CARDIO – BLOOD TAKE HOME QUIZ
5. With consistent treadmill running, our
Directions: Answer the ffg questions in your body's need for oxygen increases.
QUIZLET. Provide ONE sentence Therefore, we need more oxygen
RATIONALE to support your answer. carried to our tissues, which is
(No need to take a photo). accomplished by a/an _____ production
of erythropoietin by the liver. This helps
1. You are in oxygen deficit as you start to diminish the oxygen deficit, so we call
exercise. Will hemoglobin have a higher this homeostatic mechanism _____.
or lower affinity for oxygen compared to A . Increased-Negative Feedback
resting conditions? B. Decreased-Negative Feedback
a. Higher 6. In which of the following situations
b. Lower would a cytokine be released to affect
c. No change change in the body? Please select all
d. Impossible to tell with the given that apply.
information
a. A cell targeting itself
2. Whole blood moving from an area of b. A cell targeting a neighboring cell
higher to lower concentration is an c. Synaptic signaling
example of ____. Solutes crossing a d. A cell targeting a distant cell through the
membrane to equalize concentration is bloodstream
an example of ____.
7. In vascular spasm, blood vessels
a. Bulk flow; bulk flow (vasoconstrict/vasodilate). This allows
b. Bulk flow; diffusion (more/less) blood to reach the site of
c. Bulk flow; osmosis blood vessel rupture.
d. Diffusion; osmosis Answer:
3. Fick’s Law states that the diffusion rate 8. Which of the following triggers the
of a gas will increase with greater common pathway to be activated at the
surface area for diffusion, greater end of both the extrinsic and intrinsic
concentration gradient of the ions, and pathways of blood coagulation?
greater membrane permeability. It will a. Vasoconstrict; less
decrease with increasing membrane b. Vasoconstrict; more
thickness. The biconcave shape of an c. Vasodilate; more
erythrocyte increases which factor of d. Vasodilate; less
Fick’s Law?
a. Surface area 9. Clotting factors activate more clotting
b. Concentration gradient factors. This is an example of a
c. Membrane permeability (positive/negative) feedback loop.
d. Membrane thickness Answer:
10. Vitamin K is used in our liver to produce
many clotting factors. In which ways do
4. You have a case of strep throat. Which of we maintain healthy vitamin K levels in
the following extremely common our bodies? Please select all that apply.
granular leukocytes will have elevated a. Diet
levels in your blood? b. Sunlight
a. Basophils c. Produced by bacteria
b. Eosinophils d. Our bodies convert foods to vitamin K
c. Lymphocytes
d. Neutrophils
11. A patient with B- blood, who has never 17. Which clotting factor stabilizes the
been exposed to the Rh antigen, insoluble fibrin clot?
receives a blood transfusion from a. Clotting factor I
someone B+. Will an agglutination b. Clotting factor III
reaction occur? c. Clotting factor X
a. Yes d. Clotting factor XIII
b. No
18. Which of the following are true of the
12. You have blood with antibodies against intrinsic pathway of blood coagulation?
both A and B antigens. What blood type Please select all that apply.
are you? a. It begins in the bloodstream.
a. A b. It is initiated by trauma that breaks the
b. B wall of a blood vessel.
c. O
d. AB 19. Vitamin K is required to produce which
of the following clotting factors? Please
13. Say you have type B blood. Antibodies select all that apply.
against which antigens are present? a. Prothrombin
a. A b. Antihemophilic factor A
b. B c. Hageman factor
c. Antigens A and B d. Proconvertin
d. Neither antigens A nor B
14. There is a patient in the emergency 20. In the absence of bradykinin, what
room that needs a blood transfusion. step(s) of fibrinolysis could not happen?
The patient has type AB blood. Which of Please select all that apply.
the following people would they be able a. Breaking down the fibrin of the clot
to accept the transfusion from? Please b. Vasodilation of the previously
select all that apply. constricted vessel
a. A person with type A blood c. Stabilization of contractile proteins in the
b. A person with type B blood platelets
c. A person with type O blood d. Restoration of normal circulation
d. A person with type AB blood
15. Which of the following substances
released by platelets function in
activating further clotting chemicals?
Please select all that apply.
a. Prostaglandins
b. Serotonin
c. Adenosine diphosphate
d. Phospholipids
16. The platelet plug phase of blood
clotting contributes to homeostasis.
Does it do so by using a positive or a
negative feedback loop?
a. Positive
b. Negative
c. Impossible to tell with the given
information
