Which activity will result in the recruitment of the highest number of motor units?
A) lifting a 10-lb barbell
B) lifting a 2-lb barbell
C) lifting a 25-lb barbell
D) lifting a 5-lb barbell
C
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Which of the following is NOT an example of computer hardware?
a. modem c. printer b. mouse d. Word Perfect
What organs are innervated by postganglionic neurons originating from the submandibular and otic ganglia?
A. Lacrimal glands B. Salivary gland C. Heart D. Lungs
Food is normally prevented from entering the nasopharynx by the
A. elevation of the epiglottis. B. elevation of the soft palate. C. constriction of the esophagus. D. depression of the hard palate. E. closure of the nasal conchae.
The rete testis
A. receives sperm from the seminiferous tubules. B. is the nerve plexus that supplies the testis. C. is a venous network that cools the arterial blood traveling to the testis. D. transports seminal fluid to the efferent ductules. E. is the site of spermiogenesis.