Examlex
The nurse is aware that changes occur in the respiratory system after the age of 70 that put the elderly more at risk for respiratory problems. These changes include: (Select all that apply.)
Muscle Spindles
Sensory receptors within muscles that detect changes in muscle length and participate in regulating muscle contraction.
Alpha Motor Neurons
Nerve cells that connect to and control the contraction of skeletal muscles, playing a key role in initiating muscle movement.
Reflex Arc
The neural pathway that controls a reflex action, typically comprising a sensory receptor, a neural pathway, and an effector.
Motor Neuron
A type of nerve cell that transmits signals from the brain and spinal cord to muscles, causing them to contract.
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