________ is an area on the body monitored by a single sensory neuron
A) The filum terminale
B) A receptive field
C) The conus medullaris
D) A dermatome
B
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Mary is in an automobile accident and suffers a spinal cord injury. She has lost feeling in her lower body. Her doctor tells her that swelling is compressing a portion of her spinal cord. Which part of her cord is likely to be compressed?
A) the anterior gray horns B) the anterior gray commissures C) ascending tracts D) descending tracts E) the anterior white commissures
Calcitonin _________ osteoclast activity, which will _________ blood calcium levels
A. stimulates; increase B. stimulates; decrease C. inhibits; increase D. inhibits; decrease
Choose the correct statement regarding the structure of the plasma membrane.
The hydrophobic center of the plasma membrane will restrict the movement of fat-soluble substances through the membrane. The membrane is composed of water-soluble molecules, to allow movement of water between the fluid compartments. Carbohydrates in the plasma membrane can serve as a source of immediate energy for the cell. The movement of proteins in the plasma membrane allows for cellular adaptations to the extracellular environment.
What artery is the first systemic branch off the aorta?
A. Right common carotid artery. B. Brachiocephalic artery. C. Left common carotid artery. D. Subclavian artery.