Olfactory receptor - Study guides, Class notes & Summaries

Sensory perception 1.)conscious process of selecting, organizing, and interpreting data from senses into meaningful info 2.)Perception is influenced by the intensity, size, change, representation of stimuli, past experiences, knowledge, attitudes. Stimulus 1.)agent or act that stimulates a nerve receptor Impulse conduction process - sensory functioning also do receptors respond to many stimuli or just one? 1.)receptor receives stimuli, translates it to impulse 2.)impulse travels along nerve pa...

BIOD 152 Module 3 - Nervous System Part 3 (Special Senses) With Complete Solutions What are the 5 primary tastes? - Sweet, salty, sour, bitter, savory (umami) Sweet Taste - Produced by many compounds including sugars and some amino acids. Salty Taste - Produced by mainly metal salts, especially NaCl. Sour Taste - Produced by acids like acetic acid (in vinegar). Bitter Taste - Produced by many drugs like aspirin. Savory Taste - Due to certain amino acids and is found in many foods lik...

BIOL 235 Midterm 2 Exam Questions and Answers Latest Updated 2024/2025 Graded A+. between the origin and insertion which is usually located proximally in limbs ? - Origin What happens during REVERSE MUSCLE ACTION? - specific movements of the body the actions are reversed THEREFOR the positions of the origin and insertion of a muscle are switched What is a mechanical advantage using the example of a lever? - if the load is closer to the fulcrum and the effort is farther from the fulcrum only ...

Stimulus an event that provokes a change sensation conscious awareness of a change to stimuli Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen Brainpower Read More receptors what detects the change from a stimulus transducers transform stimulus energy to electrical energy receptor distribution determine location: somatic receptors, visceral receptors, special senses receptor stimulus origin Where the stimulus originates: exterocep...

Where in the cell do action potentials exist? a) cell body b) axons c) dendrites d) all of the above - Answer-b) axons Where in the cell is information received? a) cell body b) axons c) dendrites d) all of the above - Answer-c) dendrites Put the following steps of transmitting an action potential into the correct order. a) Receptor molecules open up ion channels b) Action potential activates synaptic bouton c) Neurotransmitter diffuses across gap to postsynaptic cleft d) Synaptic ...

Axon thin process of uniform diameter - impulse generators and conductors that transmits nerve impulses AWAY from cell body Hillock "little hill" Schwann Cell bead like- wrapped around axon, made of fat Terminal Butons talks to dendrites of another cell What chemicals do neurons use for communication and where is it located? neurotransmitters - terminal butons Function/ location of Somatic motor neuron Reflexes. Receptors that pick up on stimulus affere...

Why does the brain interpret both positive and negative signals? - Answer What matters is that there is a change (+/-). As long as circuitry is set up to respond to that change. Dark Current - Answer In dark PRC, CNGC open because cGMP is around to open them = increase in Ca and Na and decrease in K because pumps. Ca and K come in = depolarization. Light causes hyper polarization Why does visual system start out depolarized? - Answer want visual system to be fast. So in the dark, rel...

BIOL 235 Midterm 2 Exam Questions and Answers Latest Updated | Graded A+. What is a mechanical advantage using the example of a lever? - if the load is closer to the fulcrum and the effort is farther from the fulcrum only a small about of effort is needed to move the load Bones serve as levers and joints serve as ________ for the lever - fulcrum Agonist (Prime Movers) _________ muscles while antagonist ____________ muscles - contract, relax What are muscles that contract and stabilize the i...

Neurophysiology of Nerve Impulses. Physioex 3 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out of the neuron through the K+ leak channels. - correct answer Increasing the extracellular K+ reduces the steepness of the concentration gradient and so less K+ diffuses out of the neuron. 2. Explain why increasing the extracellular K+ causes the membrane potential to change to a less negative value. - correct answer The membrane potential became less negative because l...

NR 546 Week 8 Neurotransmitter Table Chamberlain. Neuro transmitter Receptor Subtype Location/Function/Effects /symptoms of excess or deficit if applicable Distribution (ie: CNS/PNS, GI, vascular) Drug classes that target this neurotransmitter or receptor Specific medications that target this neurotransmitter or receptor Glutamate AMPA α-Amino-3-hydroxy-5- methyl-4- isoxazolepropionic acid (AMPA)-type glutamate receptors (AMPARs) mediate the majority of fast excitatory syn...