Exam 15: Sensory Pathways and the Somatic Nervous System

The sense of proprioception passes along the ________ pathway.

Figure 15-1 Spinothalamic Tracts Use Figure 15-1 to answer the following questions: -Identify the neuron labeled "1."

The corticospinal system is often referred to as the

Chemoreceptors of the general senses do not send information to the primary sensory cortex but instead sendinformation to the ________ to control autonomic function.

The sensory receptors, neurons and pathways make up the ________ division of the nervous system.

In-Text Figure Based Questions -Which motor pathway directs a faster response: voluntary or involuntary? (Figure 15-1)

Figure 15-1 Spinothalamic Tracts Use Figure 15-1 to answer the following questions: -Identify the structure labeled "5."

Your brain is not constantly bombarded with signals telling it that you are wearing socks. This is becausethe touch receptors around your ankle are

Which of the following is a progressive, degenerative disorder that affects upper and lower motor neurons causing skeletal muscle atrophy?

Jake steps on a piece of ice with his right foot. Outline the pathway this sensation will travel to reachhis brain being specific about the structures along the way.

Bladder fullness is to ________ as blood pH is to ________.

Which of the following is true of all the sensory pathways?

Figure 15-1 Spinothalamic Tracts Use Figure 15-1 to answer the following questions: -Identify the type of information that travels along the structure labeled "2."

Stimulation of a neuron that terminates in the superior region of the left postcentral gyrus would produce

Damage to the pyramidal cells of the cerebral cortex would directly affect

Figure 15-2 The Corticospinal Pathway Use Figure 15-2 to answer the following questions: -Identify the origin of the axon labeled "2."

The heart muscle is a ________ effector.

The ________ tract provides subconscious regulation of upper limb muscle tone and movement and is part of the ________ pathway.

Which is an example of a slow-adapting receptor?

Each of the following is an ascending tract in the spinal cord except the