How do lipid insoluble hormones affect targets within the cell?
a. They bind to channel proteins for transport into the cell.
b. They hydrolyze receptors for lipid soluble hormones, blocking their action.
c. They trigger the release of a second messenger in the cytoplasm.
d. Lipid insoluble hormones are synthesized and remain inside the cell.
c. They trigger the release of a second messenger in the cytoplasm.
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You are preparing to administer the first of two units of packed RBCs. Evaluate each of the following statements about the safe administration of blood.
Answer T or F. Discuss why the false statements are incorrect. 1. Prime the correct tubing and filter with normal saline. 2. Verify K.L.'s identification with the secretary in the endoscopy suite. 3. Obtain baseline vital signs before starting the transfusion. 4. Begin the transfusion at a rate of 125ml per hour 5. Take K.L.'s vital signs 30 minutes after starting the transfusion. 6. Complete the transfusion within 6 hours of receiving the unit.
Answer the question using the accompanying figure. The structure labeled “B” forms at the ____
a. junctions of A bands and I bands b. H zone c. junctions of A bands and H zones d. M line e. junctions of I bands and M lines
A scientist is studying the flow of energy into and out of a rain forest as well as the usage of energy by the organisms that inhabit that area. This study would be at the level of a(n)
A) population. B) biosphere. C) community. D) species. E) ecosystem.
Any collection of nerve cell bodies in the PNS is called a:
A) dendrite. B) ganglion. C) efferent nerve. D) afferent nerve.