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BIO 227 EXAM 5 QUESTIONS WITH CORRECT ANSWERS

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BIO 227 EXAM 5 QUESTIONS WITH CORRECT ANSWERS

Institution
Bio 227
Course
Bio 227

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What does it do to carbohydrate metabolism?


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stimulates glucogenesis




and the innermost layer, the neural layer/nervous layer, of the retina is divided into 3
layers of cells. Name these 3 layers of cells from the outermost layer to the innermost
layer. Closest to inner layer


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Photoreceptor cells, bipolar cells, ganglion cells

,What 2 hormones does the thyroid gland make, where are they specifically made, and
what are their respective functions?


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1. Follicular cells- thyroxine (T4) triiodothyronin (T3) [TH]. stimulate
metabolism help reg. Growth, specific bodily mechanism
2. Parafollicular cells calcionin C cells




What are the 3 types of cells that make up the structure of gustatory receptors?


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(gustatory cells are replaced every 7-10 days) 1. Supporting (sustentacualar)
cells 2.gustatory cells 3. Basal cells




What is needed to produce thyroxine?


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iodine




The lens is suspended just behind the pupil by the


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, suspensory ligament (zonule) that then attach to the :cilary body .




Name 3 types of receptors that respond to pressure


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1. Free nerve ending, 2.Type II Cutaneous Mechanoreceptors, 3.Lamellated
or Pacinian Corpuscles(deep pressure, deep dermis or sub.)




The main mineralocorticoid is


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aldosterone .




Outline how GH works. (what's another name for growth hormone?) Does it act
directly on bone and cartilage to cause them to grow?


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GH- somatotropin somatropic hormone. Acts indirectly on bone and
cartilage, Somatomedin directly causes cartilage to grow GH-liver-
somatomedin (insulin-like growth factor)-cartilage/ bone




How does a negative feedback system work without the direct participation by the
nervous system?

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without direct participation by nervous system (parathyroid hormone).
Parathyroid blood calcium then parathyroid homorne




The final way we may classify the receptors is based on if the receptors are simple or
complex (and widespread or not), name them


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General senses (SIMPLE) Special senses(COMPLEX)




What are the 2 types of conjunctiva and where are they located?


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Palpebral conjuctiva (eyelid) , bulbar conjuctiva(fornix)




What is the study of the structure, function, and diseases of the eye?


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Opthalmolgy




Hyperthyroidism results in

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