This is due to the fact that nails are not actually some useless piece of accessory on your hands.
Nails actually have several components. The nails actually cover something called the keratogenous Matrix, which is the whitish membrane with nerves, and blood vessels that decide on how far nails grow, and is protected by the nail plate which what you can see. The Lunula or the whitish bit of the nail is actually transparent.
On the other hand you have hair which is a verticle object usually used for aesthetic purposes and is an alive thing until it goes above the skin. Hair which is normally aesthetic does have some purposes in different parts of the body. The eyelashes are designed to keep particulates out of the eye, while the axillary hair, is used for thermoregulation (the hair in the armpits and groin are what makes up the axillary).
Answer: In the morning right after you wake up.
Explanation:
You have not exerted yourself which means you have a more accurate reading. You want to test it multiple times throughout the week though to get a base resting rate though.
Hope this helps!
Chronic Obstructive Pulmonary Disease or COPD is an inflammatory disease of the lung causing obstructed flowing of air. This includes Emphysema and Chronic Bronchitis. The main cause of this disease is long exposure to things damaging the lungs such as cigarette smoking thus the 65 years old patient has this and has symptoms such as frequent, productive cough of thick, pale yellow mucous and cyanosis.