Which of the following are divisions of the peripheral nervous system?
a) Somatic nervous system
b) Autonomic nervous system
c) Enteric nervous system
d) All of these choices
d
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If a secondary oocyte is fertilized and successfully implants in the uterine lining,
A. the corpus albicans secretes gonadotropin-inhibiting hormone to prevent further follicular development. B. the uterine lining undergoes a proliferative phase. C. the ovarian cycle begins again. D. the corpus luteum is maintained until the placenta begins to secrete estrogen and progesterone. E. All of the choices are correct.
The ____________________ and ____________________ bursae, which are associated with the shoulder joint, are joined together.
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
1. Several muscles of facial expression are stimulated by the facial nerve. In other words, these muscles are innervated by the facial nerve. 2. Most athletic injuries can be prevented by conditioning, stretching, and warm-up exercise. 3. Injury to the deep fibular nerve would cause inability to extend one's toes. 4. As axon diameter increases, the conduction speed of an action potential decreases. 5. The nervous system employs exclusively electrical means to send messages, whereas the endocrine system communicates by means of chemical messengers.
An emulsion is classified as a specific type of
A. suspension. B. solution. C. colloid.