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Chamberlain College of Nursing : BIOS 252 Final Exam / BIOS252 Final Exam (Essay Questions & Answers)(NEW, 2020) : Anatomy and Physiology-II (Verified answers, Download to score A) $10.49
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BIOS 252 / BIOS252 : Anatomy and Physiology II (BIOS252)
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Chamberlain College of Nursing : BIOS 252 Final Exam / BIOS252 Final Exam (Essay Questions & Answers)(NEW, 2020) : Anatomy and Physiology-II (Verified answers, Download to score A)
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BIOS 252 / BIOS252 : Anatomy and Physiology II (BIOS252)
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Chamberlain College Of Nursing
Chamberlain College of Nursing : BIOS 252 Final Exam / BIOS252 Final Exam (Essay Questions & Answers)(NEW, 2020) : Anatomy and Physiology-II
Chamberlain College of Nursing : BIO 252 Final Exam / BIO252 Final Exam (Essay Questions & Answers)(NEW, 2020) : Anatomy and Physiology-II
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chamberlain college of nursing bios 252 final exam bios252 final exam essay questions answersnew
2020 anatomy and physiology ii chamberlain college of nursing bio 252 final exam bio
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BIOS 252 / BIOS252 : Anatomy and Physiology II (BIOS252)
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BIOS 252 Final Exam
Essay Questions & Answers
1. Define spinal reflex and use an example from the body to illustrate a spinal reflex. (Page
446)
Spinal Reflex – when integration takes place in the spinal cord gray matter
If you pick up something hot, the grasping muscles may relax and you may drop the hot object
even before you are consciously aware of the extreme heat or pain. This is an example of
a spinal cord reflex—a quick, automatic response to certain kinds of stimuli that involves
neurons only in the spinal nerves and spinal cord.
2. Describe sleep and its major stages and then contrast sleep to coma - how are they similar
and how do they differ. (Page 570)
Sleep is a state of altered consciousness or partial unconsciousness from which a person can
be aroused
Coma is a state of unconsciousness in which a person has little or no response to stimuli
Alpha waves- stage 1 (drowsy)
Sleep Spindles – Stage 2 light sleep
Theta and delta waves – stags 3-4 deep sleep
Beta waves- fully awake eyes open
Brain Waves:
Alpha waves – awake and resting
Beta Waves – mental and sensory activity
Theta Waves – emotional distress
Delta Waves – Deep sleep in adults
3.Explain language usage and comprehension including a description of the two major language
areas of the brain, where they are located and what they are specialized to accomplish,
including what happens when damage occurs to either area.
Broca’s Area:
Located in the frontal lobe left hemisphere, deals with speaking and understanding language
that involve sensory association and motor areas at the cortex
Wernicke’s Area:
, Located in the left temporal & parietal lobes left hemisphere, interprets the meaning of
speech by recognizing spoken words, translates words into thoughts
Damage to Broca’s:
Cerebrovascular accident (CVA) means understand words but cannot speak your thoughts
Damage to Wernicke’s:
Can speak but cannot arrange words in a coherent fashion
4.Compare and contrast the cochlea and the vestibular apparatus, discussing their anatomical
and physiological differences.
The inner ear is divided into 2 categories: the cochlea and vestibular apparatus.
Cochlea – snail shape boney spinal canal makes 3 turns around a boney cord and divided
into 3 channels
Vestibular apparatus – is the oval central portion of the boney labyrinth the membranous
labyrinth in the vestibule consists of two sacs the utricle and saccule which are connected
by a small duct coming from the vestibule are 3 boney semicircular canals
5.Explain the process of light reflecting off an object will pass through the eye. Include all
relevant structures and indicate how the photon is transduced into an electrochemical signal in
the brain. Include the major regions involved in visual transduction.
Light rays reflecting distant objects are focused on the retina after they passed through the
cornea, aqueous humor, the lens, and vitreous humor. As light passes through the eye they
experience refraction, which is the change in direction of light rays as they transition
between different materials. Once the light rays are focused on the retina, the formed image
is processed by photoreceptor cells called rods and cones. These photoreceptors relay the
signal to the brain by the optic nerve.
6. Explain the control of estrogen and progesterone through the endocrine system.
FSH – stimulates follicular cells to secrete estrogen, which is the female sex hormone
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