SNC Flashcards
Which of the following neurotransmitters is associated with inhibition exclusively?
GABA
What neurotransmitter is released at the neuromuscular junction?
ACETYLCHOLINE
What ion enters a neuron causing depolarization of the cell membrane?
Sodium
Which part of a neuron contains the nucleus?
soma
Which structure predominates in the white matter of the brain?
Myelinated axons
Which adult structure(s) arises from the diencephalon?
Thalamus, hypothalamus, retina
Which lobe of the cerebral cortex is responsible for generating motor commands?
frontal
What is the name for a bundle of axons within a nerve?
Tract SNC Nerve root SNP
Which cranial nerve does not control functions in the head and neck?
vagus
What type of receptor cell is responsible for transducing pain stimuli?
Nociceptor
Which region of gray matter in the spinal cord contains motor neurons that innervate skeletal muscles?
Ventral horn
Which location on the body has the largest region of somatos sensory cortex representing it, according to the sensory homunculus?
Lips
What type of receptor cell is involved in the sensations of sound and balance?
Mechanoreceptor
Axons from which neuron in the retina make up the optic nerve?
Retinal ganglion cells
Which of these locations in the forebrain is the master control center for homeostasis through the autonomic and endocrine systems?
Hypothlamus