C.M. is a 69-year-old female who presents to the emergency department with shortness of breath.   Subjective data: PMH: HTN, hypothyroid Sudden onset shortness of breath Denies chest pain but reports chest tightness and cough Current smoker, 1 pack a day for 50 years   Objective data: Vital signs: T 37 C, P 92, R 18, BP 144/64 Lungs: + inspirational wheeze upper and lower lobes, bilaterally O2 sat = 90% Skin cool to touch CV = heart rate regular, positive peripheral pulses Nose = + erythema, clear discharge Throat = erythema   Medications: metoprolol 12.5 mg per day, Synthroid 0.50 mcg once per day   Questions What other questions should the nurse ask about the shortness of breath? What other assessments are necessary for this patient? What are some of the causes of shortness of breath?

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Environmental health and hazards

An organism's environment is the environment in which it lives and has an impact on its well-being. The World Health Organization (WHO) defines environmental health as "those aspects of public health, such as quality of life, that are influenced by physical, chemical, biological, social, and psychosocial components in the environment." Environmental health is concerned with both natural and man-made settings in order to enhance public health. Environmental science, occupational medicine, toxicology, and epidemiology are the key subdisciplines of environmental health.