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