In people with Alzheimer's disease, surviving hippocampal neurons are less active

Compared to a normal individual, when a patient with a severe obstructive impairment such as emphysema increases ventilation, which of the following occurs?

a. Carbon dioxide production falls as anaer-obic metabolism increases. b. Oxygen consumption increases at a faster rate than normal. c. Oxygen consumption rises faster than carbon dioxide production. d. The anaerobic threshold is reached later than normal.

All exit accesses and exits in a building are required to be identified with ____.

A. LEDs B. an exit sign C. reflective tape D. magnetic card access