BIO MED UNIT 6-7 CARDIOVASCULAR UNIT EXAM
QUESTIONS AND CORRECT ANSWERS
Why can't oxygen travel through the blood on its own? -
ANSWER-its non-polar, not soluble in blood
An individual has type A blood. You would expect to find
A __________ on the erythrocytes and anti-
B_____________ in the blood plasma of this individual.
- ANSWER-antigens, antibodies
Arteries and veins have 3 tissue layers. Name them
starting with the superficial layer. - ANSWER-tunica
intima,, tunica media, tunica external
Blood cells are formed by what process? Where does
this occur? - ANSWER-hematopoiesis occurs in the red
bone marrow in adults
Blood just returned through the pulmonary veins. It will
enter the_______(chamber) and then passthrough
the__________ valve. - ANSWER-left atria, mitral
Blood plasma is primarily made of water. What else is
found in it? - ANSWER-10% dissolved gasses, proteins
and mineral salts, sugars, vitamins, hormones and fats
A blood type characterized by erythrocytes that have no
A or B antigens on them is: - ANSWER-type O
Briefly explain the 3 steps of hemostasis. - ANSWER-
, (1) vascular spasm, or vasoconstriction, a brief and
intense contraction of blood vessels;
(2) formation of a platelet plug;
(3) blood clotting or coagulation
Explain why carbon monoxide poisoning is so
dangerous. - ANSWER-it displaces oxygen in the blood
and deprives the heart, brain and other vital organs of
oxygen
How can capillaries restrict the flow of blood when it is
not needed in a certain tissue? - ANSWER-sphincters'
restrict blood flow
How many oxygen molecules can one hemoglobin
protein carry? - ANSWER-4
If your dad is blood type O and mom is blood type B,
what blood types could you be? Who could you donate
to? - ANSWER-can be B or O can donate to O,A,B,AB
In the center of each heme group can be found an atom
of which element? - ANSWER-iron
Mom is A-blood and dad is A+. Mom found out her
baby is A+. Why is this concerning, esp for future
pregnancies? - ANSWER-the mom’s antibodies will
attack the babies
Name 2 differences between granulocytes and
agranulocytes. - ANSWER-granulocytes have lobe
shaped nuclei and visible granules
QUESTIONS AND CORRECT ANSWERS
Why can't oxygen travel through the blood on its own? -
ANSWER-its non-polar, not soluble in blood
An individual has type A blood. You would expect to find
A __________ on the erythrocytes and anti-
B_____________ in the blood plasma of this individual.
- ANSWER-antigens, antibodies
Arteries and veins have 3 tissue layers. Name them
starting with the superficial layer. - ANSWER-tunica
intima,, tunica media, tunica external
Blood cells are formed by what process? Where does
this occur? - ANSWER-hematopoiesis occurs in the red
bone marrow in adults
Blood just returned through the pulmonary veins. It will
enter the_______(chamber) and then passthrough
the__________ valve. - ANSWER-left atria, mitral
Blood plasma is primarily made of water. What else is
found in it? - ANSWER-10% dissolved gasses, proteins
and mineral salts, sugars, vitamins, hormones and fats
A blood type characterized by erythrocytes that have no
A or B antigens on them is: - ANSWER-type O
Briefly explain the 3 steps of hemostasis. - ANSWER-
, (1) vascular spasm, or vasoconstriction, a brief and
intense contraction of blood vessels;
(2) formation of a platelet plug;
(3) blood clotting or coagulation
Explain why carbon monoxide poisoning is so
dangerous. - ANSWER-it displaces oxygen in the blood
and deprives the heart, brain and other vital organs of
oxygen
How can capillaries restrict the flow of blood when it is
not needed in a certain tissue? - ANSWER-sphincters'
restrict blood flow
How many oxygen molecules can one hemoglobin
protein carry? - ANSWER-4
If your dad is blood type O and mom is blood type B,
what blood types could you be? Who could you donate
to? - ANSWER-can be B or O can donate to O,A,B,AB
In the center of each heme group can be found an atom
of which element? - ANSWER-iron
Mom is A-blood and dad is A+. Mom found out her
baby is A+. Why is this concerning, esp for future
pregnancies? - ANSWER-the mom’s antibodies will
attack the babies
Name 2 differences between granulocytes and
agranulocytes. - ANSWER-granulocytes have lobe
shaped nuclei and visible granules
