Heart sound S2 may be heard at the end of systole by auscultating over the ________ intercostal space

Small infant have a poor ability to thermoregulate and are unable to shiver to control heat loss until about the age of:

a. 4-6 months b. 6-12 months c. 12-18 months d. 18-24 months

A condition that will cause anemic hypoxia is:

a. cyanide poisoning. b. decreased cardiac output or heart failure. c. polycythemia. d. carbon monoxide poisoning.