← A&P1 Ch.12 Test
5 Written Questions
5 Matching Questions
- Astrocytes capillaries form what in order to prevent the passage of bacteria/viruses?
- Conduction that occurs in myelinated axons
- Which neuropeptide enhances perception of pain and is inhibited by endorphins and enkephalin?
- What are the four types of ion channels?
- Ions move through plasma membrane along?
- a saltatory conduction
- b substance P
- c leakage, ligand-gated, mechanically-gated, and voltage-gated
- d blood-brain barrier
- e electrochemical gradient
5 Multiple Choice Questions
- enkephalins, endorphins and dynorphins, substance P
- all-or-none principle
- response to input/integration by activating effectors
- brain, cranial nerves, spinal cord, and spinal nerves
5 True/False Questions
What are the four types of neuroglia of the CNS? → multipolar, bipolar, and unipolar
Causes relaxation of smooth muscle → response to input/integration by activating effectors
What ATP/purine is excitatory in PNS and CNS? → adenosine
Period of time when neuron cannot generate another action potential in response to normal threshold stimulus → refractory period
The biogenic amines norepinephrine, epinephrine, and dopamine are categorized as catecholamines and play what role? → norepinephrine: awakening, dreaming
dopamine: emotional, addiction, pleasure