Package Title: Test Bank
Course Title: IHB9e
Chapter Number: 11
Question type: Multiple Choice
1) Which of the following statements about the autonomic nervous system (ANS) is NOT true?
a) regulates the size of the pupils
b) uses a single neurotransmitter called acetylcholine
c) consists of two motor subdivisions
d) regulates visceral activities
e) controls involuntary effectors
Answer: b
Difficulty: Medium
Learning Objective 1: LO 11.1 Compare the main structures and functions of the somatic and autonomic parts of the nervous system.
Section Reference 1: Section 11.1 Comparison of Somatic and Autonomic Nervous Systems.
2) The first motor neuron in an autonomic pathway is called a
a) preganglionic neuron.
b) postganglionic neuron.
c) autonomic ganglion.
d) sympathetic neuron.
e) parasympathetic neuron.
Answer: a
Difficulty: Medium
Learning Objective 1: LO 11.2 Describe the location and function of somatic pathways.
Learning Objective 2: LO 11.2.1 Identify the structural features of the autonomic nervous system.
Section Reference 1: Section 11.2 Structure of the Autonomic Nervous System.
3) The sympathetic division of the ANS is also referred to as the
a) autonomic division.
b) craniosacral division.
c) thoracolumbar division.
d) somatic division.
e) ganglionic division.
Answer: c
Difficulty: Medium
Learning Objective 1: LO 11.2 Describe the location and function of somatic pathways.
Learning Objective 2: LO 11.2.2 Compare the organization of the autonomic pathways in the sympathetic and parasympathetic divisions.
Section Reference 1: Section 11.2 Structure of the Autonomic Nervous System.
4) All of the following are sympathetic ganglia EXCEPT:
a) sympathetic trunk ganglia
b) celiac ganglia
c) superior mesenteric ganglia
d) basal ganglia
e) inferior mesenteric ganglia
Answer: d
Difficulty: Hard
Learning Objective 1: LO 11.2 Describe the location and function of somatic pathways.
Learning Objective 2: LO 11.2.2 Compare the organization of the autonomic pathways in the sympathetic and parasympathetic divisions.
Section Reference 1: Section 11.2 Structure of the Autonomic Nervous System.
5) Which of the following statements does NOT accurately describe a characteristic of the autonomic nervous system?
a) Autonomic pathways consist of two types of motor neurons.
b) ANS stimulation of involuntary effectors is always excitatory.
c) The output (motor) portion of the ANS can be divided into two principal branches.
d) The postganglionic neuron lies entirely in the peripheral nervous system.
e) All of the answer selections describe characteristics of the ANS.
Answer: b
Difficulty: Medium
Learning Objective 1: LO 11.1 Compare the main structures and functions of the somatic and autonomic parts of the nervous system.
Section Reference 1: Section 11.1 Comparison of Somatic and Autonomic Nervous Systems.
6) Sympathetic preganglionic neurons
a) originate in the brainstem and sacral region of the spinal cord.
b) originate in the cerebrum of the brain.
c) originate in the thoracic and lumbar region of the spinal cord.
d) tend to be relatively long.
e) synapse in the terminal ganglion.
Answer: c
Difficulty: Medium
Learning Objective 1: LO 11.2 Describe the location and function of somatic pathways.
Learning Objective 2: LO 11.2.2 Compare the organization of the autonomic pathways in the sympathetic and parasympathetic divisions.
Section Reference 1: Section 11.2 Structure of the Autonomic Nervous System.
7) The brain region that controls most autonomic responses is the
a) hypothalamus.
b) cerebrum.
c) cerebellum.
d) thalamus.
e) epithalamus.
Answer: a
Difficulty: Medium
Learning Objective 1: LO 11.3 Describe the functions of the sympathetic and parasympathetic divisions of the autonomic nervous system.
Section Reference 1: Section 11.3 Functions of the Autonomic Nervous System.
8) All of the following are common effectors of the ANS EXCEPT:
a) cardiac muscle
b) smooth muscle
c) skeletal muscle
d) nervous tissue
e) all of the listed answers are common ANS effectors
Answer: c
Difficulty: Easy
Learning Objective 1: LO 11.1 Compare the main structures and functions of the somatic and autonomic parts of the nervous system.
Section Reference 1: Section 11.1 Comparison of Somatic and Autonomic Nervous Systems.
9) The ___ nervous system contains sensory neurons and motor neurons associated with voluntary actions only.
a) peripheral
b) somatic
c) autonomic
d) central
e) parasympathetic
Answer: b
Difficulty: Medium
Learning Objective 1: LO 11.1 Compare the main structures and functions of the somatic and autonomic parts of the nervous system.
Section Reference 1: Section 11.1 Comparison of Somatic and Autonomic Nervous Systems.
10) Which of the following is true of BOTH the parasympathetic and sympathetic divisions of the autonomic nervous system?
a) have long preganglionic neurons
b) have ganglia located next to the effectors
c) use acetylcholine as the neurotransmitter in the ganglia
d) use acetylcholine to excite the effector
e) have long postganglionic neurons
Answer: c
Difficulty: Medium
Learning Objective 1: LO 11.2 Describe the location and function of somatic pathways.
Learning Objective 2: LO 11.2.2 Compare the organization of the autonomic pathways in the sympathetic and parasympathetic divisions.
Section Reference 1: Section 11.2 Structure of the Autonomic Nervous System.
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