Peripheral resistance:
A. increases as blood viscosity increases
B. decreases as blood viscosity increases
C. increases with increased blood vessel diameter
D. is higher in arteries than capillaries
E. decreases with increasing blood vessel length
Ans: A. increases as blood viscosity increases
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Antibody functions include all of the following except ________.
A) binding and inactivating chemical toxins released by bacteria or other microorganisms B) cross-linking cell-bound antigens on red blood cells when blood types are properly matched C) linking soluble antigens together so that they fall out of solution D) targeting foreign cells so that complement proteins can cause cellular lysis
The molecule that serves as the major source of readily available fuel for neurons and blood cells is ________.
A) fat B) glucose C) acetyl CoA D) cellulose
What do the genioglossus, hyoglossus, and styloglossus muscles have in common?
A) All act on the tongue. B) All names indicate the relative size of the muscle. C) Each acts synergistically to elevate the jaw. D) All names reflect direction of muscle fibers.
The major inspiratory muscles—the muscles that contract to accomplish an inspiration during quiet breathing—include the __________ and __________ intercostal muscles
Fill in the blank(s) with correct word