Select the correct statement about lymph transport.
A) Under normal conditions, lymph vessels are very high-pressure conduits.
B) Lymph transport is only necessary when illness causes tissue swelling.
C) Lymph transport is faster than that occurring in veins.
D) Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles.
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Question 2) Which of the choices below explains why the arterioles are known as resistance vessels?
A) The contraction and relaxation of the smooth muscle in their walls can change their diameter.
B) They contain a large quantity of elastic tissue.
C) They distribute blood to various parts of the body.
D) Their prime function is the exchange of nutrients and wastes between the blood and tissue cells.
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Question 3) When the lymphatic structures of a limb are blocked due to tumors, the result is ________.
A) increased pressure in the lymphatics proximal in the limb to the blockage
B) abnormally high lymph drainage from the distal region
C) shrinkage of tissues distal in the limb to the blockage due to inadequate delivery of lymph
D) severe localized edema distal to the blockage of that limb
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Question 4) Which of the following is likely during vigorous exercise?
A) Blood flow to the kidneys increases.
B) Blood will be diverted to the digestive organs.
C) The skin will be cold and clammy.
D) Capillaries of the active muscles will be engorged with blood.
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Question 5) Arterial ________ provide alternate pathways for blood to get to an organ.
Fill in the blanks with correct word
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Question 6) Which cells are the main warriors of the immune system?
A) basophils
B) macrophages
C) lymphocytes
D) monocytes
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Question 7) Lymph leaves a lymph node via ________.
A) afferent lymphatic vessels
B) efferent lymphatic vessels
C) the cortical sinus
D) the subcapsular sinus
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Question 8) A family of peptides called ________ are released by the endothelium and are among the most potent vasoconstrictors known.
Fill in the blanks with correct word
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Question 9) Antibodies that act against a particular foreign substance are released by ________.
A) lymph nodes
B) plasma cells
C) T lymphocytes
D) medullary cords
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Question 10) Which of the following signs of hypovolemic shock is a relatively late sign?
A) increased heart rate
B) cold, clammy skin
C) rapidly falling blood pressure
D) rapid, thready pulse
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