Podcast
Questions and Answers
Which of the following actions results in the excitatory postsynaptic potential (EPSP) phenomenon?
Which of the following actions results in the excitatory postsynaptic potential (EPSP) phenomenon?
- The opening of sodium channels
- The simultaneous opening of sodium and chloride channels (correct)
- The opening of chloride channels
- The opening of potassium channels
Which of the following actions results in the inhibitory postsynaptic potential (IPSP) phenomenon?
Which of the following actions results in the inhibitory postsynaptic potential (IPSP) phenomenon?
- The opening of potassium channels (correct)
- The opening of sodium channels
- The opening of voltage gated calcium channels
- The opening of voltage gated sodium channels
How does transmission of the electrical signal from the dendrites of a neuron to the cell body of the neuron occur?
How does transmission of the electrical signal from the dendrites of a neuron to the cell body of the neuron occur?
- Capacitive discharge
- Electrotonic conduction (correct)
- An action potential
- Short circuit current flow
Which location in the nervous system contains the neuronal circuit for walking?
Which location in the nervous system contains the neuronal circuit for walking?
What is the effect of hypoventilation on blood pH and neuronal activity?
What is the effect of hypoventilation on blood pH and neuronal activity?
Which type of nerve fiber has the slowest speed of transmission of the action potential?
Which type of nerve fiber has the slowest speed of transmission of the action potential?
How does the number of action potentials generated in the axon attached to a receptor change as the receptor potential increases?
How does the number of action potentials generated in the axon attached to a receptor change as the receptor potential increases?
Which neurotransmitter is released by neurons of the periaqueductal gray area of the nervous system as they connect with the neurons of the nucleus raphe magnus?
Which neurotransmitter is released by neurons of the periaqueductal gray area of the nervous system as they connect with the neurons of the nucleus raphe magnus?
True or False: Pain from the colon is referred to the lower abdominal area below the umbilicus, and pain from the ureter is referred to the lower back.
True or False: Pain from the colon is referred to the lower abdominal area below the umbilicus, and pain from the ureter is referred to the lower back.
True or False: Hyperopia is a condition in which the refractive surfaces of the eye bring the light rays to a focal point behind the retina, and it can be corrected by a concave lens because this lens will converge the light rays and bring them to a focal point on the retina.
True or False: Hyperopia is a condition in which the refractive surfaces of the eye bring the light rays to a focal point behind the retina, and it can be corrected by a concave lens because this lens will converge the light rays and bring them to a focal point on the retina.
True or False: Damage to the cornea is a serious condition because the cornea is responsible for focusing the visual image on the retina.
True or False: Damage to the cornea is a serious condition because the cornea is responsible for focusing the visual image on the retina.
Which of the following conditions cannot be corrected by placing a lens system in front of the eye?
Which of the following conditions cannot be corrected by placing a lens system in front of the eye?
Which of the following substances is responsible for keeping the sodium channels open in the outer segments of the rods and cones in low light conditions?
Which of the following substances is responsible for keeping the sodium channels open in the outer segments of the rods and cones in low light conditions?
Which of the following statements is/are true?
Which of the following statements is/are true?
Which of the following statements is true about the number of action potentials in response to a receptor potential above the threshold for activation?
Which of the following statements is true about the number of action potentials in response to a receptor potential above the threshold for activation?
Which sensory receptor has the slowest rate of adaptation to a stimulus?
Which sensory receptor has the slowest rate of adaptation to a stimulus?
Which nerve fiber type has the fastest rate of transmission of action potentials?
Which nerve fiber type has the fastest rate of transmission of action potentials?
Which statement is true about achieving gradations in signal intensity?
Which statement is true about achieving gradations in signal intensity?
What sensory deficit would you expect to see in a patient with a transected spinal column on the left side at the level of C-6?
What sensory deficit would you expect to see in a patient with a transected spinal column on the left side at the level of C-6?
Which sensation would remain intact in a patient with a transected spinal column on the left side at the level of C-6?
Which sensation would remain intact in a patient with a transected spinal column on the left side at the level of C-6?
On which side would you expect the sensation of vibration to be absent in a patient with a transected spinal column on the left side at the level of C-6?
On which side would you expect the sensation of vibration to be absent in a patient with a transected spinal column on the left side at the level of C-6?
Which of the following activities will NOT cause muscle contraction either directly or reflexly?
Which of the following activities will NOT cause muscle contraction either directly or reflexly?
What is the correct sequence of events in the patellar reflex (knee jerk reflex)?
What is the correct sequence of events in the patellar reflex (knee jerk reflex)?
Match the neurological structure responsible for verbal and symbolic intelligence on the dominant hemisphere of the brain.
Match the neurological structure responsible for verbal and symbolic intelligence on the dominant hemisphere of the brain.
Match the neurological structure responsible for timing and sequencing of motion.
Match the neurological structure responsible for timing and sequencing of motion.
Match the neurological structure damage to which results in the condition called hemiballismus.
Match the neurological structure damage to which results in the condition called hemiballismus.
Match the neurological structure responsible for the creation of new memories.
Match the neurological structure responsible for the creation of new memories.
Match the neurological structure damage to which results in the condition called chorea.
Match the neurological structure damage to which results in the condition called chorea.
Match the neurological structure pathology of which is associated with Parkinson’s disease.
Match the neurological structure pathology of which is associated with Parkinson’s disease.
Match the neurological structure responsible for recalling stored memories.
Match the neurological structure responsible for recalling stored memories.
Which of the following symptoms is characteristic of cerebellar dysfunction?
Which of the following symptoms is characteristic of cerebellar dysfunction?
Nicotinic receptors are located in which of the following structures?
Nicotinic receptors are located in which of the following structures?
In the figure above, at which point/s indicated by the letters A through C will the subjective sensation of rotation be absent with the subject's eyes closed?
In the figure above, at which point/s indicated by the letters A through C will the subjective sensation of rotation be absent with the subject's eyes closed?
