Ch 14 - Nervous Sys Integration

functions of cerebro spinal fluid

Shock, absorption, waste removal, nutrient support, chemical homeostasis

role of choroid plexus and ependymal cells in formation of CSF

they filter blood and secrete CSF

CSF circulation

lateral, intervent, 3rd, aquaduct, 4th (it just flows down)

how does the BBB keep toxic stuff out?

tight junctions and metabolic barriers

BBB is formed by unique

blood vessels (choroid)

what two things form choroid plexus?

endothelial cells and blood vessels

BBB allows _______, nutrients, ________, glucose, nicotine, and ethanol

water oxygen

BBB blocks waste products, ____, bacteria, and viruses

toxins

BBB allows this to exit the brain into the bloodstream

metabolic waste

The blood brain barrier is not present in areas like this, where the brain and bloodstream is interact freely

circumventular organs

there are this many cranial nerve pairs

12

cranial nerves are part of the _____ nervous system

central

first 3 cranial nerves

olfactory optic oculomotor

cranial nerves 3-7

trochlear trigeminal abducens facial

cranial nerves for eye movement

trochlear and abducens

cranial nerve for hearing and balance

vestibulocochlear

cranial nerves 8&9

vestibulocochlear glossopharyngeal

cranial nerves 10-12

vagus accessory hypoglossal

The senses of taste and smell both utilize receptor cells that are categorized as

chemoreceptors

respond to light

photoreceptors

The type of receptor associated with the joints, tendons, and other connective tissues are

proprioceptors

A cerebral hemorrhage has damaged the primary motor area of a patient's right cerebral cortex. What is the most likely result?

can’t move left arm or leg

Olfaction and hearing are processed in this lobe

temporal

Correct provides critical functions in motivation, logical reasoning, expression of emotion, and social attitudes

frontal

Correct exhibit receipt and association of general body sensations

parietal

taste sensations are consciously perceived here

insula