Increased tissue respiration rates cause local vasodilation of arterioles
Indicate whether the statement is true or false
T
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Hair cells in semicircular canals are
A. nociceptors. B. chemoreceptors. C. photoreceptors. D. audioreceptors. E. mechanoreceptors.
At electrical synapses:
A. there is a synaptic delay as the signal travels from the presynaptic to postsynaptic element B. release of neurotransmitter is required C. there is a low resistance pathway for current flow between cells D. electrical potentials can be transmitted in only one direction
Choose the statement that correctly pairs sensation, perception, and/or projection with the example.
A. Perception- A cone cell in the eye detects light of 560nm wavelength reflecting from a person's lips. Sensation- You notice the person is wearing red lipstick. B. Perception- A cone cell in the eye detects light of 560nm wavelength reflecting from a person's lips. Projection- You notice the person is wearing red lipstick. C. Sensation- A cone cell in the eye detects light of 560nm wavelength reflecting from a person's lips. Perception- You notice the person is wearing red lipstick. D. Sensation- A cone cell in the eye detects light of 560nm wavelength reflecting from a person's lips. Projection- You notice the person is wearing red lipstick.
During organogenesis, which structure is not derived from the pharyngeal pouches?
A. Thyroid gland B. Vertebra C. Palatine tonsil D. Thymus E. Middle ear cavity