Antibodies secreted in breast milk
A. provide natural active adaptive immunity.
B. are IgA antibodies.
C. promote inflammation.
D. are IgG antibodies.
E. include the cytokine interleukin 2.
Answer: B
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Susan recently had bariatric surgery, removing 85% of her stomach tissue. After surgery, she should expect reduced absorption of vitamin B12.
Answer the following statement true (T) or false (F)
Caffeine and related stimulants exert their effects by
A) inhibiting a specific neuromodulator. B) inhibiting a specific neurotransmitter. C) mimicking a specific neuromodulator. D) mimicking a specific neurotransmitter.
Chromosomes are shaped like the letter Z
Indicate whether the statement is true or false
Both acetylcholine and norepinephrine can affect
A) synthesis of actin and myosin. B) skeletal muscle contraction. C) exercise tolerance. D) smooth muscle contraction.