic cleft is Select one: O a. sodium. b. potassium. O c. calcium. O d. chloride. e. zinc. Excitatory neurotransmitters of the CNS usually act by opening_ Select one: O a. Na+ O b. K+ O C. CI- O d. H+ e. Ca2+ channels.
An excitatory postsynaptic potential (EPSP) Select one: O a. depolarizes a neuron, decreasing the likelihood of an action potential. O b. hyperpolarizes a neuron, decreasing the likelihood of an action potential. O c. depolarizes a neuron, increasing the likelihood of an action potential. O d. hyperpolarizes a neuron, increasing the likelihood of an action potential.