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BIOL 2320 Exam 2 Curtis Walker questions well answered already passed
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BIOL 2320 Exam 2 Curtis Walker questions well answered already passed
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BIOL 2320 Exam 2 Curtis WalkerThalamus (with masa intermedia) - correct answer ✔✔Sends information to the correct part of the
cortex
Hearing, touch, and sight all go through
NOT smell
Pons - correct answer ✔✔Works with cerebellum - helps the cerebellum communicate with both halves
of the body
Medulla - correct answer ✔✔heart rate, blood pressure, breathing
Directly controlled by the hypothalamus
Cerebellum - correct answer ✔✔movement coordination
pituitary gland in sella turcica - correct answer ✔✔Makes hormones
Pineal body - correct answer ✔✔produces melatonin
Commissure - correct answer ✔✔Where nerves cross the middle of the brain
Hypothalamus - correct answer ✔✔Hunger, thirst, fear, sex drive, autonomic nervous system (ANS)
Hormones are controlled here!
Optic chiasm - correct answer ✔✔Where optic nerves cross X
Anterior Commissure - correct answer ✔✔Sense of smell crosses - not super important
,Posterior commissure - correct answer ✔✔coordinates eye movements, very important (closer to
occipital lobes where vision is processed)
Superior colliculus - correct answer ✔✔Orient senses to VISUAL stimuli
Causes you to turn toward visual stimuli in your peripheral
2
Inferior Colliculus - correct answer ✔✔Orient senses to AUDITORY stimuli
Causes you to turn toward the things you hear
Frontal Sinus - correct answer ✔✔cavity within the frontal bone
Sphenoid sinus - correct answer ✔✔Important medically, provides easy access for brain surgery
Superior nasal concha - correct answer ✔✔
Middle nasal concha - correct answer ✔✔
Inferior nasal concha - correct answer ✔✔
Calvarium - correct answer ✔✔The dome-like superior portion of the cranium; that portion removed
during cranial autopsy.
Septum pellucidum - correct answer ✔✔A curtain between the lateral ventricles
Fornix - correct answer ✔✔Part of the emotional brain
Same root of the word as "fornicate"
Odontoid process of axis - correct answer ✔✔Greek for "tooth", serves as the pivot joint to allow for the
rotation of the skull. (Atlas rotates on top of it)
, Cerebral Cortex - correct answer ✔✔outer region of the cerebrum, containing sheets of nerve cells; gray
matter of the brain
Corpus Callosum - correct answer ✔✔The large band of neural fibers connecting the two brain
hemispheres and carrying messages between them
Hippocampus - correct answer ✔✔A neural center located in the limbic system that helps process
explicit memories for storage. Makes new memories - located in the temporal lobe
Amygdala - correct answer ✔✔Directly in front of hippocampus - lights up when very scared or full of
rage. Reaction causes hippocampus to light up and creates very clear memories.
Avoidance of predators.
Melatonin - correct answer ✔✔A hormone manufactured by the pineal gland that produces sleepiness.
In other animals it has a reproductive purpose
Stroke - correct answer ✔✔A lack of blood flow from an artery in the brain
Stroke vs Tumor - correct answer ✔✔Strokes are immediate; tumors have long-term symptoms
What are the four arteries supplying all blood to the brain? - correct answer ✔✔Left and Right Internal
Carotid Arteries
Left and Right Vertebral Arteries
Why might a partially occluded vertebral artery cause fainting, especially when backing a car? - correct
answer ✔✔Blocking blood flow in vertebral artery. The brain stem is what keeps you awake and it
receives blood from the vertebral artery
Aorta - correct answer ✔✔Largest artery in the body
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