The all-or-none principle states that
A) all stimuli great enough to bring the membrane to threshold will produce action potentials of identical magnitude.
B) all stimuli will produce identical action potentials.
C) the greater the magnitude of the stimuli, the greater the intensity of the action potential.
D) only motor stimuli can activate action potentials.
E) only sensory stimuli can activate action potentials.
A) all stimuli great enough to bring the membrane to threshold will produce action potentials of identical magnitude.
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Muscles that flex the elbow are innervated by (the)
A) axillary nerve. B) ulnar nerve. C) radial nerve. D) musculocutaneous nerve. E) both the radial and musculocutaneous nerves.
Place the classes of vertebrae in order as they are situated in the vertebral column from superior to inferior. 1. cervical vertebrae 2. coccygeal vertebrae 3. lumbar vertebrae 4. sacral vertebrae 5. thoracic vertebrae
A) 1, 3, 5, 4, 2 B) 1, 5, 3, 2, 4 C) 1, 3, 5, 2, 4 D) 1, 5, 3, 4, 2
Which of the following is not normally found in plasma?
A) Glycogen B) Fibrinogen C) Urea D) Albumin E) Glucose