Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

describe understanding the anatomy and physiology of digestive system

1._____________ is associated with food stretching the stomach as well as activating myenteric and vasovagal reflexes which in turn stimulate gastric secretions.
1) The cephalic phase
2) The gastric phase
3) The intestinal phase
4) The gastrointestinal phase
5) The mesenteric phase
2.____________ transport lipids to the surface of the intestinal absorptive cells, which process them into _________________.
1) Fat droplets; micelles
2) Fat droplets; chylomicrons
3) Micelles; fat globules
4) Micelles; chylomicrons
5) Fat globules; micelles
3. describe these nutrients are all absorbed without being digested except
1) water.
2) vitamins.
3) proteins.
4) minerals.
5) cholesterol.
4. describe Absorption of many nutrients starts in the stomach.
1) True
2) False
5. describe most fat is digested by pancreatic lipase.
1) True
2) False
6. describe the digestive system processes food, extracts nutrients, and eliminates the residue.
1) True
2) False
7. describe why are several digestive enzymes secreted as zymogens?
1) because this saves one step in their synthesis
2) because gastric cells do not have the necessary enzymes for their synthesis
3) so they start digesting intracellular proteins of the gastric cells more quickly
4) so they act only in the stomach lumen and do not digest intracellular proteins
5) so they can start digesting dietary proteins more quickly
8. describe the small intestine has a very large absorptive surface associated with all these structures except
1) circular folds (plicae circulares).
2) intestinal length.
3) microvilli.
4) villi.
5) rugae.
9. describe the buccal phase of swallowing is under _____________ control and the pharyngo-esophageal phase is ______________.
1) central nervous system; also controlled by the central nervous system
2) central nervous system; controlled by autonomic reflexes
3) autonomic nervous system; controlled by autonomic reflexes
4) voluntary; also voluntary
5) involuntary; also involuntary
10. describe chemical digestion breaks down ____________ into _____________.
1) proteins- nucleotides
2) amino acids, proteins
3) polysaccharides and amino acids
4) nucleic acids and nucleotides
5) fatty acids and cholesterol
11.______________ is a hormone and whereas ________________ is an enzyme.
1) Enterokinase and pepsin
2) Gastrin and secretin
3) Gastrin and cholecystokinin (CCK)
4) Gastric lipase and histamine
5) Secretin and pepsin
12. describe acid reflux into the esophagus ("heartburn") is normally prevented by
1) pharyngeal constrictors.
2) the upper esophageal sphincter.
3) the lower esophageal sphincter (LES).
4) esophageal glands.
5) pharyngeal and buccal sphincters.
13. describe Amino acids and monosaccharides are absorbed in the ____________, and fatty acids are absorbed in the _______________.
1) small intestine and large intestine
2) small intestine and liver
3) stomach and small intestine
4) stomach and large intestine
5) small intestine and small intestine too
14. describe both pancreatic juice and bile are secreted into the duodenum.
1) True
2) False

Biology, Academics

  • Category:- Biology
  • Reference No.:- M917539

Have any Question? 


Related Questions in Biology

Answer the following questionwhat is the domain and kingdom

Answer the following question: What is the domain and kingdom for an organism that has a nucleus, is not motile, and does not perform photosynthesis? What is taxonomy? What role does this serve? How does taxonomy assist ...

Question 1briefly explain the control of feeding by the

Question 1 Briefly explain the control of feeding by the hypothalamus. Question 2 Compare and contrast the functions of estrogen, testosterone and oxytocin in reproductive behavior. Question 3 What evidence shows that th ...

1 describe the difference between a tumor suppressor gene a

1. Describe the difference between a tumor suppressor gene, a proto-oncogene, and an oncogene. Provide an example of each. 2. Cervical cancer is mainly caused by human papilloma viruses (HPVs). Explain how viruses contri ...

Focus on case studies in neurologyfor this assignment you

Focus on Case Studies in Neurology For this assignment you will respond to three case studies. What is a Case Study? "A case study is a narrative used to help you practice real-life analysis and communication skills. It ...

In the region where your live southeasternga which types of

In the region where your live (Southeastern/GA), which types of ecosystems have experienced the worst degradation and loss? What steps could be taken to restore them?

Plants pend towards the source of of light on account of

Plants pend towards the source of of light on account of the movement curvature called?

Describe the performance of a urinalysis including

Describe the performance of a urinalysis, including equipment.

Explain how the decline in genetic diversity with distance

Explain how the decline in genetic diversity with distance from Africa supports the Out of Africa hypotheses.

Imagine you do a test cross between a purple-flowered pea

Imagine you do a test cross between a purple-flowered pea plant having serrated leaves (a dominant trait) and a white-flowered pea plant having smooth edges. If the purple-flowered plant is heterozygous for both traits, ...

1 compare and contrast asexual and sexual reproduction2

1. Compare and contrast asexual and sexual reproduction. 2. Explain why both sexual and asexual reproductive strategies still exist (ie, why doesn't every organism reproduce sexually? Why doesn't every organism reproduce ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen