YMCA L2 Anatomy - Nervous System
.
- 1.What is the term given to the nervous system’s function of ensuring that the body maintains balance in order to operate effectively and efficiently?
- A.
Homeostasis
- B.
Osteoporosis
- C.
Diffusion
- D.
Cilliaendosis
- 2.Which division of the nervous system is responsible of nerve signals?
- A.
Central Nervous System
- B.
Peripheral Nervous System
- C.
Autonomic Nervous System
- D.
Somatic Nervous System
- 3.The central nervous system is made up of
- A.
Brain and spinal cord
- B.
Nerves
- C.
Glands
- D.
Organs
- 4.Which of the following is not a role of the nervous system?
- A.
Produce hormones
- B.
Sensory changes
- C.
Analyse and interpret
- D.
Motor output
- 5.How many pairs of nerves are found in the peripheral nervous system?
- A.
31
- B.
33
- C.
35
- D.
28
- 6.Which division of the nervous system is responsible for the carrying of messages?
- A.
Peripheral Nervous System
- B.
Central Nervous System
- C.
Automatic Nervous System
- D.
Somadic Nervous System
- 7.Which part of the autonomic nervous system is responsible for speeding everything up?
- A.
Sympathetic
- B.
Parasympathetic
- C.
Unsympathetic
- D.
Desympathetic
- 8.Which part of the autonomic nervous system is responsible for slowing everything down?
- A.
Parasympathetic
- B.
Sympathetic
- C.
Desympathetic
- D.
Unsympathetic
- 9.Which division of the peripheral nervous system is responsible for all voluntary actions?
- A.
Somatic
- B.
Autonomic
- C.
Automatic
- D.
Promatic
- 10.Which division of the peripheral nervous system is responsible for all involuntary actions?
- A.
Autonomic
- B.
Somatic
- C.
Automatic
- D.
Promatic
- 11.The role of a motor neuron is to transmit a nerve impulse
- A.
To effector organs
- B.
To the brain
- C.
To the spinal cord
- D.
To the senses
- 12.Which neuron transmits the messages from the brain to the muscles/glands?
- A.
Motor neurons
- B.
Interneurons
- C.
Sensory neurons
- D.
Effector neurons
- 13.Which of the following is responsible for transmitting impulses towards the cell body?
- A.
Dendrites
- B.
Axon
- C.
Myelin sheath
- D.
Cytoplasm
- 14.According to the ‘all or none’ principle, the strength of muscle contraction is determined by
- A.
The size and number of motor units being stimulated
- B.
One muscle fibre contracting maximally
- C.
The opposing muscles relaxing
- D.
Size of the stimulus
- 15.The 'all or none law' states that
- A.
The strength of muscle fibre contraction depends on the size of the stimulus
- B.
A muscle fibre either contracts maximally or not at all
- C.
For a muscle to contract, its opposing muscle must relax
- D.
A strong muscle contraction is needed for coordinated movement to occur
- 16.Which of the following is a neuromuscular adaptation to high-intensity short duration exercise?
- A.
Increase in type I muscle fibres and improved resistance to fatigue
- B.
Frequency of nerve impulses to motor units increase
- C.
Improved protein storage and availability as a fuel for exercise
- D.
Reduced synchronous recruitment of motor units
- 17.Which of the following is not a benefit of enhanced neuromuscular connections?
- A.
Increased stroke volume, cardiac output and heart rate
- B.
Strengthening/growing new connections within the nervous system
- C.
Speeding up the frequency of nerve impulses to the motor units
- D.
Improved synchronous recruitment of motor units resulting in stronger muscle contractions
- 18.Regular aerobic exercise can improve motor fitness by
- A.
Enhancing the growth of new connections within the nervous system
- B.
Increasing the proportion of type II muscle fibres
- C.
Improving the ability to store glycogen and fat as fuels for exercise
- D.
Reducing synchronous recruitment of motor units
- 19.Which nervous system is responsible for the ‘fight or flight’ response that speeds up the heart rate?
- A.
Central
- B.
Motor
- C.
Sympathetic
- D.
Parasympathetic
- 20.Which neuron is responsible for taking messages to the brain?
- A.
Sensory
- B.
Interneurons
- C.
Motor
- D.
Effector
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