You have bandaged a victim's lacerated elbow. Blood is still soaking through the dressing and bandage. What should you do?

A. Remove the dressing and bandage and start over again with a tighter bandage.
B. Apply a tourniquet around the wrist.
C. There is nothing else you can do.
D. Apply additional dressings and bandages, Keep apply pressure, Lift arm above the heart.

The correct answer to the question is option D

APPLY ADDITIONAL DRESSINGS AND BANDAGES,KEEP APPLYING PRESSURE,LIFT ARM ABOVE THE HEART.

Explanation: To answer the question effectively,let's look at the options critically and the effects it will have on a bandaged lacerated elbow that still has blood soaking through the dressing and bandage.

A) Remove the dressing and bandage and start over again with a tighter bandage.

This is a big NO when it comes to wound dressing and care because removing the dressing and bandage will impair the blood clots that must have formed in the lacerated site,this blood clots helps to control the bleeding so when the bandage and dressing is removed,the blood clot will be distorted which will make the wound to start bleeding again.

B) Apply a tourniquet around the wrist.

Application of tourniquet is the last resort in control of bleeding,it is only employed when other measures to control the bleeding has been applied but proved abortive so application of tourniquet is not the right and appropriate measure to be taken at this time.

C) There is nothing else you can do.

This can be termed an act of negligence and its not expected of a healthcare provider,leaving the victims lacerated elbow to be soaking of blood through the dressing and bandage will cause the victim to loose much blood and this might result to shock.(hypovolemic shock)

D) APPLY ADDITIONAL DRESSINGS AND BANDAGES,KEEP APPLYING PRESSURE,LIFT ARM ABOVE THE HEART.

This is the right and most appropriate measure to be taken in the case of a laceration or wound that has blood still soaking through the wound and dressing. The goal is to apply more pressure inorder to maintain homeostasis (control the bleeding).

The arm should also be lifted above the heart to decrease the flow of blood,improve venous return and prevent obstruction of a blood vessel as a result of a blood clot. (thromboembolism).

After the measures has been ensured,the victim should be closely monitored for any skin discoloration (blueish discoloration especially of the extremities),signs indicative of shock,faster breathing or slower breathing and restlessness.

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i guess you forgot putting it.

cells use diffusion to get substances in and out of themselves. that diffusion will occur across the cell membrane or the outer covering of the cell. because we are talking about the surface of the cell, surface area and volume are  important factors here. as a cell increases in size, its surface area and volume increase as well.  we call that the surface area to volume ratio (sa: vol).  but the catch is that  volume increases at a greater rate than surface  area. in other words, as a cell gets bigger, the sa: vol gets smaller. so a really small cell like bacteria is mostly cell membrane (surface) with very little contents (volume). a really big cell like an egg, is mostly insides with a super thin membrane. so what ends up happening is that the cell cannot efficiently diffuse all of the stuff it needs in/out to survive. therefore cell size is limited to about 100mm. so how do we make organisms bigger than 100mm? cells divide! by dividing and becoming multicellular, organisms are able to grow!   check out the diagrams i attached to see the effect of sa: vol. i hope this ! good luck!