Which one of the following pairs of structures distinguishes a nerve cell from other types of cells?
  • Biceps of upper arm - Smooth muscle fibres
  • Abdominal wall - Skeletal muscle
  • Heart wall - Involuntary unstriated muscle
  • Iris - Involuntary smooth muscle
Chemicals which are released at the synaptic junction are called
  • Nucleus and mitochondria
  • Vacuoles and fibres
  • Flagellum and medullary sheath
  • Perikaryon and dendrites
The junction between the axon of one neuron and the dendrite of the next is called
  • Lymph
  • Hormones
  • Neurotransmitters
  • Cerebrospinal fluid
The electrical potential difference between outside and inside of a nerve axon before excitation is known as
  • A joint
  • Constant bridge
  • Junction point
  • Synapse
Cells of Schwann are associated with
  • Spike potential
  • Resting potential
  • Activation potential
  • Reaction potential
  • Action potential
Nerve cells do not divide because they do not have
  • Skeleton muscle
  • Connective tissue
  • Cardiac muscle
  • Nervous tissue
  • Cartilage tissue
Which of the cells are phagocytic as well as scavengers?
  • Mitochondria
  • Golgi body
  • Centrosome
  • Nucleus
Nissl’s granules are present in
  • Microglia
  • Astrocytes
  • Oligodendrocytes
  • Neurons
Resting membrane potential is maintained by
  • RBC
  • WBC
  • Both 1 and 2 above
  • Nerve cells
Which one of the following does not act as a neurotransmitter?
  • Hormones
  • Neurotransmitters
  • Ion pumps
  • None of the above
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