Which of the following lists the components of a reflex arc in the order in which nerve signals pass through them? Sensory receptor -> motor neuron -> interneuron -> sensory neuron -> effector. Effector -> sensory neuron -> interneuron -> motor neuron -> sensory receptor. Sensory receptor -> interneuron -> sensory а. b. с. neuron -> motor neuron -> effector. Sensory receptor -> sensory neuron -> interneuron -> motor neuron -> effector. d.

We know that a reflex arc is a circuit, but what are the nerve connections arc called?

How would antibodies against nicotinic acetylcholine receptors (nAChRs) affect the influx of sodium (Na+) into a skeletal muscle cell?  Group of answer choices These antibodies would target nAChRs for destruction leading to lower sodium influx in muscle cells. These antibodies would target nAChRs, changing their shape to allow calcium instead of sodium through. These antibodies would target nAChRs, changing their shape to allow only potassium through. These antibodies would target nAChRs aiding acetylcholine in its binding to receptors, leading to increased sodium influx in muscle cells.  pick one answer

Which of the following could be used to describe the parasympathetic nervous system? Select all that apply. Short preganglionic, long postganglionic fibers. O long preganglionic, short postganglionic fibers. Known to be active during "rest and digest" responses. Stimulates ciliary muscles of the eye, which makes the lens bulge for close vision. O Active during "fight or flight" responses. increases heart rate « Previous Next

Identify the indicated part of the reflex arc model. NERV OUS S YSTEM reflex arc motor neuron sensory neuron effector O interneuron

When stimulated by effective steady stimuli, sensory receptors :-a- continuously discharge impulsesb- stop discharging after a short timec- produce an initial high rate of impulse discharge followed by decline of this rated- differ in their response ; some types discharge continuously, while other types do not respond at all

ALS stands for Amyotrophic Lateral Sclerosis. What does “amyotrophic” mean? What is happening to the body (physiologically) if it is experience “amyotrophic” changes?

An input or signal that begins a reflex is called a; O Hormone Stimulus O Motor function Affectation None of these is correct

The dorsal column system crosses to the contralateral side of the nervous system at the level of the before reaching the in the ___. medulla; primary somatosensory cortex; parietal lobe spinal cord; primary motor cortex; frontal lobe medulla; primary motor cortex; frontal lobe spinal cord; primary somatosensory cortex; parietal lobe Question 2 Which of the following are true about somatotopy and retinotopy? Adjacent parts of the body or retina are represented far away each other, rather than in neighbouring areas of the cortex All items are true 1 pts These maps are 'fixed' and cannot be changed by experience The 'maps' for both are distorted to represent differences in the density of input

Draw a well labelled diagram of mechanism of a reflex action.