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YL Anatomy Week 6-12

QuestionAnswer
The _________ of a neuron is a single process that usually extends from a tapered portion of the cell body. -dendrite -neurofibril -axon Nissl body AXON
In the human nervous system: -most of the cells are neurons -most of the cells are glia cells -there are almost equal numbers of glia cells and neurons -the ratio of cells is unknown because of the complexity of the nervous system THERE ARE ALMOST EQUAL NUMBERS OF GLIA CELLS AND NEURONS
The nervous system can be divided: -according to its structure. -according to direction of information flow -by control of effectors. -in all of the above ways. IN ALL OF THE ABOVE WAYS
Neurons in the CNS have less chance of regenerating for all of the following reasons except: no neurolemma in cells of CNS. astrocytes fill the path of regrowth. microglia lay down scar tissue. All these lessen the chance of healing in the CNS MICROGLIA LAY DOWN SCAR TISSUE
The latissimus dorsi muscle is an example of a _____ muscle. -bipennate -convergent -spiral -fusiform SPIRAL
The brain has ____ major divisions. -three -five -six -eight SIX
The hormone produced by the heart -increases the excretion of sodium in the urine -increases calcium levels in the blood -is secreted in response to low blood volumes -decreases urine output INCREASES THE EXCRETION OF SODIUM IN THE URINE.
Interferon inhibits the spread of: -A. viruses -B. bacteria -C. B cell antibodies that attack cancer. -D. Both A&B -E. Both B&C D. BOTH A&B VIRUSES & BACTERIA
Antibodies are proteins of the family called -glucoproteins -immunoglobulins -globulins -antigens IMMUNOGLOBULINS
The cisterna chyli: -originates in the right lymphatic duct. -originates in the thoracic duct -is the storage area for hormones made by the thymus gland -filters the chyle coming from the small intestine ORIGINATES IN THE THORACIC DUCT
Created by: lozanoyessi
 

 



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