Table 1.

Inquiry for the students

1. What kind of muscle is present in the gastrointestinal tract?a) Striated muscle
b) Smooth muscle
c) Striated and smooth muscle*
2. According to the options below, which best defines tetanic contraction?a) Muscular contraction debilitated due to inefficient release of neurotransmitters in the synaptic cleft.
b) Muscular contraction impaired due to excessive action of enzymes responsible for cleaving neurotransmitters.
c) Intense and sustained muscle contraction due to successive stimulation not allowing relaxation.*
d) Intense muscle contraction and sustained resulting from excessive production and release of neurotransmitters.
3. What is the major excitatory neurotransmitter released from the parasympathetic system in the gastrointestinal tract?a) Epinephrine/adrenaline
b) Dopamine
c) Acetylcholine*
d) Vasoactive intestinal polypeptide (VIP)
4. Select the correct option regarding the location of the ryanodine receptor in the muscle cells.a) Presynaptic membrane
b) Postsynaptic membrane
c) Membrane of the sarcoplasmic reticulum*
d) In the cytosol of muscle cells
  • * Expected correct item.