Exam 16: Blood

The percentage of cells in blood-producing tissues that become white blood cells is about ________%.

A hematocrit is used to indicate

Match the following terms with the correct descriptions. -These are fragments of a megakaryocyte.

Plasma consists of blood minus ________ and ________.

The extrinsic pathway of coagulation is activated by the

Tom suffers from a severe liver disease.Which of the following symptoms would you expect to see as a result of this condition?

Below are results of a blood analysis for a patient undergoing chemotherapy.The left two sets of bars,labeled "Min" and "Max," represent the target values for each cell type.The other sets of bars depict the results of blood counts done on the corresponding days after chemotherapy was administered.Please answer the following questions. A.According to the graph,which type of formed elements reached normal values first? B.Which kind came closest to its maximum value? C.On Day 10,which of the following sets of symptoms/characteristics would the patient most likely exhibit? 1.pale and easily fatigued 2.likely to bruise easily or bleed excessively 3.be at high risk for infections Explain your choice.

Red blood cells in the circulation live for about ________.The short life span is due to ________.

Match each leukocyte to its normal percentage in a differential cell count. -neutrophils

A person who goes from sea level to a city that is 5000 feet above sea level will show an increased hematocrit within 2 to 3 days.Draw the reflex pathway that links the hypoxia of high altitude to increased red blood cell production.

The intrinsic pathway of coagulation is activated by the

Monocytes leave the circulation to go to the tissues,where they are called

In normal adults,red blood cells are formed in

Match the following plasma proteins with the correct function. -contribute(s)significantly to osmotic pressure of plasma

What is a differential white cell count and when is it used?

Mike has classical hemophilia,a clotting disorder,but his case is considered "mild." His levels of factor VIII are 28% of normal.He is usually OK going about the activities of normal daily living.He plays slow pitch softball and enjoys swimming and horseback riding,and is an exceptionally active individual who believes "why walk when you can run?" He has noticed that once he has one injury,he will have "bleeds" more readily,and has to restrict his own activities to give himself time to heal.Why would he have to "slow down" longer than a person without hemophilia?

Colony-stimulating factors are cytokines made by

A unique aspect of hematopoiesis is that

Name the process of red blood cell production,the hormone that controls it,the source of that hormone,and the stimulus for its production.Why was the hormone so difficult to isolate and identify?

Platelets are