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Circulatory and Lymphatic Questions

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Lymphatic system

1. Bean shape lymphatic organs found along lymphatic vessels are called...
a. lymph nodes
b. medullary cords
c. germinal centers
d. cistema chili

2. In innate immunity
a. each exposure is very specific
b. previous exposure are remembered
c. each exposure elicits approximately the same type of response
d. each exposure increases the strength of the immune response

3. Transplanted tissues and organs are..
a. self antigens
b. auto antigens
c. foreign antigens
d. antibodies

4. ----------- are part of cell mediated immunity while --------------- are part of antibody mediated immunity.
a. B cells / NK cells
b. T cells / B cells
c. Antibodies / antigens
d. Macrophages/ antibodies

4. Frequently, several different signals are required in order to elicit and immune response by T - cells and B- cells. This interdependence is termed ...
a. opsonization
b. antigen presentation
c. complement activation
d. costimulation

5. The type of cell responsible for a secondary response is a ....
a. mast cell
b. macrophage
c. memory cell
d. myelocyte

6. The HIV virus infects
a. B-cells
b. Cytotoxic T cells
c. Helper T cells
d. Suppressor T cells

7. Adaptive immunity is stimulated by...
a. antigens
b. histamine
c. complement
d. self and non self discrimination

Circulatory System

1. Plasma is _____ while formed elements are _____.
a. a blood gas / blood clots
b. the liquid portion of the blood / the cells
c. devoid of protein / regulators of blood osmolality
d. the cellular portion of blood / non-cellular components

2. An increase in hemoglobin increases...
a. the ability of blood to carry oxygen to the various tissues
b. the quantity of plasma proteins available for blood clotting
c. the leukocyte count
d. the body's immune response

3. Iron...
a. is needed to produce hemoglobin
b. is a coagulation factor
c. is the binding site for carrying most of the carbon dioxide in the blood
d. prevents carbon monoxide from binding to hemoglobin

4. If you are diagnosed with hemophilia, you have...
a. an increased erythrocyte count
b. an infection of the blood
c. a disorder of the blood clotting process
d. a type of cancer that affects white blood cells

5. In Hemolytic Disease of the Newborn, ...
a. antibodies from the mother cross the placenta and affect the fetus
b. hemolysis of white blood cells may occur
c. fibrin is hemolyzed
d. the mother frequently dies during childbirth

6. Which of the following layers forms the bulk of the heart wall?
a. pericardium
b. epicardium
c. myocardium
d. endocardium

7. Coronary artery disease can diminish myocardial blood flow, resulting in the death of myocardial cells. This condition is known as...
a. a myocardial infarction
b. angina
c. pericarditis
d. congestive heart failure

8. The chamber of the heart that endures the greatest pressures is the...
a. right atrium
b. right ventricle
c. left atrium
d. left ventricle

9. Which of the following might increase an individual's risk of developing cardiovascular disease?
a. stopping smoking
b. exercising regularly
c. maintaining normal serum cholesterol / lipoprotein levels
d. chronic stress

10. What is the order of the blood vessels through which a red blood cell would pass as it leaves the heart, travels to a tissue, and then returns to the heart?
a. arteriole > artery > capillary > vein > venule
b. capillary > arteriole > artery > vein > venule
c. artery > arteriole > capillary > venule > vein
d. vein > capillary > artery > arteriole > venule

11. The exchange of nutrients and gases between the blood and tissues occurs principally in the...
a. arteries
b. capillaries
c. veins
d. none of the above

12. According to the physics of blood flow, as the diameter of a blood vessel increases, the blood pressure within that vessel will...
a. increase
b. decrease
c. remain unchanged
d. fluctuate

13. When there is a drop in the blood pressure, the body reacts immediately via the...
a. baroreceptor reflex
b. renin-angiotensin system
c. CNS ischemic reflex
d. atrial natriuretic hormone

Write the letter of the word or phrase that best matches each numbered question.
There is only one (1) BEST answer for each question..

For questions 14 - 18,

A Returns blood to the heart from the head and neck
B Returns blood to the heart from the lower extremities
C Returns blood to the heart from the lungs
D Carries blood from the right ventricle to the lungs
E Carries blood from the left ventricle into the systemic circulation

14. _____ Pulmonary Vein

15. _____ Superior Vena Cava

16. _____ Inferior Vena Cava

17. _____ Pulmonary Trunk

18. _____ Aorta

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Solution Summary

Answers to specific circulatory and lymphatic system multiple choice questions with explanations of answers.

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Lymphatic system

1. Bean shape lymphatic organs found along lymphatic vessels are called...

a. lymph nodes
b. medullary cords
c. germinal centers
d. cistema chili

a) lymph nodes. http://www.sirinet.net/~jgjohnso/lymphatic.html

2. In innate immunity

a. each exposure is very specific
b. previous exposure are remembered
c. each exposure elicits approximately the same type of response
d. each exposure increases the strength of the immune response

c) Innate immunity is a very broad line of defense that elicits nearly the same response upon each exposure. There is no memory unlike in adaptive immunity or the ability to learn after each exposure. Some examples of innate immune barriers are things as simple as skin and mucus. There are also certain cell types that respond to general viral infections. For more information see http://en.wikipedia.org/wiki/Immune_system

3. Transplanted tissues and organs are..
a. self antigens
b. auto antigens
c. foreign antigens
d. antibodies

c) Foreign antigens. Transplanted tissues and organs come from a different source than the host that they are being transplanted into. Therefore they would have cell-surface proteins that are specific to their source and not the host. The host would recognize them as being forward and create antibodies to destroy them. This is why transplant patients are given immune suppressants prior to transplantation. Antigens are the proteins on the cell surface recognized by antibodies. Self-antigens would be the same as the hosts. Auto antigens are self antigens that are recognized by the host and destroyed even though they are their own.

4. ----------- are part of cell mediated immunity while --------------- are part of antibody mediated immunity.

a. B cells / NK cells
b. T cells / B cells
c. Antibodies / antigens
d. Macrophages/ antibodies

d) Macrophages, NK cells and T cells are apart of the cell-mediated immunity. The antibody-meditated immunity requires B cells (these cells produce antibodies), antigens and antibodies. See ...

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