What should be the nurse's first intervention in the care of a client with a generalized anxiety disorder?

Treatment of anxiety disorders usually involves medication and therapy. Since anxiety disorders can sometimes have a medical cause or component and the nurse must first assess the person’s anxiety level because this determines what interventions are likely to be effective. 

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.