What is the best sample for the determination of blood pH and blood gases?

Answer arterial blood

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A 10mL sample of blood obtained from a term infant represents approximately--------- of its total blood volume?

Infants have around 80ml per kilogram blood volume (although the range can be from 50-100ml'kg). This steadily drops to the adult values of 50-70ml/kg. A 6 month old infant weighing approx 6 kg wo... Read More »

If a person spots pink and brown blood one day then dark red blood the next day with tiny blood clots and hasn't started her period does this mean she is pregnant and should take a hpt?

Anytime that you feel that you may be pregnant you should take a home pregnancy test.However if you feel that you may be pregnant and are having a significant amount of bleeding or cramping you sho... Read More »

How to Get a Blood Sample from a Trained Dolphin?

Ever wonder how vets can take place a needle into an animal and have the animal be perfectly ok with it? How can a trainer take blood from a killer whale or dolphin? Here is how! These directions a... Read More »

Why take blood sample from babies head?

Some bleeding after the cord falls off is normal. If it infected it may cause more bleeding. Continuous bleeding is a cause for concern and requires evaluation by a pediatrician and investigation.