Which of the following is not true of red blood cells?

A) The biconcave disc shape makes them look hollow in their centers.
B) They are also called erythrocytes.
C) They transport oxygen through the blood, but not carbon dioxide.
D) They contain hemoglobin for gas transport.
E) All of these are true of red blood cells.

The carpals are not included in the anatomical description of the hand.

Pacinian corpuscles respond to

A) an increase in tendon tension.
B) deep cutaneous pressure and vibration.
C) stretch and tension.
D) temperature and pain.
E) light touch.