Q. Physiological responses accompanying response and other noise exposures include:
1. A vascular response characteristic by peripheral vasoconstriction, changes in heart beat rate and blood pressure
2. Various glandular charges such as increased output of adrenaline evidenced by chemical changes in blood
3. Slow, deep breathing
A. i and ii only
B. i and iii only
C. ii and iii only
D. i, ii and iii
Answer: i, ii and iii
