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Bio 252 Final Exam Chamberlain LV questions and answers rated A+ 2024/2025
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Bio 252 Final Exam Chamberlain LV questions and answers rated A+ 2024/2025
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Bio 252 Final Exam Chamberlain LV1. 3 types of papillae - ANS-Vallate, fungiform, foliate
2. 5 primary tastes - ANS--sour
3. -sweet
4. -bitter
5. -salt
6. -umami
7. Abducens (VI) - ANS-movement of eyeballs/eye abduction (motor)
8. absolute refactory period - ANS-another stimulus can come in and nothing happens
9. Accessory (XI) - ANS-Trapezius and Sternocleidomastoid (Motor)
10. shrug shoulders and test head resistance
11. actin - ANS-During active muscle contraction, myosin heads bind to the protein
_______________.
12. actin,myosin - ANS-In a given muscle fiber, the thin filaments are known as
_____________, and the thick filaments are known as _____________.
13. Action of Lipid-Soluble Hormones - ANS-1. Hormone diffuses through phospholipid
bilayer & into cell
14. 2. Binds to receptor turning on/off specific genes
15. 3. New mRNA is formed & directs synthesis of new proteins
16. 4. New protein alters cell's activity
17. Action Potentials - ANS-a sequence of rapidly occurring events that decrease and
reverse the membrane potential and then eventually restore it to the resting state
18. ***allow communication over short and long distances
19. Alzheimer's disease (AD) - ANS-A progressive disease that destroys the brain's
neurons, gradually impairing memory, thinking, language, and other cognitive functions,
resulting in the complete inability to care for oneself; the most common cause of
dementia.
20. anterior cavity of eye - ANS-between cornea and lens, filled with aqueous humor
21. helps maintain shape of eyeball
22. supplies O2 and nutrients to lens and cornea
23. astigmatism - ANS-blurred or distorted vision
24. attention-deficit/hyperactivity disorder (ADHD) - ANS-a disorder characterized by
restlessness, inattentiveness, and impulsivity
25. Auditory association area (22) - ANS-allows you to recognize a particular sound as
speech, music, or noise
26. autocrines - ANS-local hormones that act on the same cell that secreted them
27. axon - ANS-the extension of a neuron, ending in branching terminal fibers, through
which messages pass to other neurons or to muscles or glands
28. axon hillock - ANS-trigger zone
29. basal stem cells - ANS-undergo mitosis to replace specific cells
, 30. Between the pia and arachnoid mater - ANS-Where does CSF circulate?
31. Blood Brain Barrier (BBB) - ANS-protects brain from harmful substances
32. Brachial Plexus - ANS-C5-T1
33. provides almost the entire nerve supply to the shoulders and upper limbs
34. Brachial Plexus: median = C5-T1 - ANS-flexors of forearm
35. Brachial Plexus: radial = C5-T1 - ANS-triceps brachii
36. Brachial Plexus: ulnar = C8-T1 - ANS-flexor carpi ulnaris (funny bone)
37. Brain protection - ANS-1. cranial bones
38. 2. cranial meninges (pia, arachnoid, duramater)
39. 3. CSF
40. 4. BBB
41. brain tumor - ANS-abnormal growth of brain tissue and meninges
42. Brainstem - ANS-medulla oblongata, pons, midbrain
43. Broca's speech area (44,45) - ANS-initiates impulses that result in speech
44. -stroke = clear thoughts but cannot form words
45. calcium - ANS-________________ is released from the sarcoplasmic reticulum and
plays a key role in active muscle contraction
46. cell body - ANS-receives stimuli and produces EPSPs and IPSPs through activation of
ligand gated ion channels
47. Central Nervous System (CNS) - ANS-brain and spinal cord
48. cerebral cortex - ANS-outer region of the cerebrum, containing sheets of nerve cells;
gray matter of the brain
49. cerebrospinal fluid (CSF) - ANS-a liquid that protects the brain and spinal cord against
chemical and physical injuries and it carries oxygen, glucose, and other important
substances from the blood to nervous tissue cells
50. cerebrovascular accident (CVA) - ANS-a.k.a. "Stroke". Lack of blood supply to the brain
causing brain damage
51. ceruminous glands - ANS-produce ear wax
52. Chemoreceptors - ANS-respond to chemicals
53. choroid - ANS-provides blood supply and absorbs scattered light
54. ciliary body - ANS-produces aqueous humor
55. near or far vision
56. Classification of Neurons - ANS-sensory: afferent neurons
57. Inter = association neurons
58. motor= efferent neurons
59. cochlea (snail) - ANS-translates vibrations into neural impulses that the brain can
interpret as sound
60. common integrative area (5,7,39,40) - ANS-bordered by somatosensory, visual, and
auditory association areas.
61. - receives nerve impulses from these areas and from the primary gustatory area, primary
olfactory area, the thalamus, and parts of the brain stem.
62. - integrates sensory interpretations from the association areas and impulses from other
areas, allowing the formation of thoughts based on a variety of sensory inputs. It then
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