BIOS252 COMPREHENSIVE EXAM|| LATELY
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How many chromosomes do humans have?
46 chromosomes (23 pairs)
What are the layers of the epidermis?
stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum
basale (superficial to deep
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What lever system does a bicep curl demonstrate?
3rd class
What is the powerhouse cell?
mitochondria
Which type of cells are striated?
muscle + cardiac
Schwann Cells (neurilemmocytes)
envelop nerve fibers of the PNS. In most cases, a Schwann cell winds repeatedly
around a nerve fiber and produces a myelin sheath similar to the one produced by
oligodendrocytes in the CNS. There are some important differences in myelin
production between the CNS and PNS, which we consider shortly. Schwann cells
also assist in the regeneration of damaged nerve fibers
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Shoulder muscle moving the arm
Teres Minor
Supraspinatus
Infraspinatus
Subscapularis
(Rotator Cuff- SITS)
Extrinsic muscles of the eye
Lateral Rectus
Medial Rectus
Superior Rectus
Inferior Rectus
Superior Oblique
Inferior Oblique
EPSP (excitatory postsynaptic potential)
Synaptic potential that makes a postsynaptic neuron more likely to generate an
action potential
IPSP (inhibitory postsynaptic potential)