If the right lateral spinothalamic tract is severed,
A) pain impulses from the left side are blocked.
B) muscles on the left side are paralyzed.
C) muscles on the right side are paralyzed.
D) pain impulses from the right side are blocked.
A
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If the enzyme RNA polymerase was completely inhibited within a cell, it could not
A) form complementary sequences of DNA. B) form spindle fibers. C) form proteins. D) form a new nuclear membrane during cell division. E) link pieces of DNA together.
Mean arterial pressure is
a. diastolic pressure + (systolic/3). b. systolic pressure + (pulse pressure/3). c. diastolic pressure + (pulse pressure/3). d. pulse pressure - (diastolic pressure/3). e. pulse pressure + (systolic pressure/3).
A severely dehydrated patient begins to experience the formation of random blood clots. Why is this happening?
A. Dehydration leads to a concentration of clotting factors which triggers the extrinsic mechanism of coagulation B. Dehydration stimulates vasospasms which in turn lead to clot formation C. Dehydration collapses the capillaries and exposes collagen which triggers the extrinsic mechanism of coagulation D. Dehydration leads to a concentration of clotting factors which triggers the intrinsic mechanism of coagulation
During endochondral ossification in a fetus, bones initially develop as a cartilage model surrounded by a connective tissue covering called the
a) periosteum. b) endosteum. c) perichondrium. d) perimysium. e) trabeculae.