Blood collection, Biology

Assignment Help:

Blood Collection:

Blood for analysis may be obtained from veins, arteries, or capillaries. Venous blood is usually the specimen of choice, and venipuncture is the method for obtaining this specimen.

In young children skin puncture is frequently used to obtain what is predominantly capillary blood. Arterial puncture is used mainly for blood gas analysis.

Tourniquet should not be left in position for more than one minute (marked changes of hemoconcentration is observed after 3 min.), and the patient should not allowed to pump his or her fist while the tourniquet is in place (it cause an increase in plasma potassium, phosphate, and lactate concentration).

Stress associated with blood collection can have effects in patients at any age. Plasma concentration of cortisol and growth hormone may increase.

 


Related Discussions:- Blood collection

Target organ damage, Central Nervous System   Hypertension is one of th...

Central Nervous System   Hypertension is one of the leading causes of cerebrovascular disease. It has been associated with accelerated age related cognitive decline. The most d

Molecules that make possible active transport, Which are the molecules that...

Which are the molecules that make possible active transport through membranes? Ans) Active transport is made by particular membrane proteins. These proteins are known as "pumps"

Explain the process of metastasis, Explain the process of metastasis. Defin...

Explain the process of metastasis. Define anti-angiogenic drugs and relate the role of medical imaging, if any, in anti-angiogenic drug therapy. State how you envision your particu

Protozoa, What are the disadvantages of protozoa

What are the disadvantages of protozoa

Determine the physiological effects phytoestrogens, Determine the Physiolog...

Determine the Physiological Effects phytoestrogens? Little is known about the biologic and physiologic effect of phytoestrogens in humans. Animal studies suggest the following

Define growth hormone releasing hormone receptors, Define GHRH Receptors (G...

Define GHRH Receptors (Growth Hormone Releasing Hormone Receptors)? A. GHRH Receptors are only located in the plasma membranes of cells in the hypothalamus. B. GHRH Receptor

What type of membrane is the cell membrane, Concerning permeability what ty...

Concerning permeability what type of membrane is the cell membrane? The cell membrane is a selectively permeable membrane, i.e., it permits the passage of water and some select

Determine the seeds in the plant kingdom, What is the evolutionary importan...

What is the evolutionary importance of the emergence of seeds in the plant kingdom? The evolutionary significance of the seed is related to the plant capability of distant colo

What are plant tissues and leaf vien, What are plant tissues that constitut...

What are plant tissues that constitute the functional structures of the leaf veins ? The Leaf veins are made of the vascular tissues.They are constituted by the xylem and the p

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd