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Flashcards in Unit 4 Deck (178)
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30

The sympathetic preganglionic fibers pass in the ventral spinal root as myelinated fibers. True/False

True

31

To reach a sympathetic ganglion, the preganglionic sympathetic fibers behave as following, EXCEPT;
A. They synapse in the nearest ganglion.
B. They transverse the nearest ganglia to reach the celiac ganglion to synapse.
C. They transverse the nearest ganglia and ascend or descend in the sympathetic chain to reach another ganglion for synapse.
D. They transverse the sympathetic chain ganglia and reach the effecter organs to synapse.

D. They transverse the sympathetic chain ganglia and reach the effecter organs to synapse.

32

The postganglionic sympathetic fibers return to the spinal nerves through the (white/grey) rami communicans.

Grey ramus communicans

33

Most peripheral nerves contain postganglionic parasympathetic fibers. True/False

False - sympathetic

34

Peripheral autonomic activity is integrated at the brainstem which includes all of the following, EXCEPT;
a. limbic system
b. thalamus
c. hypophysis
d. hypothalamus.

C. Hypophysis

35

The internal carotid plexus communicates laterally with all of the following, EXCEPT;
a. pterygopalatine ganglion
b. ciliary ganglion
c. tympanic branch of the glossopharyngeal nerve
d. abducent nerve.

B. Ciliary ganglion

36

Name the nerve which sends vasomotor rami to the hypophysis cerebri.

Branches of the internal carotid plexus

37

Name the artery on which the right and left sympathetic system connects each other in the cranial cavity.

Anterior communicating artery

38

Name the sympathetic nerve which supplies the carotid body and pharyngeal plexus.

laryngopharyngeal branches of the medial branch of the superior cervical ganglion

39

The largest sympathetic cardiac nerve arises from the ______ ganglia.

middle cervical ganglion or sympathetic trunk

40

Name the sympathetic nerve which supplies the otic ganglion and to the genicular ganglion.

Middle meningeal plexus from the anterior branch of the superior cervical ganglion

41

Name the ganglia, which send branches to enclose the vertebral artery.

middle and cervicothoracic ganglia

42

Name the spinal cord segments which send the preganglionic sympathetic fibers to the head and neck.

T1-T5

43

Name the sympathetic nerve which loops the first part of the subclavian artery

Ansa subclavia from the middle cervical ganglion

44

The thoracic sympathetic trunk passes through the ___ to become lumbar sympathetic trunk.

Crus of the diaphragm or behind the medial arcuate ligament

45

The thoracic sympathetic trunk passes through or posterior to following structures, EXCEPT
a Medial arcuate ligament.
b Right crus of the diaphragm.
c. Lateral arcuate ligament
d. Left crus of the diaphragm.

C. Lateral arcuate ligament - subcostal or T12 nerve

46

The greater splanchnic nerve is formed by branches from the T5 to T9 or T10 ganglia. True/False

True

47

Name the thoracic sympathetic ganglia which form the lesser splanchnic nerve.

T9 and T10 ganglia

48

The lowest splanchnic nerve enters the abdominal cavity through the____.

Crus of the diaphragm or behind the medial arcuate ligament

49

How many lumbar sympathetic ganglia are in the human body on each side?

four

50

All of the following are correct description about the lumbar sympathetic ganglia and trunk, EXCEPT
a. Located in the retroperitoneal space.
b. Located anterolateral to the lumbar vertebra.
c. Located along the lateral margin of the psoas major.
d. Superiorly it is posterior to the medial arcuate ligament.

C located along the lateral margin of the psoas major

51

The first lumbar splanchnic nerve joins the following plexuses, EXCEPT
a. Celiac plexus.
b. Intermesenteric plexus.
c. renal plexus.
d. superior hypogastric plexus.

D Superior hypogastric plexus

52

Name the nerve which joins the hypogastric nerve from the lumbar sympathetic chain ganglia.

fourth lumbar splanchnic nerve

53

Name the artery on which the lower lumbar splanchnic nerves form a plexus.
a. Common iliac artery c. External iliac artery
b. Internal iliac artery d. Obturator nerve

a. Common iliac artery

54

The pelvic sympathetic trunk locates medial to the ventral sacral foramina. True/False

True

55

Which of the following is not a correct description of the pelvic sympathetic trunk with its ganglia?
a It sends grey rami communicantes to the sacral and coccygeal spinal nerves.
b It lies laterally to the ventral sacral foramina.
c It has four or five interconnected ganglia.
d Inferiorly the right and left trunk converge to the ganglion impar.

b It lies laterally to the ventral sacral foramina

56

The ganglion impar is the part of the parasympathetic nervous system. True/False

False
Sympathetic nervous system

57

The heart receives the sympathetic fibers from the
a. T1 – T5
b. T10 – L2
c. T9 – T10
d. T8 – L1

a. T1 – T5

58

The segmental sympathetic nerves to the kidney are;
a. T11 – L2
b. T11 – T12
c. T1 – T5
d. T10 – L1

d. T10 – L1

59

Name the two interconnecting ganglionated plexuses in the enteric nervous system.

Myenteric or Auerbach's plexus
Submucous or Meissner's and Henle's plexus