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BIOL G220 Unit 4 Lecture Exam Review A
Test Description: Lecture 20 material
Instructions: Answer all questions to get your test result.
1) blood is a type of _______________ tissue
A
lymphatic
B
vascular
C
facial
D
fluid connective
2) blood has two main components
A
cells and lymph
B
red and white
C
lipids and proteins
D
cells and plasma
3) the cells in blood fall into 2 main categories
A
afferemt and efferent
B
microscopic and macroscopic
C
agranulocytes and granulocytes
D
erythrocytes and leukocytes
4) plasma makes up about ____ of the blood by volume
A
75%
B
200%
C
45%
D
55%
5) since the bottom layer of the centrifuge tube contains erythrocytes, they must be ____ than leukocytes
A
stronger
B
denser
C
faster
D
better
6) in addition to water, plasma contains mostly
A
salts
B
protein
C
carbohydrates
D
lipids
7) the most prevalent class of protein in plasma is
A
albumin
B
regulatory
C
globulins
D
fibrinogen
8) fibrinogen is involved in
A
osmoregulation
B
blood clotting
C
immune response
D
nutrient transport
9) in addition to erythrocytes and leukocytes, blood contains formed elements called
A
platelets
B
cuplets
C
incessantly by telemarketers
D
spoonlets
10) the ratio of red blood cell volume to total blood volume is called
A
hematocrit
B
erythrofraction
C
mean corpuscular hemoglobin concentration
D
sedimentation rate
11) the main function of erythrocytes aka RBCs is
A
to transport metabolic gasses in the bloodstream
B
to confuse anatomy students
C
to maintain fluid balance in the body
D
to prevent infection
12) the molecular complex in erythrocytes that selectively binds oxygen and carbon dioxide is
A
haemoglobin
B
lignin
C
erythropoetin
D
insulin
13) hemoglobin or haemoglobin consists of _____ and ____
A
cholesterol and zinc
B
proteolipopolysaccharides and phosphate ions
C
carbohydrates and copper
D
proteins and iron
14) erythrocytes are formed in
A
thymus
B
red bone marrow
C
spleen
D
liver
15) red blood cells are broken down and recycled in the ___ and ___
A
kidneys and pancreas
B
spleen and liver
C
thymus and red bone marrow
D
trick question- they are renewed via mitosis
16) ABO blood 'type' is the result of
A
antibodies produced by RBS's
B
antigens presented to B lymphocytes by the MCH on helper T cells
C
antigens present on the surface of RBCs
D
different shapes or RBC's in the circulation
17) Leukocytes are classified into two structural groups, _______ and ______, based on cellular inclusions
A
granulocytes and agranulocytes
B
coccilus and bacillus
C
thrombolytic and non-thrombolytic
D
nuclear and anuclear
18) among the agranulocytes, ______ have crescent shaped nuclei and transform into macrophages
A
eosinophils
B
monocytes
C
basophils
D
lymphocytes
19) among the granulocytes, ______ contain dark pigmented grana , have bilobed nuclei, and release heparin and histamine during inflamation
A
neutrophil
B
eosinophils
C
basophils
D
lymphocytes
20) erythrocytes can form single-file stacks called
A
rotella
B
arrealiia
C
roleau
D
panus cakus
*select an answer for all questions
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