The neurotransmitter(s) associated with autonomic ganglia is (are) ________
A) norepinephrine (NE)
B) dopamine
C) acetylcholine (ACh)
D) acetylcholine (ACh) and norepinephrine (NE)
E) dopamine and norepinephrine (NE)
C
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The corticospinal pathway begins in which area of the brain?
A) somatosensory cortex B) primary motor cortex C) midbrain D) vestibular nuclei E) red nuclei
A muscle twitch differs from a tetanic contraction in that:
A) the tetanic contraction is considered abnormal, while the twitch is a normal muscle response B) the tetanic contraction is caused by a single stimulus, while the twitch is caused by very rapid multiple stimuli C) the muscle twitch is prolonged and continuous while a tetanic contraction is brief and jerky D) the muscle twitch occurs only in small muscles while a tetanic contraction occurs in large muscle groups E) the muscle twitch is a brief and jerky movement, while the tetanic contraction is prolonged and continuous
Movement of the forearm includes __________.
A. pronation and supination B. flexion and extension C. supination and flexion D. extension and pronation
Rolita had the mumps as a child and experienced swelling in the parotid glands. What do these glands secrete?
A) oil B) tears C) saliva D) sweat