Death from amyotrophic lateral sclerosis usually results from respiratory infection secondary to compromised respiratory function. Explain why

What will be an ideal response


Amyotrophic lateral sclerosis, or Lou Gehrig's disease, is a rare neuromuscular disease that involves progressive destruction of the ventral horn motor neurons and fibers of the pyramidal tract. As the disease progresses, the sufferer loses the ability to speak, swallow, and breathe. Because the lungs have difficulty fully expanding, secretions may accumulate, causing respiratory infection.

Anatomy & Physiology

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An afferent neuron

A. is a sensory neuron and has multiple dendrites. B. is a sensory neuron and has a single dendrite. C. is a motor neuron and has a single dendrite. D. is a motor neuron and has multiple dendrites.

Anatomy & Physiology

As we age, our gustatory senses become stronger to compensate for hearing and vision loss

Indicate whether the statement is true or false.

Anatomy & Physiology

The myelin on a myelinated fiber in the peripheral nervous system is part of Schwann cells wrapped around the axon

Indicate whether the statement is true or false

Anatomy & Physiology

If someone steps on a sharp object with their right foot, it will lead to

A. polysynaptic reflexes involving contraction of the right quadriceps and left hamstrings. B. a monosynaptic reflex causing contraction of the right quadriceps and a polysynaptic reflex causing contraction of the the left hamstring. C. a monosynaptic reflex causing contraction of the right hamstring and a polysynaptic reflex causing contraction of the left hamstring. D. polysynaptic reflexes involving contraction of the right hamstring and left quadriceps.

Anatomy & Physiology