In order for an action potential to occur, a certain membrane potential called the ________ must be reached.
A. depolarization
B. sodium-potassium pump
C. threshold
D. hyperpolarization
Answer: C
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A state of unconsciousness in which an individual cannot be aroused even by strong stimuli is
A) somnolence. B) sleep. C) stupor. D) coma. E) a chronic vegetative state.
Many eukaryotes have myosin 2, but only __________ use it to build muscle
Fill in the blank with the correct word.
The combining forms for "vertebra" are ________________________________________ and vertebr/o
Fill in the blank(s) with correct word
Which of the following statements concerning the upper limb is false?
A. The wrist is the region between the forearm and the hand. B. The distal end of the radius articulates with the ulna and the carpals. C. The radius is the most commonly fractured bone in people over 50. D. Tendons and nerves pass through the carpal tunnel to enter the hand. E. The olecranon process is located on the distal end of the ulna.