Select all examples that demonstrate how inflammation protects the body. (Check all that apply.)
A. Clotting that occurs helps to isolate injurious agents.
B. During inflammation, blood vessels dilate, increasing the delivery of white blood cells to the area.
C. Blood vessels become more permeable and allow white blood cells to move into damaged tissue more easily.
D. Inflammation allows for the formation of antibodies that will help fight infectious agents.
Answer: C
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Beta cell destruction that causes type 1 diabetes mellitus is a(n) ________.
A. type II (antibody-dependent cytotoxic) hypersensitivity B. type III (immune complex) hypersensitivity C. type IV (delayed) hypersensitivity D. anaphylactic hypersensitivity E. type I (acute) hypersensitivity
In the process of homeoviscous adaptation, cells
A) Alter rates of chemical reactions. B) Alter membrane fluidity. C) Alter isozyme ratios. D) Switch to alternative biochemical pathways.
What does the juxtaglomerular complex do in response to decreased filtration pressure?
A) It increases aldosterone production and release. B) It increases ADH production and release. C) It decreases ADH production and release. D) It increases renin production and release. E) It decreases renin production and release.
A cell is bathed in a solution that contains 5 mmol/L of glucose. The intracellular concentration of glucose is 10 mmol/L. What is the most likely mechanism for the transport of glucose across the plasma membrane of this cell?
A. glucose uniporter B. Na+-glucose symporter C. Na+-glucose antiporter D. diffusion of glucose through the lipid bilayer of the membrane