Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

GI Physiology > 5.3.1. Overview of the Stomach - Anatomy and Function > Flashcards

5.3.1. Overview of the Stomach - Anatomy and Function Flashcards

1
Q

When does the relaxation of the Stomach occur?

A

After the relaxation of the Lower Oesophageal Sphincter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What happens as the Lower Oesophageal Sphincter Relaxes?

A

The Bolus enters into the Stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the Lower Oesophageal Sphincter also referred to as?

A

The Cardiac Opening / Sphincter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the Vagal Reflex?

A

A Reflex which causes the relaxation of the Smooth Muscle of the Fundus and Body of the Stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What initiates the Vagal Reflex?

A

Relaxation of the Lower Oesophageal Sphincter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does the Vagal Reflex allow for?

A

The expansion of the Stomach, increasing the Stomach Volume (from 50ml to 1500ml)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Is there a change in pressure after the Vagal Reflex has occurred?

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are Rugae?

A

Folds of the Mucosa and Sub-Mucosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the function of Rugae?

A

They stretch and expand as the stomach fills

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the 3 layers of the Muscularis Externa in the Stomach?

A
  1. The Longitudinal Muscle
  2. The Circular Muscle
  3. The Oblique Muscle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the functions of the Stomach?

A
  1. A Temporary Store for Ingested Material
  2. The Sterilization of Ingested Material
  3. To Dissolve the Bolus and Initiate the Digestive Process
  4. Control the Release of Chyme into the Duodenum
  5. To Produce Intrinsic Factor in the Parietal Cells
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the 4 main parts of the Stomach?

A
  1. The Fundus of the Stomach
  2. The Body of the Stomach
  3. The Antrum of the Stomach
  4. The Pyloric Canal of the Stomach
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the function of the Fundus of the Stomach?

A

The Storage of the Bolus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the function of the Body of the Stomach?

A
  1. The Storage of the Bolus
  2. The Production of:
    a) Mucus
    b) Pepsinogen
    c) Hydrochloric Acid
    d) Intrinsic Factor
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the function of the Antrum of the Stomach?

A
  1. The Mixing and Grinding of the Bolus

2. The Production and Secretion of Gastrin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the Gastric Glands made up of?

Superficial to Deep

A
  1. A Mucous Cell Neck
  2. Parietal Cells
  3. Chief Cells
17
Q

What occurs before every Gastric Gland?

A

A Conduit known as a Gastric Pit

18
Q

What is the Gastric Pit composed of?

A

Surface Mucous Cells

19
Q

What does the Mucous Cell Neck produce?

A

Mucous

20
Q

What do the Parietal Cells produce?

A
  1. Hydrochloric Acid

2. Intrinsic FActor

21
Q

What do the Chief Cells produce?

A

Pepsinogen

GI Physiology (22 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions