Which of the following readings would indicate a controlled blood pressure in a 62-year-old female patient?

All of the following guidelines are correct for typing courtesy titles except:

A) "Miss" is used for a young girl or a woman of single status. B) professional titles such as "MD" are used instead of "Mr." or "Miss." C) "Mrs." is used when a woman's marital status is unknown. D) two individuals at the same address should appear with separate titles.

A molecule of hemoglobin contains four atoms of ________

a. iron b. potassium c. vitamin C d. sodium