1. Dr. Zahoor 1

2. Q.1 What is Autonomic Nervous System (ANS)? Q2. What are the divisions of ANS? Q3. Give the origin of Sympathetic ANS and Parasympathetic ANS? Q4. Draw diagram of Sympathetic and Parasympathetic ANS showing two neurons. [Preganglionic and Postganglionic neuron] 2

3. Q5.What is the difference between the length of Preganglionic and Postganglionic fiber in sympathetic and parasympathetic ANS? Q6. What is the chemical transmitter at Sympathetic ANS Preganglionic Fibers Chemical Transmitter - ____________ Postganglionic Fibers Chemical Transmitter - ____________ Parasympathetic ANS Preganglionic Fibers Chemical Transmitter - ___________ Postganglionic Fibers Chemical Transmitter - ____________ 3

4. Q7. What is the action of sympathetic and parasympathetic ANS at the following places? i). Heart - Rate - Force of Contraction ii). Blood Pressure iii). Bronchi iv). Pupil v). Sweat glands 4

5. vi). GIT motility, secretion - Effect on sphincter vii). Saliva viii). Blood vessel - Skeletal muscle blood vessel ix). Male sex organ x). Urinary bladder 5

6. Q8. Name the adrenergic receptors where nor-epinephrine and epinephrine acts? Q9. What types of adrenergic receptors are present in the following? i. Heart ii. Bronchi iii. Blood vessel iv. Skeletal muscle blood vessel v. GIT 6

7. Q10. What is the chemical transmitter at postganglionic sympathetic nerve ending supplying sweat glands? Q11. Acetylcholine released at postganglionic parasympathetic nerve ending act on ________ receptors at target or Effector organ. 7

8. Q12. What receptors are present at the ganglion in Sympathetic ANS and Parasympathetic ANS? Q13. What is Adrenal Medulla? Q14. What hormones are released by adrenal medulla? 8

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