Exam 2

Question 1

What are the names of the 3 clotting phases?

Answer 1

1. Vascular
2. Platelet
3. Coagulation

Question 2

What happens at each phase of the clotting process?

Answer 2

1. Vascular phase = the first 30 minutes after blood vessel has become damaged, blood vessel constricts to slow/stop bleeding
2. Platelet phase = platelets are activated from chemicals released at damaged site, platelets become spiked and stick together
3. Coagulation phase = longest phase, where blood clotting occurs and mesh like material helps cover injury site

Question 3

What are platelets produced from?

Answer 3

Large bone marrow cells called megakaryocytes

Question 4

What is another name for white blood cells?

Answer 4

Leukocytes

Question 5

What are the types of white blood cells?

Answer 5

• granulocytes = neutrophils, eosinophils, and basophils
• monocytes
• lymphocytes = T cells and B Cells

Question 6

What are the functions of blood?

Answer 6

Transport (gasses, nutrients, hormones, waste)
regulate ph and ion composition of interstitial
restrict fluid lost at injury site
defend against toxins and pathogens
stabilize body temperature

Question 7

The majority of water is ______.

Answer 7

water

Question 8

Where is blood protein synthesized?

Answer 8

in the liver

Question 9

What is the composition of blood plasma?

Answer 9

Albumins - insoluble, so water pressure stays consistent
Globulins - antibodies (target pathogens) and transport globulins
Fibrinogen - clotting

Question 10

What is a majority of red blood cells made up of?

Answer 10

Hemoglobin

Question 11

T/F : Red blood cells do NOT have a nucleus

Answer 11

True

Question 12

What are the 4 types of blood?

Answer 12

Type A, Type B, Type AB and Type O

Question 13

T/F : For blood typing, if the sample coagulates (clumps) that means it is the other type of blood.

Answer 13

False