Nutrient absorption mostly happens in the ____
a. stomach
b. small intestine
c. colon
d. pancreas
e. esophagus
ANSWER: b
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The ____Lophotrochozoan phylum contains the most species, with about 100,000 living species described
a. Rotifera b. Mollusca c. Platyhelminthes d. Annelida e. Nemertea
Which of the following is not true of influenza?
A. H5N1 is the bird flu strain that may cause a pandemic. B. Influenza B viruses undergo both antigenic drift and antigenic shift. C. Antigenic drift changes the antigens to reduce immune recognition. D. Antigenic shift causes changes in the RNA strands. E. Influenza has glycoprotein spikes of hemagglutinin (H) and neuraminidase (N).
Which of the following is NOT a secretion of the
stomach? a. pepsinogen b. mucus c. gastrin d. hydrochloric acid e. lipase
Explain how disruptions in normal microbiota can lead to infections
What will be an ideal response?