Sensory Information in the Posterior Columns ________

question 16

Multiple Choice

Sensory information in the posterior columns ________.

• A) carries sensations of pain, temperature, and "crude" sensations of touch and pressure
• B) decussate at the midline of the length of the pyramids
• C) is carried by axons of first-order sensory neurons that synapse on second-order neurons in the dorsal horns of the spinal cord
• D) is integrated by the ventral posterolateral nucleus of the thalamus
• E) is defined as a loosely organized network of neurons that extends throughout the brainstem

---

Definitions:

Total Surplus

The sum of consumer surplus and producer surplus, representing the total net benefit to society from producing and consuming a good or service.

Consumer Surplus

Consumer surplus is the difference between the total amount that consumers are willing and able to pay for a good or service and the total amount they actually pay.

Producer Surplus

The gap between the price producers are ready to take for offering a product or service and the actual payment they receive.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay, representing the benefit consumers receive.