1. The main function of the small intestine is nutrient
absorption. Which of the following structural qualities of the
intestine increase absorption? Select all that apply.
a. Very long tube of almost 6 meters in length when relaxed.
b. Internal wall covered with fingerlike projections.
c. Cell membrane of epithelial cells with multiple foldings.
d. Higher pH than in the stomach in part by secretion of
bicarbonate.
-------------------------
1. What are the advantages of an open circulatory system? Select
all...
Potassium is a necessary nutrient in order to maintain the
function of our cells. What would occur to a person that is
deficient in potassium?
A. The excess sodium disrupts the membrane components.
B. The excess sodium increases action potential generation.
C. The cell would not be able to get rid of extra sodium.
D. The cell would not be able to bring sodium into the cell.
A patient has an under-functioning pancreas, which of the
following will NOT be affected?
A) Enzyme function in the small intestine. B) Polypeptide
digestion. C) Na+/K+ pump activity on the microvilli. D) Breakdown
of energy stores in response to fasting.
Which impact of COVID-19 has affected infrastructure the
most? Why did this occur? What happened? What do you expect in the
future relative to this impact?
Which regions of the U.S. have been affected the most by the
recession? What are the main reasons for their economic downfall?
What is the poverty rate in America? Which groups of the population
have been affected the most? Which regions?
How does the U.S. compare with the rest of the rich countries in
the world in terms of poverty rates and middle-class income?