BIO 253 EXAM 2 LATEST 2023-2024 ACTUAL EXAM 100
QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES |AGRADE
What is the pathway for hearing - ANSWER- Pinna, external auditory meatus, tympanic membrane, bone ossicle, oval window, scala vestibuli, helicotrema, scala tympani, spiral organ, hair cells, cochlear nerve, auditory cortex
Mechanoreceptors different types and what is it for - ANSWER- Touch and pressure
Vicero mechanoreceptors (eating and digestion and kidney filtration)
Hair cells in the ear absorb sound waves
Chemoreceptors - ANSWER- Taste
Viseral chemo receptors - ANSWER- Homeostasis that checks level such as hydrogen oxygen sodium levels
Thermoreceptors - ANSWER- respond to changes in temperature adapts
Nocireceptors - ANSWER- pain receptors 1 / 2
Do not adapt
Proprioceptors - ANSWER- monitor the position and movement of skeletal muscles and joints
Photoreceptors - ANSWER- respond to light
What plexus does the phrenic nerve belong to - ANSWER- Cervical plexus
What plexus does the radial and median and ulnar nerves belong to - ANSWER- Brachial plexus
What plexus does the sciatic nerve belong to - ANSWER- Lumbosacral plexus
What is a plexus - ANSWER- A safeguard or alternate pathway such as if somebody is injured in their sign they may be able to walk again due to a plexus
What cranial nerves control eye movement - ANSWER- Trochler Occulomotor Abducens
What is the vagus nerve - ANSWER- The longest running cranial nerve
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