Test 1

Question 1

Receptor

Answer 1

A cellular protein that binds a hormone, also a structure that detects a stimulus.

Question 2

Half-life

Answer 2

How much time it takes for the blood concentration of a hormone to be reduced to half of the original amount released.

Question 3

EPO

Answer 3

Erythropoietin, A hormone that is produced by the kidneys, increases the rate of production and maturation of erythrocyte.

Question 4

progenitor cells

Answer 4

stem cells that then further differentiate to create specialized cell types.

Question 5

Infundibulum

Answer 5

allows for hormones synthesized in the hypothalamus to be sent to the posterior pituitary for release into the bloodstream

Question 6

Agglutination

Answer 6

Blood clumping, the process that occurs if an antigen is mixed with its corresponding antibody.

Question 7

Diapedesis

Answer 7

When white blood cells go through endothelial cells and enters the blood stream.

Question 8

Chemotaxis

Answer 8

Process that attracts white blood cells or leukocytes to a specific area.

Question 9

Centrifuge

Answer 9

A tool used to separate the plasma, buffy coat, and the erythrocytes.

Question 10

Hemopoiesis

Answer 10

The production of formed elements in the blood.

Question 11

Hemoglobin

Answer 11

The red pigmented protein in erythrocytes that transports oxygen and carbon dioxide

Question 12

Erythrocyte

Answer 12

Red Blood Cells, transport oxygen and CO2 within the blood.

Question 13

Leukocyte

Answer 13

White Blood Cells, contribute to defending the body against pathogens.

Question 14

Megakaryocytes

Answer 14

Stick themselves through the blood vessel walls, as blood is flowing it will cut pieces off then forming platelets.

Question 15

Vasoconstriction & Vasodilation

Answer 15

Vasoconstriction is when blood vessels will constrict when the body is cold and Vasodilation is when the body is hot.

Question 16

Autocrine stimulation

Answer 16

Auto or self-releasing cells that bind with the same cell that produces them.

Question 17

Paracrine stimulation

Answer 17

Para = around, the hormone will bind to a neighboring cell.

Question 18

Platelets

Answer 18

Help clot the blood.

Question 19

Thrombopoietin

Answer 19

Stimulates both the production of megakaryocytes in the red bone marrow and the subsequent formation of platelets.

Question 20

Describe the location of the various endocrine glands.

Answer 20

The hypothalamus, pituitary gland, and pineal gland are in your brain. The thyroid and parathyroid glands are in your neck. The thymus is between your lungs, the adrenals are on top of your kidneys, and the pancreas is behind your stomach.

Question 21

Describe the physical characteristics of erythrocytes

Answer 21

Also known as red blood cells, they are biconcave discs that are very flexible to fit between small spaces.