In "Maslow's hierarchy of needs", what patient need comes after attaining safety??

Which of the following is a normal physiologic change that occurs in the mother's respiratory system during pregnancy?

A. decreased respiratory rate and increased minute volume B. increased respiratory rate and decreased respiratory reserve C. increased respiratory reserve and decreased oxygen demand D. increased respiratory depth and decreased respiratory rate

Which of these extraoral radiographs is most often used to show the base of the skull?

A) Lateral cephalometric B) Transcranial C) Submentovertex D) Posteroanterior