Cardiac Muscle and WBC

Question 1

what is the name form Cardiac relax time after contractions?

Answer 1

refractory period

Question 2

What is the name of heart muscle cells?

Answer 2

cardiocytes

Question 3

What type of muscle is the heart

Answer 3

striated with actin + myosin

Question 4

autonomic tone

Answer 4

normal activity of the nervous system

Question 5

Another name for white blood cells?

Answer 5

leukocytes

Question 6

What do WBCs do?

Answer 6

Defend the body

Question 7

Name the 5 leukocytes

Answer 7

1. neutrophil
2. Eosinophil
3. Basophil
4. monocyte
5. lymphocyte

Question 8

what makes WBCs different from RBCs?

Answer 8

1. can travel around/ wander
2. no hemoglobin and keeps all organelle
3. will release chemicals to bring in other WBCs
4. Move from higher chemical concentration to lower chemical concentration (chemotaxis)
5. uses Ca2+, ATP, and action for movement

Question 9

Chemotaxis

Answer 9

movement of higher chemical concentration to lower chemical concentration

Question 10

phagocytosis/endocytose

Answer 10

engulf/ eat

Question 11

What WBCs are phagocytotic?

Answer 11

neutrophils, eosinophil, monocyte

Question 12

capillaries

Answer 12

small blood vessel that allows for diffusion of nutrients ion the bloodstream

Question 13

List the types of blood vessels from large to small

Answer 13

artery, arteriole, vein, venule

Question 14

What WBCs are granular?

Answer 14

neutrophils, eosinophil, basophil

Question 15

Where are WBCs found?

Answer 15

spleen, lymph nodes, thymus, tonsils/ CT proper (special CT that is a combo of loose and dense) or organs of lymphoid system

Question 16

eosinophil

Answer 16

two lobed with pink granules

Question 17

basophil

Answer 17

has the most granules

Question 18

monocyte

Answer 18

1. Pac- man shape or kidney shape
2. largest white blood cells
3. most aggressive phagocytic cell

Question 19

Phagocytic cells have a lot of what?

Answer 19

lysosomes

Question 20

What is puss?

Answer 20

usually neutrophils with engulfed material

Question 21

What might a high number of eosinophils mean?

Answer 21

parasitic infection

Question 22

Characteristics of eosinophils

Answer 22

1. only attack when things are coated with antibodies
2. late in immune response if it’s the 1st exposure to something until antibodies are formed
3. bi-lobed with pinkish reddish granules

Question 23

lymphocyte

Answer 23

1. tend to have long life-span
2. memory cells
3. has plasma ring
4. smallest white blood cell

Question 24

Basophils

Answer 24

1. bi-lobed with so many granules/ cannot see nucleus
2. produces heparin (prevents local clotting)
3. contains histamine: dilates blood vessels
   ( can cause pooling of blood/ clotting)
4. releases chemicals in granules (like heparin and histamine)
5. responds to local inflammation (redness , heat and swelling)
   * increase blood flow/nutrients, O2, and more WBC

Question 25

Spleen

Answer 25

removes pathogen by filtering blood to prevent septic conditions

Question 26

Platelets

Answer 26

1. forms clots
2. made in spleen
3. has actin and myosin

Question 27

platelet plug

Answer 27

platelets come together/ clump to plug or fill a hole from a damaged blood vessels

Question 28

Thrombocytopoiesis

Answer 28

1. platelet production ( in red bone marrow)
2. regulated by TPO (peptide hormone) from kidneys

Question 29

Stages of platelet production/thrombocytopoeisis

Answer 29

hemocytoblast –myeloid stem cells—megakaryocytes( flake apart) —–platelets ( cell fragments)/ thrombocytes

Question 30

What are the three types of lymphocytes?

Answer 30

1. T- cells
2. B- cells (antibodies)
3. NK cells