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Chapter 5: Coordination & Control

60 Questions 60 Minutes Pass: 60%
1 ______ is a junction that controls communication between a neuron and another cell.
2 Which of the following is a major inhibitory neurotransmitter in the CNS?
3 The brainstem in humans consists of which three parts?
4 Where is the limbic system located?
5 Which brain component regulates emotions, fear, and sexual arousal?
6 Olfactory epithelium is relatively small in:
7 Cranial nerves primarily innervate organs of the:
8 What occurs during steps 2 and 4 of an action potential?
9 Myelin in the CNS is produced by:
10 Nissl’s granules in neurons are clusters of:
11 Hyperpolarization occurs when the membrane potential becomes:
12 The neurotransmitter released at neuromuscular junctions is:
13 Which row correctly describes sensory, motor, and interneurons?
14 Neurotransmitters bind to receptors on the:
15 A neurotransmitter that can be excitatory or inhibitory is:
16 The sodium-potassium pump moves:
17 Which receptor-energy pairing is correct?
18 Electrical synapses are more common in:
19 Resting membrane potential is approximately:
20 The neuron transmitting an action potential to a synapse is called:
21 Conduction velocity increases with:
22 Low dopamine levels cause:
23 Maximum signal speed in giant axons is about:
24 Motor neurons transmit impulses to:
25 Hyperpolarization involves:
26 Depolarization is caused by:
27 Postsynaptic depolarization leads to:
28 Glial cells do NOT:
29 Electrical synapses use:
30 The refractory period lasts about:
31 Saltatory conduction occurs in:
32 PNS myelin is produced by:
33 Action potentials trigger ______ channel opening at axon terminals:
34 Excess dopamine is linked to:
35 Repolarization is due to:
36 Intracellular K+ concentration is ______ higher than extracellular:
37 Which ion does NOT contribute to cytoplasmic negativity?
38 Nissl’s granules are found in:
39 Monosynaptic reflex example:
40 At rest, Na+ is ______ outside the axon:
41 Another term for action potential is:
42 A reflex arc has ______ components:
43 EPSP occurs during:
44 Neurotransmitters derived from amino acids include:
45 Serotonin affects:
46 Most vertebrate synapses are:
47 Hyperpolarized membrane potential is:
48 Neurons have more leakage channels for:
49 Reflex action pathway is called:
50 Resting membrane permeability is highest for:
51 Saltatory conduction speed can reach:
52 Node of Ranvier is a gap between:
53 Inhibitory neurotransmitters include:
54 Threshold potential is approximately:
55 Correct receptor pairing:
56 Autonomic nervous system neurotransmitters:
57 A reflex action is:
58 Depolarization shifts membrane potential from:
59 Non-myelinated axon regions are called:
60 Which acts as a transducer in sensory systems?