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through the channels into the neuron. The positive charge of Na+makes the axon more positive and depolarized. There is a delay i ...
myelin is the target in Guillain-Barré syndrome (GBS), also called acute inflammatory demyelinating polyneuropathy or Landry’s a ...
make profuse inhibitory dendritic contacts with the flask-shaped Purkinje cells. Each Purkinje cell receives about 2 × 105 synap ...
sprouting axons from the proximal segment toward the target organ. The injury causes Wallerian degeneration distal to the level ...
140.The answer is c.(Kierszenbaum, pp 216–217. Junqueira, pp 154, 171, Kandel, pp 21–22, 148, 160.)The nodes of Ranvier increas ...
state blocks vesicle fusion with the presynaptic membrane. Gap junctions are not involved (answer e). 143.The answer is d.(Junqu ...
present in peripheral nerves. Label Aindicates skeletal muscle, identifiable by its striations and peripherally located nuclei. ...
and form the glial scar. These glial cells interact with neurons, blood ves- sels and the pia materby their stellate processes. ...
form of neurotransmitter release. The neurotransmitter (from the synaptic vesicles) crosses the synaptic cleft (between the pre- ...
the membrane. ACh is released normally, but its effect on the postsynaptic membrane is reduced. The postjunctional membrane is l ...
Cardiovascular System, Blood, and Bone Marrow Questions DIRECTIONS: Each item below contains a question or incomplete statement ...
152.The cell labeled A is best described as which of the following? 252 Anatomy, Histology, and Cell Biology a. Myeloblast b. Pr ...
Cardiovascular System, Blood, and Bone Marrow 253 153.A newborn girl presents with a mutation in the erythropoietin recep- tor g ...
157.A 66-year-old man patient who was diagnosed with type II diabetes 10 years ago presents with an aching pain in the muscles o ...
Cardiovascular System, Blood, and Bone Marrow 255 158.A 35-year-old woman’s physician orders laboratory blood tests. Her fresh b ...
160.A 47-year-old man presents to his family physician complaining of unusual thirst, increased frequency of urination, dizzines ...
161.Erythrocytes may have abnormal shapes and sizes in certain diseases. In iron deficiency you would expect to see which of the ...
163.Which of the following is a metabolic function of the cells labeled with arrows in the accompanying light micrograph? 258 An ...
165.A 43-year-old anatomy professor is working in her garden, pruning rose bushes without gloves. She has a thorn enter the skin ...
166.A 27-year-old man returns from a climbing trip to Ouray, Colorado. He spent 2 weeks camping with his fellow climbing friends ...
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