Which of the following pacemaker complications may be due to a battery that needs to be replaced?

Blood for routine laboratory analysis is usually collected at site for children older than one year

Fill in the blank with correct word.

Which of the following can stimulate the peripheral chemoreceptors?             I. Hypoperfusion           II. Increased temperature           III. Nicotine

A. I only B. I, II, and III C. II only D. I and III only