Which of the following functional types of neurons is found in mammals?

Related Mcqs:

1. ______ receive information from other neurons; _________ transmit information other neurons.

   A. synapses, cell bodies
   B. Dendrites, axon buttons
   C. Axon buttons dendrites
   D. Axon; cell bodies

2. Which of the following is true of afferent neurons?

   A. located in the dorsal column of spinal cord
   B. located in the ventral column of spinal cord
   C. not located in spinal cord
   D. found only in striated muscles

3. Certain neurons in one of the following parts of midbrain appear to influence transitions between sleep and wakefulness and the rate and pattern of breathing:

   A. Medulla
   B. Pons
   C. Cerebellum
   D. All of these

4. Regarding the electrical activity of neurons, which of the following is?

   A. Neurons are integrators; they can have a vast number of different inputs, but they produce just a single output signal, which they transmit to their targets
   B. There is a small voltage difference between the inside and the outside of the neuron in it resting state, known as the action potential
   C. The inputs to neurons are tiny amounts of chemical neurotransmitters
   D. In the steady state neurons, there is an active pumping of ions across the neuronal membrane

5. In myelinated neurons the impulse jumps from node to rode (rod of Ranvier). This is called:

   A. Nerve impulse
   B. Saltatory impulse
   C. Presynaptic impulse
   D. Postsynaptic impulse

6. In one of the followings, the nervous system consists of a network of neurons present between the ectoderm and endoderm:

   A. Planaria
   B. Mosquito
   C. Toad
   D. Hydra

7. A deeper plexus is embedded in parenchyma of one of the followings in addition to a superficial network of neurons:

   A. Planaria
   B. Jelly fish
   C. Sea anemone
   D. Coral

8. The contact: points between two neurons in the form of microscope gaps are known as:

   A. Synaptic vesicles
   B. Synaptic knobs
   C. Synapses
   D. All of the above

9. One of the followings plays a vital role in nutrition of neurons and their protection by myelin sheath:

   A. Axons
   B. Dendrites
   C. Neuroglia
   D. Nissl’s granules

10. Which, if any, of the following are true? 1: Each region of the neocortex may contain more specialized modules. 2: Damage to a given volume of neocortical tissue tends to be more profoundly disabling than damage to the same volume of the subcortex. 3: Functional neuro-imaging methods allow us to observe which brain regions are active.

    A. 1 & 2
    B. 2 & 3
    C. 1 & 3
    D. None