MESS Anatomy: MET Flashcards

1
Q
A
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2
Q

soft palate is innervated by which nerve? [1]

what happens to soft palate when swallowing? [1]

A

soft palate is innervated by vagus nerve !

what happens to soft palate when swallowing? [1]
elevates to during swallowing to prevent food from entering nasal cavity

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3
Q

which salivary gland has ducts that open either side of the frenelum? [1]

A

which salivary gland has ducts that open either side of the frenelum? [1]
submandibular !

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4
Q

which salivary gland has ducts opening along the plica subligualise? [1]

A

which salivary gland has ducts opening along the plica subligualise? [1]

sublingual

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5
Q

Parotid gland is innervated by which nerve? [1]

submandibular and sublingual nerves are innervated by which nerve? [1]

A

Parotid: Glossopharyngeal nerve CN IX (via auriculotemporal nerve (V3))

Submandibular and sublingual: Facial nerve CN VII (chorda tympani branch which travels in lingual nerve (V3))

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6
Q

what divdes the anterior and posterior portion of the tongue? [1]

what is found at the point of ^ V shape? [1]

A

what divdes the anterior and posterior portion of the tongue? [1]
sulcus terminalis

what is found at the point of ^ V shape? [1]
foramen cecum

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7
Q

4 intrinsic tongue muscles? [4[

innervated by? [1]

A

Superior longitudinal
Inferior longitudinal
Transverse
Vertical

Innervation = hypoglossal nerve (CN XII)

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8
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9
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10
Q

which muscles of mastication help to close the mouth? [3]

which muscles of mastication help to open the mouth?[1]

which nerve innervates the muscles of mastication? [1]

A

which muscles of mastication help to close the mouth? [3]

  • Temporalis
  • Masseter
  • Medial pterygoid

which muscles of mastication help to close the mouth?[1]
- lateral pterygoid

which nerve innervates the muscles of mastication? [1]

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11
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12
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13
Q

what is the function of the buccinator? [1]

A

Function = pulls back the angle of the mouth and to flatten the cheek area

This is important in chewing as it keeps the food in the correct position in the mouth BUT it is not a muscle of mastication

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14
Q

what are the 5 branches of the facial nerve? [5]

A

 Temporal  Zygomatic  Buccal  Mandibular  Cervical

Two Zulus Bit My Cat

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15
Q

which nerve innervates sensation to the face?

a) trigeminal nerve
b) facial nerve
c) glossopharnyngeal
d) vagus nerve
e) hypoglossal

what are the three sensory portions? [3]

A

which nerve innervates sensation to the face?

  • *a) trigeminal nerve**
    b) facial nerve
    c) glossopharnyngeal
    d) vagus nerve
    e) hypoglossal

V1: opthamalic
V2
:maxilary
V3: mandibular

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16
Q

which nerves innervate the following parts of the pharnyx?

A
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17
Q

which muscle acts as the upper oesophogeal sphincter (OUS)? [1]

what is the innervation like for this muscle? [1]

A

which muscle acts as the upper oesophogeal sphincter (OUS)? [1]
cricopharngeaus

what is the innervation like for this muscle? [1]
vagus nerve

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18
Q

* which muscle of the pharynx elevates the pharnyx during swallowing? *

which nerve innervates this muscle?

A

* which muscle of the pharynx elevates the pharnyx during swallowing? *
stylopharyngeus

which nerve innervates this muscle?
glossopharyngeus

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19
Q

Gag reflex:

sensory innervation: ?

motor innervation?

A

Gag reflex:

sensory innervation: CN IX

motor innervation: CN X

20
Q

which of the following is not a suprahyoid muscle?

Stylohyoid
Digastric
Sternohyoid
Geniohyoid
Mylohyoid

A

which of the following is not a suprahyoid muscle?

Stylohyoid
Digastric
Sternohyoid
Geniohyoid
Mylohyoid

21
Q

which of the following is not an infrahyoid muscle?

Geniohyoid
Sternohyoid
​Omohyoid
Sternothyroid
Thyrohyoid

A

which of the following is not an infrahyoid muscle?

Geniohyoid
Sternohyoid
​Omohyoid
Sternothyroid
Thyrohyoid

22
Q
A
23
Q
A
24
Q

the mesentary connects which two structures? [2]

A

the mesentary connects which two structures? [2]
small intestine to the posterior abdominal wall

25
Q

the greater omentum connects which two structures? [2]

A

the greater omentum connects which two structures? [2]
stomach (greater curvature) to transverse colon !!

26
Q

the lesser omentum connects which two structures? [2]

A

the lesser omentum connects which two structures? [2]
liver -> stomach

27
Q

what is the sphincter of oddi / what is its role?

A

The sphincter of Oddi refers to the smooth muscle that surrounds the end portion of the common bile duct and pancreatic duct. This muscle relaxes during a meal to allow bile and pancreatic juice to flow into the intestine.

28
Q

the ileum ends at which exact point? [1]

A

the ileum ends at the ilio-caecal junction in the right iliac fossa [1]

29
Q
A
30
Q

whats this?

A

ligamentum teres

31
Q
A
32
Q
A
33
Q

what thoracic level are of the following?

a) coeliac trunk
b) SMA
c) IMA
d) aortic bifurcation

A

what thoracic level are of the following?

  • *a) coeliac trunk: L12
    b) SMA: L1
    c) IMA: L3
    d) aortic bifurcation : L4**
34
Q

what level are the renal arteries at?

A

L1/2

35
Q

Three main branches of the coeliac trunk?

A

Left gastric

Splenic

Common hepatic

36
Q

f

A
37
Q
A
38
Q

which two arteries supply the lesser curvature of the stomach & what is their orgins? [2]

which two arteries supply the greater curvature of the stomach & what is their orgins? [2]

which artery supplies the fundus & origin?

A

which two arteries supply the lesser curvature of the stomach & what is their orgins? [2]
Right gastric (from common hepatic)
Left gastric (from coeliac trunk)

which two arteries supply the greater curvature of the stomach & what is their orgins? [2]
Right gastroepiploic (from gastroduodenal)
Left gastroepiploic (from splenic)

which artery supplies the fundus & origin?
short gastric arteries (from splenic)​

39
Q
A
40
Q

describe the path of the spermatic cord from start -> scrotum [4]

A

starts at:
-deep inguinal ring -> inguinal canal –> superficial inguinal ring –> scrotum

41
Q

where is the cremaster muscle? [1]

what is its function? [2]

A

location: thin layer of striated muscle found in the inguinal canal and scrotum between the external and internal layers of spermatic fascia, surrounding the testis and spermatic cord.

function: regulate the temperature of the testis and to protect it from extrinsic trauma.

42
Q

what is this muscle?

A

cremaster muscle

43
Q

what are the layers of the spermatic cord? [3] where do each layer originate from [3]

A

superficial –> deep:

external spermatic fascia (from transveralis fascia)

cremaster muscle (from internal oblique)

external spermatic fascia (from external oblique)

44
Q

what is the difference betwenen a direct and indirect hernia? [2]

A

what is the difference betwenen a direct and indirect hernia? [2]

The difference is in the anatomical location:
Direct hernias protrude through the posterior (back) wall of the inguinal canal.
Indirect hernias protrude through the inguinal ring

45
Q

direct hernias pass directly through which structure? [1]

A

direct hernias pass directly through: hasslebachs triangle

46
Q
A