The halogens all form binary compounds with hydrogen, and these compounds are known as the hydrogen halides: hydrogen fluoride (HF), hydrogen chloride (HCl), hydrogen bromide (HBr), hydrogen iodide (HI), and hydrogen astatide (HAt).
finger stick. 1  the act of puncturing the tip of the finger to obtain a small sample of capillary blood. In some procedures the hand may be first immersed in warm water for 10 minutes to arterialize the capillary blood or give it characteristics similar to those of arterial blood.
Vibration White Finger is a repetitive stress injury where the small blood vessels in the fingers periodically spasm. The spams cause constriction of the blood supply to the fingertips turning the fingers white.Soon after, the available oxygen in the blood is used up and the fingers turn blue.Once the spasms subside the fingers turn red as oxygenated blood returns to the finger tips. Vibration White Finger is a form of Raynaud's Phenomenon.These spams can be caused by many different things. When spasms occur due to physiological issues or drugs it is known as Raynaud's Disease. When it is caused by trauma it is known as Raynaud's Phenomenon.oon after, the available oxygen in the blood is used up and the fingers turn blue. Once the spasms subside the fingers turn red as oxygenated blood returns to the finger tips. Vibration White Finger is a form of Raynaud's Phenomenon.