Neurotransmitters and Pain Reflexes

EffectualJubilation avatar
EffectualJubilation
·
·
Download

Start Quiz

Study Flashcards

33 Questions

Which of the following actions results in the excitatory postsynaptic potential (EPSP) phenomenon?

The simultaneous opening of sodium and chloride channels

Which of the following actions results in the inhibitory postsynaptic potential (IPSP) phenomenon?

The opening of potassium channels

How does transmission of the electrical signal from the dendrites of a neuron to the cell body of the neuron occur?

Electrotonic conduction

Which location in the nervous system contains the neuronal circuit for walking?

The spinal cord

What is the effect of hypoventilation on blood pH and neuronal activity?

The first statement is not correct, the second statement is correct

Which type of nerve fiber has the slowest speed of transmission of the action potential?

Type C fibers

How does the number of action potentials generated in the axon attached to a receptor change as the receptor potential increases?

It 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?

serotonin

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

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.

False

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

Which of the following conditions cannot be corrected by placing a lens system in front of the eye?

hyperopia

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?

melanin

Which of the following statements is/are true?

All of the above

Which of the following statements is true about the number of action potentials in response to a receptor potential above the threshold for activation?

The number of action potentials will increase proportionally

Which sensory receptor has the slowest rate of adaptation to a stimulus?

None of the above

Which nerve fiber type has the fastest rate of transmission of action potentials?

Type A

Which statement is true about achieving gradations in signal intensity?

Both statements are true

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?

Fine touch would be absent on the left side of their body

Which sensation would remain intact in a patient with a transected spinal column on the left side at the level of C-6?

Pain and temperature on both sides of the body

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?

The left side of the body

Which of the following activities will NOT cause muscle contraction either directly or reflexly?

Stimulation of the Golgi tendon organ

What is the correct sequence of events in the patellar reflex (knee jerk reflex)?

Stretch of the muscle spindle receptor, activation of type 1a sensory fibers, activation of the alpha motor neuron, contraction of the quadriceps muscle

Match the neurological structure responsible for verbal and symbolic intelligence on the dominant hemisphere of the brain.

Wernike’s Area

Match the neurological structure responsible for timing and sequencing of motion.

Cerebellum

Match the neurological structure damage to which results in the condition called hemiballismus.

Subtantia Nigra

Match the neurological structure responsible for the creation of new memories.

Hippocampus

Match the neurological structure damage to which results in the condition called chorea.

Caudate Nucleus

Match the neurological structure pathology of which is associated with Parkinson’s disease.

Subtantia Nigra

Match the neurological structure responsible for recalling stored memories.

Thalamus

Which of the following symptoms is characteristic of cerebellar dysfunction?

Ataxia

Nicotinic receptors are located in which of the following structures?

In autonomic ganglia

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?

Point B

Test your knowledge on neurotransmitters and pain referral patterns with this quiz. Identify the neurotransmitter released by neurons in the periaqueductal gray area and learn about the specific areas where pain from the colon and ureter is referred to.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Use Quizgecko on...
Browser
Browser