reflexes
Reflexes allow rapid reactions to stimuli. This topic is part of Human Body within Science & Nature. This page currently draws on 9 supporting questions, with answers and bonus facts available below.
reflexes trivia questions
Reflexes are usually what kind of responses?
Answer: Automatic
Bonus fact: Reflexes allow rapid reactions to stimuli.
The knee-jerk reflex is triggered by tapping which tendon?
Answer: Patellar tendon
Bonus fact: The response tests a simple spinal reflex pathway.
Why can some reflexes occur before conscious awareness?
Answer: The spinal cord can process the response rapidly
Bonus fact: The signal can trigger motor output before the brain fully processes it.
Many simple reflexes can be coordinated by the spinal cord without immediate input from what?
Answer: Brain
Bonus fact: Reflex arcs can produce rapid responses.
A reflex action is usually what kind of response?
Answer: Rapid and automatic
Bonus fact: Reflexes help protect the body.
What pathway carries signals through a simple reflex response?
Answer: Reflex arc
Bonus fact: Sensory neurons, interneurons, and motor neurons can form the arc.
Pulling your hand away from a hot object is an example of what?
Answer: Withdrawal reflex
Bonus fact: The spinal cord can trigger the movement quickly.
The Nikon F was what kind of camera?
Answer: 35mm single-lens reflex camera
Bonus fact: The Nikon F became a landmark professional SLR.
Why do rangefinder cameras lack the mirror blackout of an SLR?
Answer: They do not use a reflex mirror
Bonus fact: The separate optical finder does not look through the taking lens.