Which of the Following Is Included in the Primary Assessment

Which of the following is included in the primary assessment of a conscious patient suffering from anaphylactic shock?

A) Assessing whether the patient is able to speak without difficulty
B) Finding out how the patient was exposed to the substance to which she is allergic
C) Looking for hives and swelling
D) Determining whether the patient's systolic blood pressure is over 100 mmHg