Biology Quiz 2

Question 1

What type of tissue is blood?

Answer 1

connective

Question 2

Blood contains how many main categories of cells?

Answer 2

3

Question 3

What are the three main categories of cells in blood?

Answer 3

Red blood cells
neutrophils
lymphocytes

Question 4

What is another name for red blood cells?

Answer 4

Erythrocytes

Question 5

What is the function of red blood cells?

Answer 5

Gas transport

Question 6

In gas transport, oxygen gas is transported by what protein?

Answer 6

Hemoglobin

Question 7

What is hemoglobin?

Answer 7

An IRON-containing protein that makes up over 90% of the non-water weight of RBC

Question 8

What is Anemia?

Answer 8

a disease caused by low levels of RBCs or hemoglobin

Question 9

What is the result/effect of anemia?

Answer 9

reduced delivery of O2 to body tissues

Question 10

What are some features of Red Blood Cells?

Answer 10

no nucleus

may have “inner tube” shape under EM

Question 11

What is the most abundant white blood cell?

Answer 11

Neutrophil

Question 12

What is a neutrophil?

Answer 12

a type of white blood cell

Question 13

What is the neutrophil’s function?

Answer 13

to migrate to a site of infection and phagocytose microorganisms such as bacteria

Question 14

What do neutrophils contain that aid in its function?

Answer 14

granules (lysosomes) in the cytoplasm

Question 15

What are lysosomes used for?

Answer 15

to kill and degrade engulfed bacteria

Question 16

What is a feature of the neutrophil seen under the light microscope?

Answer 16

lobed-nucleus

Question 17

What is a feature of the neutrophil under the electron microscope?

Answer 17

dense granules, plasma membrane extensions used in phagocytosis

Question 18

What is the 2nd most abundant category of White Blood cells?

Answer 18

lymphocyte

Question 19

What is the function of a lymphocyte?

Answer 19

produce antibodies that bind foreign particles during immune response
-kill infected cells

Question 20

What is the role of T-cells (lymphocyte)

Answer 20

kill infected cells

Question 21

What is the role of B cells (lymphocyte)

Answer 21

produce antibodies that bind foreign particles during immune response

Question 22

What are some features of lymphocytes?

Answer 22

Non-granular cytolasm (no lysozomes)

Large round nucleus

Question 23

What is lymphoma (including leukemia)?

Answer 23

uncontrolled growth of lymphocytes

Question 24

Although it doesn’t really connect much, what is adipose tissue technically?

Answer 24

connective

Question 25

Adipose comprises what percentage of total body mass in avg. human?

Answer 25

15%

Question 26

Adipose is also the largest what in the body?

Answer 26

reservoir of energy

Question 27

What is adipose's function?

Answer 27

insulation and protection - surrounds heart, kidney, adrenal glands - found just under the skin

Question 28

What is the range under the dermis (skin) called? (this is the adipose)

Answer 28

hypodermis

Question 29

What are the cells that make up adipose tissue called?

Answer 29

adipocytes

Question 30

Adipocytes are challenged in what two things?

Answer 30

cytoplasm and organelle

Question 31

What are adipocytes mainly comprised of?

Answer 31

lipid (large droplets)

Question 32

What are excess fatty acids stored as?

Answer 32

triglycerides or tracylglycerol

Question 33

What is the function of adipocytes?

Answer 33

secrete hormones that regulate appetite

Question 34

What are the four main body tissues?

Answer 34

muscle connective epithelial neurons

Question 35

What are the three sub-sections of muscle tissue?

Answer 35

skeletal, cardiac, smooth

Question 36

What are the three sub-sections of connective tissue?

Answer 36

fibroblasts, blood, adipose

Question 37

In body tubes, where are epithelial cells found

Answer 37

lining the lumen

Question 38

What are some general characteristics of epithelial tissue?

Answer 38

lots of cells, NO extracellular material or space, held together by tight juctions

Question 39

What is the function of epithelial tissue?

Answer 39

forms lining of body tubes, protection :skin, absoptive

Question 40

Where is epithelial tissue found?

Answer 40

inner lining of body tubes, outer layers of skin

Question 41

What are the two things that aid in classification of epithelial tissue?

Answer 41

Number of layers | Cell shape

Question 42

If epithelial tissue has 1 layer of cells (lining lumen) what is it called?

Answer 42

simple

Question 43

If epithelial tissue has morethan one layer of cells what is it called? (ex skin)

Answer 43

stratified

Question 44

What is it called if epithelial cell has a flattened shape?

Answer 44

squamous

Question 45

What is it called if epithelial cell has a cube shape?

Answer 45

cuboidal

Question 46

What is it called if epithelial cell has a tall shape?

Answer 46

columnar

Question 47

What is the epididymus?

Answer 47

sperm matures and is stored

Question 48

In blood what are the two main components?

Answer 48

55% plasma | 45% formed elements

Question 49

What are them main formed elements in blood?

Answer 49

platelets WBC RBC