Which of the following is NOT a detoxification mechanism of the liver?
A) Filtration of the blood
B) Formation of bile
C) Phase I and Phase II
D) Sweating
Answer: D) Sweating
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Match the vessel with the appropriate description.A. Supplies blood to the frontal lobes of the brainB. A circle of arteries at the base of the brainC. Supplies large portions of the lateral cerebral cortexD. Supplies the posterior portion of the cerebrumE. Formed by the bifurcation of the abdominal aortaAnterior cerebral artery
Fill in the blank(s) with the appropriate word(s).
Which of the following abdominopelvic regions is medial and completely superior to the belly button?
a. hypochondriac b. umbilical c. hypogastric d. epigastric
Contractions can occur in striated muscle as long as Ca2+ is present in the cytosol. As cytosolic levels of free Ca2+decrease, so does the ability for myosin to form cross-bridges with actin
This leads to relaxation of the muscle. You have found a novel muscle and are trying to determine if its relaxation processes are regulated in a manner analogous to vertebrate striated muscle. Describe some of the features of Ca2+regulation that you would expect to see in this novel muscle. What will be an ideal response?
When you walk past the tanks in an aquarium store, you see both physostomous and physoclistous fishes. Goldfish, for example, are physostomous, and cichlids (such as the popular convict cichlid) are physoclistous
Conduct a thought experiment comparing the responses of the two kinds of fishes to changes in air pressure. (Don't actually do this because it would be painful for the fishes.) a. Imagine that you put a goldfish and a cichlid into a jar half filled with water and then screwed on a lid to make an airtight seal. Protruding from the lid is a tube to which you can attach a vacuum pump and a valve that allows you to close off the tube. b. Pump some air out of the jar. What effect will doing that have on the air pressure inside the jar? How will each of the fishes respond to that change in pressure? How are those responses related to being physostomous or physoclistous? c. Now open the valve and allow air to enter the jar, returning the pressure quickly to its starting level. How will each of the fishes respond to this change in pressure? How are these responses related to being physostomous or physoclistous?