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Anatomy Quiz on 10. Autonomic Nervous System , created by x x on 07/02/2019.

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10. Autonomic Nervous System

Question 1 of 31

1

Sympathetic Nervous system has cranial and sacral parts

Select one of the following:

  • True
  • False

Explanation

Question 2 of 31

1

Parasympathetic nervous system has long preganglonic and short postganglionic fibers

Select one of the following:

  • True
  • False

Explanation

Question 3 of 31

1

Hippocampus is a three-layered allocortex

Select one of the following:

  • True
  • False

Explanation

Question 4 of 31

1

Adrenal medulla cells are derived from modified postganglionic sympathetic neurons

Select one of the following:

  • True
  • False

Explanation

Question 5 of 31

1

Amygdaloid body is concerned with emotion control

Select one of the following:

  • True
  • False

Explanation

Question 6 of 31

1

Both preganglionic and postganglionic fibers of the sympathetic nervous system are myelinated

Select one of the following:

  • True
  • False

Explanation

Question 7 of 31

1

The pupil is small if the stellate ganglion is removed from the neck of the first rib

Select one of the following:

  • True
  • False

Explanation

Question 8 of 31

1

The rami communicated are associated only with the sympathetic division of the ANS

Select one of the following:

  • True
  • False

Explanation

Question 9 of 31

1

The adrenal medulla is considered a "misplaced" sympathetic ganglion by some

Select one of the following:

  • True
  • False

Explanation

Question 10 of 31

1

Which of the following is true in respect to the ciliary ganglion?

Select one of the following:

  • Sympathetic fibers synapse int he ciliary ganglion

  • Afferent fibers from the iris and cornea pass through the ganglion

  • The ganglion is located between the optic nerve and medial rectus

  • Parasympathetic fibers in the ganglion are derived from CN VII

  • Parasympathetic fibers in the ganglion are distributed to the retina and lens

Explanation

Question 11 of 31

1

Which of the nerves below provides parasympathetic supply of glandula parotidea

Select one of the following:

  • n petrosus profundus

  • n. glossopharyngeus

  • n. trigeminus

  • n. facialis

  • n. vagus

Explanation

Question 12 of 31

1

The sacral outflow of the parasympathetic (craniosacral) system enters the pelvic plexus via:

Select one of the following:

  • hypogastric nerves

  • pelvic splanchnic

  • pudendal nerves

  • sacral splanchnic nerves

Explanation

Question 13 of 31

1

Preganglionic parasympathetic nerve fibers within the pelvic( inferior hypogastric ) plexus arise from S@, 3,4 and enter the plexus via

Select one of the following:

  • gray rami communicantes

  • hypogastric nerves

  • pelvic splanchnic nerves

  • sacral splanchnic nerves

  • white rami communicates

Explanation

Question 14 of 31

1

Choose the statement that does not accurately reflect the differences between the somatic and autonomic motor systems

Select one of the following:

  • Somatic nerve fibers are fast-conducting; autonomic fibers are slow- conducting

  • Somatic leads to heart muscles; autonomic leads to skeletal muscle

  • Somatic impulses are excitatory only; autonomic impulses are excitatory or inhibitory

  • Somatic receptors have a specialised have a specialised motor end plate; autonomic receptors do not

Explanation

Question 15 of 31

1

Which is the true statement regarding the sympathetic nervous system?

Select one of the following:

  • Both preganglionic and postganglionic fibers are myelinted

  • Preganglionic neurons exit the spinal cord in the cervical and sacral regions

  • Adrenal medulla cells are derived from modifies postganglionic sympathetic neurons

  • The sympathetic nervous system is rarely activated as a unit

Explanation

Question 16 of 31

1

Regarding the parasympathetic division of the autonomic nervous system

Select one of the following:

  • parasympathetic preganglionic fibers are found in all cranial nerves

  • parasympathetic vasoconstrictor fibers are present int he salivary glands

  • parasympathetic postganglionic neurons are found in spinal ganglia from T1 to L2

  • parasympathetic postganglionic fibers secrete acetylcholine onto their target organs

Explanation

Question 17 of 31

1

Regarding the role of the sympathetic nerves to the eyes causes pupillary constriction

Select one of the following:

  • stimulation of the sympathetic nerves to the eyes causes pupillary constriction

  • activation of the sympathetic system causes vasodilation in the skin

  • activation of the sympathetic system causes vasoconstriction in the viscera and vasodilation in skeletal muscle

  • stimulation of the vagus nerves speed up the heart

Explanation

Question 18 of 31

1

The rami communications are designated white or gray depending on whether they are

Select one of the following:

  • from the sympathetic or parasympathetic system

  • in the thoracic or lumbar region

  • myelinated or not

  • from the white/ gray matter of the Central Nervous System

Explanation

Question 19 of 31

1

Parasympathetic nerves in the thorax

Select one or more of the following:

  • cause contraction of the muscle in the lung

  • supply sensory fibers to the lung

  • are secremotor to the oesophagus

  • cause the longitudinal muscle of the oesophagus to relax

  • supply sensory fibers to the pericardium

Explanation

Question 20 of 31

1

Which of the cranial nerves nuclei listed below are visceromotor (parasympathetic)

Select one or more of the following:

  • nucelus dorsalis nervi vagus

  • n. salivatorius caudalis

  • n. ambiguous

  • n. nervi facialis

  • n. solitarius

Explanation

Question 21 of 31

1

Postganglionic sympathetic neurons

Select one or more of the following:

  • release neurotransmitter acetylcholine

  • have non-myelinated axons

  • send short fibers to the target organs

  • have slow- conducting fibers

  • supply skeletal muscles

Explanation

Question 22 of 31

1

Regarding the sympathetic division fo the autonomic nervous system

Select one or more of the following:

  • acetylcholine is secreted by some sympathetic postganglionic fibers

  • most sympathetic preganglionic fibers secrete norepinephrine (noradrenaline)

  • sympathetic postganglionic neurons are found in spinal segments from T1 to L2

  • the sympathetic chain extends from the thoracic to the sacral regions of the spinal cord

  • sympathetic preganglionic neurons are foound in spinal lateral horns

Explanation

Question 23 of 31

1

Regrading the parasympathetic division of the autonomic nervous system

Select one or more of the following:

  • parasympathetic preganglionic fibers are found in all cranial nerves

  • parasympathetic postganglionic neurons are found in spinal ganglia from T1 to L2

  • parasympathetic postganglionic fibers secrete acetylcholine onto their target organs

  • parasympathetic preganglionic neurons are found in sacral segments

  • parasympathetic ganglia are close to the organ

Explanation

Question 24 of 31

1

Fill the blank spaces to complete the text.

The pelvis splanchnic nerves primarily carry to the plexuses

Explanation

Question 25 of 31

1

Fill the blank spaces to complete the text.

The pathway of parasympathetic fibers to the lacrimal gland is as follows:
CN VII- A : nerve of the pterygoid canal
B- : zygomatic branch of V2 -
C-

Explanation

Question 26 of 31

1

Fill the blank space to complete the text.

Parasympathetic and taste fibers fromt he horda tympani reach their destinations via

Explanation

Question 27 of 31

1

Fill the blank space to complete the text.

The ciliary muscle is supplied by the

Explanation

Question 28 of 31

1

Fill the blank space to complete the text.

The parasympathetic division uses fibers on the nerve to reach the heart, lungs, gastrointestinal tract, liver and pancreas

Explanation

Question 29 of 31

1

Fill the blank space to complete the text.

Preganglionic parasympathetic neurons of the glossopharygeal nerve synaps in the , which sends out postganglionic neurons to innervate the parotid gland

Explanation

Question 30 of 31

1

Fill the blank space to complete the text.

The "fight" or "flight" response is due primarily to the activation of nerves

Explanation

Question 31 of 31

1

Fill the blank spaces to complete the text.

Stimulating the vagus nerve will heart rate via increasing the effect of tone

Explanation

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