Chapter 12: Nervous Tissue Principles of Anatomy and Physiology, 12th Edition, by Bryan Derrickson, Gerald Tortora.

Principles of Anatomy and Physiology, 12th Edition, by Bryan Derrickson, Gerald Tortora. Multiple Choice & Essays 1. Which of the following is not a function of the nervous system? a. Sensory function b. Integrative function c. Motor function d. All are functions of the nervous system Ans: D Level: easy Link: 12.1 2. The peripheral nervous system can be divided into: a. Somatic nervous system b. Autonomic nervous system c. Enteric nervous system d. All of the above Ans: D Level: easy Link: 12.3 3. The motor portion of the autonomic nervous system can be divided into: a. Sympathetic division b. Parasympathetic division c. Enteric division d. Both a and b e. All of the above Ans: D Level: easy Link: 12.3 4. This has the property of electrical excitability. a. Muscle cells b. Neurons c. All of the above d. None of the above Ans: C Level: medium Link: 12.2 5. This is the site of protein synthesis in a neuron. a. Mitochondria b. Nucleus c. Nissl body d. Dendrite e. Axon Ans: C Level: medium Link: 12.2 6. Nerve fiber refers to: a. Axon b. Dendrites c. Nissl body d. Both a and b e. All of the above Ans: D Lebel: medium Link: 12.2 7. This type of neuron has one main dendrite and one main axon. a. Multipolar neuron b. Bipolar neuron c. Unipolar neuron d. Purkinje cell e. Renshaw cell Ans: B Level: medium Link: 12.2 8. Schwann cells begin to form myelin sheaths around axons a. When neurons are injured b. During fetal development c. After birth d. Only in response to a disorder e. None of the above Ans: B Level: medium Link: 12.2 9. This contains neuronal cell bodies, dendrites, unmyelinated axons, axon terminals and neruoglia. a. Gray matter b. White matter c. Astrocytes d. Satellite cells e. Ependymal cells Ans: A Level: medium Link: 12.3 10. Which is not a type of channel used in production of an electrical signal in neurons? a. Leakage channel b. Voltage-gated channel c. Ligand-gated channel d. Mechanically gated channel e. Ion dependent channel Ans: E Level: easy Link: 12.4