Biology 30 Nervous System

18 Questions | By Haleyvee | Last updated: Jan 22, 2013 | Total Attempts: 9984

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A quiz on The Nervous System. Material taken from Biology 30 Unit One Alberta Curriculum

Questions and Answers

1.

Nerves are bundles of neurons.
- A.
  
  True
- B.
  
  False
2.

Motor neurons control skeletal muscle movement and internal organs.
- A.
  
  True
- B.
  
  False
3.

Repolarization of a neuron involves the charge reversal across its membrane from -70mv to -40mv.
- A.
  
  True
- B.
  
  False
4.

Neurons are joined by spaces.
- A.
  
  True
- B.
  
  False
5.

Action potentials can only flow in one direction across a synapse.
- A.
  
  True
- B.
  
  False
6.

The resting membrane potential of a neuron is determined by the active diffusion of sodium and potassium ions across the outer membrane.
- A.
  
  True
- B.
  
  False
7.

The difference in positive charges across the neural membrane determines the negative voltage value of a neuron.
- A.
  
  True
- B.
  
  False
8.

The threshold level of a neuron refers to the minimum stimulus required to
- A.
  
  Open potassium gates
- B.
  
  Release acetylcholinesterase
- C.
  
  Open sodium gates
9.

Blocking the release of acetylcholinesterase would
- A.
  
  Increase synaptic transmission
- B.
  
  Decrease synaptic transmission
- C.
  
  Cause receptor sites to be blocked
10.

________ receive information, conducting towards the cell body
11.

_______ is the location of the nucleus, has a high metabolic rate, contains many mitochondria
12.

_______ is a fatty protein encasing many neurons, made by Schweann cells, acts as an insulator, speeds up transmission
13.

_______ a thin layer encompassing neurons in the peripheral nervous system, promoting their regeneration
14.

Voluntary muscle control, muscle movements, basic intelligence, personality
- A.
  
  Frontal Lobe
- B.
  
  Temporal Lobe
- C.
  
  Occipital Lobe
- D.
  
  Parietal Lobe
15.

Hearing
- A.
  
  Frontal Lobe
- B.
  
  Temporal Lobe
- C.
  
  Occipital Lobe
- D.
  
  Parietal Lobe
16.

Vision
- A.
  
  Frontal Lobe
- B.
  
  Temporal Lobe
- C.
  
  Occipital Lobe
- D.
  
  Parietal Lobe
17.

Skin and sensory information about body position
- A.
  
  Frontal Lobe
- B.
  
  Temporal Lobe
- C.
  
  Occipital Lobe
- D.
  
  Parietal Lobe
18.

White matter is
- A.
  
  Myelinated
- B.
  
  Non-myelinated