Heliobacter pylori is a species of bacteria that causes stomach ulcers. It does this by burrowing into the mucosal lining of the stomach and degrading it to form a hole. By doing so, what type of innate defense is it overcoming?
A. Inflammation
B. Mechanical barriers
C. Chemical barriers
D. Species resistance
Answer: B
Anatomy & Physiology
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Helper T cells bind to antigen complexed with class II MHC proteins, while cytotoxic T cells bind to antigen complexed with class I MHC proteins
Indicate whether the statement is true or false.
Anatomy & Physiology
Lymph nodes contain blood sinuses and red and white pulp.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
In a normal heart, what is the average amount of blood that's left in the ventricle at the end of systole when ejection is complete?
a. 155 mL b. 125 mL c. 95 mL d. 65 mL e. 45 mL
Anatomy & Physiology
Where in the cell are amino acids assembled into proteins?
A. Mitochondrion B. Ribosome C. Nucleus D. Golgi complex E. Endoplasmic reticulum
Anatomy & Physiology