A solution with a pH of 3 has 20 times more hydrogen ions than a solution with a pH of 5.
Indicate whether the statement is true or false
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Question 2) Where would you be most likely to find MALT?
A) in the inguinal region
B) in the lining of the small intestine
C) in the center of a lymph node
D) in the pharynx
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Question 3) Neutralization reactions that occur between an acid and a base are a type of exchange reaction.
Indicate whether the statement is true or false
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Question 4) Lymph nodes contain two distinct regions: the inner ________ and the outer ________.
A) medulla; cortex
B) capsule; cortex
C) cortex; medulla
D) cortex; germinal center
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Question 5) Electrolytes conduct electrical currents in solution.
Indicate whether the statement is true or false
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Question 6) Which tonsils are most commonly removed during a tonsillectomy due to childhood tonsillitis?
A) palatine tonsils
B) submandibular tonsils
C) pharyngeal tonsils
D) lingual tonsils
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Question 7) The lower the pH, the greater the number of hydrogen ions released by a chemical into solution.
Indicate whether the statement is true or false
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Question 8) What is the role of the lymphatic system in the metastasis of cancers?
A) The lymphatic system does not play a role in the prevention or promotion of cancer metastasis.
B) Cells from established tumors enter lymphatic vessels. Eventually, secondary tumors develop in other parts of the body.
C) Cells from established tumors enter lymphatic vessels and are degraded in lymphoid nodules. This prevents the development of tumors in other parts of the body.
D) Cells from established tumors enter lymphatic vessels and are destroyed by lymphocytes in the lymph nodes. This action prevents the development of tumors in other parts of the body.
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Question 9) Water is the single most abundant inorganic compound in the human body.
Indicate whether the statement is true or false
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Question 10) A patient visits her doctor for a routine checkup. The doctor observes lymphadenopathy, or swollen lymph nodes in the side of the patient's neck. The patient says, Those have been swollen for a few months, but I have felt fine that whole time. Indeed there are no other symptoms. What is a likely cause of this problem?
A) The patient is developing a bacterial infection.
B) The patient needs a tonsillectomy.
C) The patient is HIV positive.
D) The patient is recovering from the flu.
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