BIOLOGICAL BASES OF BEHAVIOR
THE NERVOUS AND ENDOCRINE SYSTEMS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
secretion of a neurotransmitter by the sensory neuron
|
|
|
reception of a stronger stimulus by the sense organ
|
|
|
stimulation of an interneuron
|
|
|
contraction of a muscle
|
Detailed explanation-1: -Damage to lower motor neuron cell bodies or their peripheral axons results in paralysis (loss of movement) or paresis (weakness) of the affected muscles.
Detailed explanation-2: -Damage anywhere along the reflex arc causes hyporeflexia. These tissues include: Sensory nerve fibers. Sensory nerve cells or neurons.
Detailed explanation-3: -There are two types of reflex arcs:the autonomic reflex arc, affecting inner organs, and the somatic reflex arc, affecting muscles.
Detailed explanation-4: -When the lower motor neurons cannot receive signals from the upper motor neurons, it can cause muscle stiffness (spasticity) and overactive reflexes. This can make voluntary movements slow and difficult. Over time, individuals with MNDs may lose the ability to walk or control other movements.