Download Chapter 2 quiz level - easy topic: neurons

Chapter 2 quiz level - easy topic: neurons
Name___________________________________
Period________
Date_________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) There are approximately ________ neurons in the brain of an average human being.
A) 100 million
B) 100 trillion
C) 100 billion
D) 100 thousand
1)
2) The human brain contains somewhere between ________ and ________ neurons.
A) 10 billion; 100 billion
B) 10 million; 20 million
C) 50 million; 100 million
D) 2 trillion; 5 trillion
2)
3) Specialized cells in the brain which send and receive information are called:
A) gonads.
B) ganglia
C) limbic cells.
3)
D) neurons.
4) The smallest part of the nervous system is called a ________.
A) gland
B) nerve
C) neuron
D) lobe
5) The cell which underlies the activity of the entire nervous system is the ________.
A) glial cell
B) T-cell
C) neuron
D) epidermal cell
5)
6) The short fibers which extend from the cell body, allowing it to receive messages from other
neurons are ________.
A) nerve bundles
B) dendrites
C) axons
D) synapses
6)
7) The function of the neuron's dendrite is to ________.
A) conduct electrical impulses toward other neurons
B) insulate against leakage of electrical impulses
C) regulate the neuron's life processes
D) receive messages from neighboring neurons
7)
8) The function of the neuron's axon is to ________.
A) conduct electrical impulses toward other neurons
B) insulate against leakage of electrical impulses
C) regulate the neuron's life processes
D) receive messages from neighboring neurons
8)
9) Neurons are:
A) bundles of nerves.
B) cells in the brain that are believed to help clean and feed brain cells.
C) chemical transmitters found in the hypothalamus.
D) cells that send and receive information.
9)
1
Walker_Maryann
4)
Wednesday, September 21, 2011 10:32:53 AM ET
10) The basic message-carrying cells of the nervous system are labeled:
A) neurons.
B) nerves.
C) dendrites.
10)
D) ganglia.
11) Within a neuron, information always flows from ________.
A) cell body to axon to dendrite
B) axon to cell body to dendrite
C) cell body to dendrite to axon
D) dendrite to cell body to axon
11)
12) The white, fatty covering that surrounds some axons is ________.
A) glial tissue
B) the synaptic cleft
C) the cell membrane
D) the myelin sheath
12)
13) Terminal buttons are located ________.
A) at the end of the dendrite
C) at the end of the axon
13)
B) in the cell body
D) in the nodes of the myelin sheath
14) Terminal buttons release chemicals called ________.
A) antibodies
B) neurotransmitters
C) antigens
D) hormones
14)
15) Neurons typically have ________.
A) many axons and many dendrites
C) one axon and one dendrite
15)
B) one axon and many dendrites
D) many axons and one dendrite
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
16) There are as many as 100 billion neurons in the brain of an average human being.
16)
17) The short fibers branching out from the cell body of a neuron are called axons.
17)
18) The axon carries outgoing messages from the cell body.
18)
19) The axon of a neuron is often surrounded by a fatty covering called the myelin sheath.
19)
2
Walker_Maryann
Wednesday, September 21, 2011 10:32:53 AM ET
Answer Key
Testname: CH 2 TEST NEURONS 1
1) C
2) A
3) D
4) C
5) C
6) B
7) D
8) A
9) D
10) A
11) D
12) D
13) C
14) B
15) B
16) TRUE
17) FALSE
18) TRUE
19) TRUE
3
Walker_Maryann
Wednesday, September 21, 2011 10:32:53 AM ET