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Is a patellar reflex autonomic?
no
A simple reflex is?
A simple reflex is an automatic response to a stimulus without involving conscious thought. An example is the knee jerk reflex when a doctor taps below the kneecap, causing the leg to kick involuntarily.
What reflex is a quick response to a stimulus that involves the brain?
A quick response to a stimulus that involves the brain is known as a voluntary reflex or a complex reflex. Unlike simple reflexes, which are mediated by the spinal cord and occur automatically, voluntary reflexes require processing in the brain and often involve conscious thought. An example includes withdrawing your hand from a hot surface; while the immediate withdrawal is a spinal reflex, the decision to react is processed by the brain.
Which reflex arcs contain no association neuron?
The patellar reflex is an example of a 2-neuron reflex arc. It has 1 sensory neuron and 1 motor neuron. It does not contain an association neuron and so is considered the most simple reflex in humans.
A simple automatic inborn response to a sensory stimulus is called a(n)?
A simple automatic inborn response to a sensory stimulus is called a reflex. Reflexes are involuntary and often occur without conscious thought, serving as a protective mechanism for the body. They involve a direct pathway known as a reflex arc, which includes sensory neurons, interneurons, and motor neurons. Examples include the knee-jerk reaction or withdrawal from a painful stimulus.
Is shutting of eyelids on exposure to bright light a simple or conditioned reflex?
Simple reflex
What is the Difference between simple reflex and complex reflex?
A simple reflex involves a direct pathway that includes only a sensory neuron and a motor neuron, resulting in an immediate, involuntary response to a stimulus, such as the knee-jerk reflex. In contrast, a complex reflex involves multiple neurons and often includes interneurons, allowing for more intricate processing and integration of information, which can lead to a more coordinated response, such as withdrawal from pain. Simple reflexes are typically faster and more straightforward, while complex reflexes can involve higher brain functions and emotional responses.
What is the four main features of a reflex?
The four main features of a reflex are: 1) Involuntary Response: Reflexes occur automatically without conscious thought. 2) Rapid Action: They involve quick responses to stimuli, often mediated by a simple neural pathway known as a reflex arc. 3) Specificity: Each reflex is triggered by a specific stimulus, such as a tap on the knee or touching a hot surface. 4) Protective Function: Many reflexes serve to protect the body from harm, such as withdrawing a hand from a hot object.
Is dilation a simple reflex?
Yes.
What part of the spinal cord acts as the center for simple reflex activity?
The gray matter is the center for simple reflex activity.Reflexes are rapid, automatic responses to stimuli that "buy time" for the planning and execution of more complex responses that are often consciously directed.The fastest reflexes are somatic motor reflexes that (1) involve myelinated axons, (2) involve only one segment of the spinal cord or one nucleus of the brain, and (3) are monosynaptic.
Is the knee jerk a simple reflex?
yes it is
What is the difference between a simple spinal reflex and a complex reaction?
Simple spinal reflex is when the afferent receptor synapses directly with an efferent neuron and subsequently an effector cell/tissue. This will all take place in the spinal cord. A complex reaction will involve an intermediary interneuron or even the brain for 'processing' before synapsing with an efferent neuron and target tissue.
