Chapter 11: Autonomic And Motor Systems
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Chapter 11: autonomic and motor systems
- 1.The Autonomic Nervous System Innervates all but one effector organ. Which of the following?
- A.
Skeletal Muscle Cells
- B.
Cardiac Muscle
- C.
Smooth Muscle
- D.
Glands
- E.
Adipose Tissue
- 2.The ___________ Nervous System functions occur at a subconscious level.
- 3.The ANS is aka the _______ ______ __________
- 4.Effector organs of the autonomic nervous system include all of the following except
- A.
The heart muscle
- B.
Smooth muscle in the pupils of the eye
- C.
Respiratory muscles
- D.
Sweat glands
- E.
Salivary glands
- 5.According to the concept of dual innervation by the autonomic nervous system, if sympathetic activity inhibits pancreatic secretions, then the parasympathetic nervous system should
- A.
Inhibit pancreatic secretions as wel
- B.
Stimulate pancreatic secretions
- C.
Have no effect on pancreatic secretions
- 6.The adrenal medulla
- A.
Contains sympathetic postganglionic neurons
- B.
Is part of the brainstem
- C.
Releases epinephrine into the blood
- D.
Is part of the parasympathetic nervous system
- E.
Is controlled by the somatic nervous system
- 7.Which of the following receptor types does not activate G proteins?
- A.
Nicotinic cholinergic
- B.
Muscarinic cholinergic
- C.
ᵨ1 adrenergic
- D.
ᵦ1 adrenergic
- E.
ᵦ3 adrenergic
- 8.The origin of motor neurons is the
- A.
Ventral horn of the spinal cord
- B.
Dorsal horn of the spinal cord
- C.
Lateral horn of the spinal cord
- 9.Which of the following is the location of the cardiovascular regulatory centers?
- A.
Thalamus
- B.
Hypothalamus
- C.
Limbic system
- D.
Pons
- E.
Medulla oblongata
- 10.How many motor neurons innervate a single skeletal muscle cell
- A.
0
- B.
1
- C.
Several
- D.
Hundreds
- E.
Millions
- 11.The motor end plate is
- A.
The specialized synaptic terminal of the motor neuron
- B.
The specialized synaptic terminal of the autonomic postganglionic neurons
- C.
The specialized region of skeletal muscle innervated by a motor neuron
- D.
The specialized region of an effector organ innervated by an autonomic postganglionic neuron
- 12.Neurotransmitter is released from which portion of a postganglionic neuron?
- A.
Terminal bouton
- B.
Axon terminal
- C.
Varicosity
- D.
Cell body
- E.
Dendrites
- 13.Which branch of the ANS is most active when the body is at rest?
- 14.True or False: The communication between preganglionic neurons and postganglionic neurons in the ANS is one-to-one
- 15.Which neurons in the peripheral nervous system are cholinergic?
- 16.Which neurons in the peripheral nervous system are adrenergic?
- 17.A decrease in cAMP is associated with what class of adrenergic receptor?
- 18.Activation of a adrenergic receptors usually produces (excitation/ inhibition)?
- 19.ᵦ2 adrenergic receptors have a greater affinity for (epinephrine/ norepineohrine).
- 20.The motor end plate has (nicotinic/ muscarinic) cholinergic receptors.
- 21.The enzyme that degrades acetylcholine in the synaptic cleft is called _________.
- 22.Name two primary neurotransmitters in the peripheral nervous system
- 23.__________ are neurons that release acetylcholine
- 24.________ are neurons that release norepinephrine
- 25.Name two types of cholinergic receptors
- 26.Muscle cells innervated by only one motor neuron
- 27.Motor neuron + all muscle fibers it innervates
- 28.The synapse between a motor neuron and a skeletal muscle cell
- 29.Axon terminals of the motor neuron which store and release acetylcholine
- 30.Specialized region of a skeletal muscle fiber's plasma membrane located at the neuromuscular junction
- 31.Depolarization of the motor end plate of a skeletal muscle fiber caused by acetylcholine binding to nicotinic cholinergic receptors
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