Senses
Which sense is not considered a special sense?
Touch
The nervous system is primarily made of
Neuroglia
What makes up the CNS?
Brain and spinal cord
This is used to classify a neuron
the number of processes from the cell body
Which lobe of the brain controls reasoning, decision making & planning?
Frontal
What two structures help you see in low light?
Rods, pupil wide open
These cells maintain the cerebrospinal fluid
Ependymal cells
The sensory division of the PNS is also known as
Afferent
How many processes does a bipolar neuron have?
2
True or False: The cerebral cortex is made of myelinated axons
False
Which parts of the eye helps with the regulating or focusing light as it comes into the eye? (3 parts!)
Pupil, iris, lens
If these cells were active, it would indicate an infection in the CNS
Microglia
When you tighten your abdominal muscles, what divisions of the nervous system is being used?
Motor; Somatic
When a cell is negatively charged and the environment is positively charged this is known as
resting potential
Which lobe of the brain controls visual processing?
Occipital
If you were looking at an individual eyeball during a dissection and it was flat, what likely happened?
The vitreous humor flowed out
What neuroglia are in the CNS? (4)
Astrocytes, microglia, ependymal cells, oligodendrocytes
Which part of the nervous system can help calm someone down after an emergency has occurred?
Parasympathetic division
When an impulse passes through a neuron, what is the correct order for transmission of the impulse?
dendrites, cell body, axon
Which portion of the brain is responsible for involuntary activities such as posture, breathing, and heart rate?
Brain Stem
Which is the correct order in which sound waves flow through the ear?
auricle, auditory canal, tympanic membrane, ossicles, cochlea
____________ wrap around the axon of a neuron to create the __________________.
Schwann cells, myelin sheath
What division sends impulses from the CNS to muscles and glands?
Motor (Efferent) Division
During the transmission of an action potential across a _________, Ca2+ channels open triggering the synaptic vesicles to release _______ to pass the signal to the postsynaptic neuron.
synapse, neurotransmitters
Deep groove that separates large portions of the brain
Fissure