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What type of sound has a frequency to high to be detected by humans?
Ultrasound
What type of radiation can not be seen but can be detected as heat?
Infrared radiation.
What type of radiation is best detected by a scintillation counter?
Ionizing radiation
What type of sound has a frequency too high to be detected by humans?
infrasonic
What is the difference between stimulus frequency and stimulus strength?
<P> <P>The stimulus frequency is how often the stimulus is admitted. For example, every 30 seconds, every minute and 1/2, etc. <P>Stimulus strength describes the level of force used to administer the stimulus such as mild, moderate or maximum.</P>
What type of stimulus is detected by photoreceptors?
Light
Which type of stimulus is detected by photoreceptors?
light
A stimulus is detected and changed to an impulse by what?
receptor
A stimulus that cannot be detected at least 50 of the time is said to be?
Subliminal.
What is the definition of weber's law?
The principle that for any change in a stimulus to be detected, a constant proportion of that stimulus (s) must be added or subtracted.
Which type of stimulus is an allergen such as pollen?
External Stimulus
What is the system's reaction to the stimulus?
Stimulus detected by receptors, transmitted to brain via afferent neurones, info processed at brain, efferent neurones, then to affector such as muscles.
What is an effector organ in human biology?
Effector organ is a part of the body that responds to a stimulus and a stimulus is a change in the environment that is detected by a receptor. And is a receptor is a nerve cell that detects a stimulus.
What type of stimulus do thermoreceptors react?
Thermoreceptors react to variation in temperature.
Which type of stimulus do mechanoreceptors detect?
Sound
What structure detects the stimulus in the reflex action?
The stimulus is detected by temperature or pain receptors in the skin. These generate impulses in sensory neurons. The impulses enter the CNS ( Central nervous system ) through a part of the spinal nerve called the Dorsal root.
Many people chew to gum to increase saliva formation when their mouth is dry. what is this type of stimulus?
mechanical stimulus
