Exam (elaborations)
NSG 530- EXAM 3 WILKES (EXAM 3 CHAPTER 37,38,39,) VERIFIED 100% CORRECT!!
- Course
- Institution
NSG 530- EXAM 3 WILKES (EXAM 3 CHAPTER 37,38,39,) VERIFIED 100% CORRECT!!
[Show more]
Content preview
NSG 530- EXAM 3WILKES (EXAM 3
CHAPTER 37,38,39,)
VERIFIED 100%
CORRECT!!
NSG 530
Evatee 9/4/24 NSG 530
,NSG 530- EXAM 3 WILKES (EXAM 3 CHAPTER
37,38,39,) VERIFIED 100% CORRECT!!
Role of digestive system Answer - produce energy from food ingested, transfer
energy-rich nutrients, water, and electrolytes into the body's internal
environment
gastrointestinal tract components Answer - mouth, esophagus, stomach, small
intestine, large intestine, rectum, anus
functions of the gastrointestinal system Answer - movement, secretion,
digestion, and absorption
alimentary canal Answer - GI tract-digestive tube that extends from the mouth
to the anus
single hallow tube
Layers of the gastrointestinal tract Answer - mucosa(outermost), submucosa,
muscularis, serosa/adventitia (innermost)
enteric (intramural) plexus Answer - controls mobility, secretion, sensation and
blood flow
functions of saliva Answer - lubrication, antibacterial action, pH regulation,
thermoregulation, enzymatic digestion
phases of swallowing Answer - oropharyngeal and esophageal
,oropharyngeal swallowing Answer - voluntary (striated) food formed into bolus
and forced towards pharynx
esophageal swallowing Answer - involuntary (smooth muscle) food bolus
enters esophagus, peristalsis occurs to move food down to lower esophageal
sphincter
how many permanent teeth are there in adults Answer - 32
three pairs of salivary glands Answer - parotid glands, sublingual glands,
submandibular glands
Saliva has a pH of Answer - about 7.4, used to neutralize bacterial acids and
prevents tooth decay
mucin Answer - sticky mucus that lines digestive and respiratory tract traps
microorganisms- provides lubrication
upper esophageal sphincter Answer - Keeps air from entering the esophagus
during respiration
lower esophageal sphincter Answer - Prevents regurgitation from the stomach
and caustic injury to the esophagus
Functions of the stomach Answer - stores food
secretes digestive juices
mixes food with the juices
propels partially digested food (chyme) into duodenum
, Chyme Answer - Partially digested, semiliquid food mixed with digestive
enzymes and acids in the stomach.
functional areas of the stomach Answer - the fundus (upper portion), body
(middle portion), and antrum (lower portion).
cardiac orifice Answer - opening between esophagus and stomach
pyloric sphincter Answer - ring of muscle that guards the opening between the
stomach and the duodenum
pylorus Answer - distal region of the stomach, opening to the duodenum
The stomach has three layers of muscle Answer - - longitudinal, circular, and
oblique (most prominent)
rugae Answer - the folds in the mucosa lining the stomach
the stomach is impermeable to what? Answer - water, but can absorb alcohol
and aspirin as they are lipid soluble.
blood to stomach is supplied by _____? Answer - celiac artery- abundant!
Three phases of gastric secretion Answer - 1. cephalic phase
2. gastric phase
3. intestinal phase
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller EvaTee. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $27.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79271 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now