Test anatomy and Physiology of The nervous system
1. What is a synapse?
A. connection between the brain and the spinal cord
B. collection of neurons
C. connection between a neuron and another cell
2. What is one distinguishing feature of nerve impulses?
A. they travel quickly around the body
B. they travel slowly around the body
C. they use enzymes to transmit signals
3. Which structures form the central nervous system?
A. the brain and spinal cord
B. the spinal cord, brain and leg nerves
C. the brain and facial nerves
4. Which type of signal is transmitted in a neuron?
A. electrical
B. hormonal
C. mechanical
5. In what order do nerve impulses travel through the parts of a neuron?
A. dendrite, cell body, axon
B. axon, cell body, dendrite
C. dendrite, axon, cell body
6. Which stimulus would incite a withdrawal reflex?
A. feeling the temperature rise
B. touching a hot iron
C. touching a blunt object
7. Which of these is NOT a reflex action?
A. coughing
B. swallowing
C. breathing
8. Which of the following structures is NOT part of the reflex arc?
A. the motor neurons
B. the brain
C. the spinal cord
9. Which chemicals are used to communicate between synapses?
A. enzymes
B. hormones
C. neurotransmitters
10. Which system would the body use in reaction to a pain stimulus?
A. the endocrine system
B. the reflex arc
C. the central nervous system
11. What is of events in a reflex?
A. stimulus-motor neuron-sensory neuron-action
B. action-sensory neuron-motor neuron-stimulus
C. stimulus-sensory neuron-motor neuron-action
12. The medulla is continuous with which structure?
A. the spinal cord
B. the frontal cortex
C. the cranium
13. Which part of a neuron does the myelin sheath cover?
A. the dendrites
B. the axon
C. the axon and the dendrites
14. Which bony structure protects the spinal cord from damage?
A. the skull
B. the ribcage
C. the spinal column
15. Which structure regulates the heart beat?
A. the cerebellum
B. the medulla
C. the frontal cortex
16. The taste buds.
A. Mucosa B. Papillae C. Saliva
17. The transparent window at the front of the eye covered in tears.
A. Cornea B. Iris C. Retina
18. The outermost part of the ear made of cartilage that connects to the auditory tube.
A. Eardrum B. Cochlea C. Pinna
19. Three tiny bones in the inner ear that send stimuli to the cochlea.
A. Pinna, auditory tube, semicircular canals
B. Hammer, anvil, stirrup
C. Vitreous, aqueous, retina
20. The thin projection of bone at the midline that holds the cartilage.
A. Nasal hairs
B. Nasal root
C. Nasal spine