Ask Question, Ask an Expert


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

Write a paper about pandainstruction is given belowbullyour

Write a paper about PANDA. Instruction is given below. • Your position paper should be from 3 pages in length! (Reference page excluded) • Provide evidence as to why the animal has become endangered and emphasize the eff ...

What water depth do reef corals prefer how does water depth

What water depth do reef corals prefer? How does water depth control coral growth? Explain the development of atolls.

A bond with a par value of 1000 and a semi annual coupon

A bond with a par value of $1000 and a semi annual coupon has a nominal yield to maturity of 5.3% and a current price of $920. If the bond has 6 years to maturity, what is its current yield?

Ocean systemsaccording to the law of conservation of energy

Ocean Systems According to the law of conservation of energy, energy cannot be created or destroyed, but it can change from one form to another 1. A boy doing a cannonball into the pool. He went from potential to kinetic ...

A child is born with a genetic disorder in which there is a

A child is born with a genetic disorder in which there is a deletion of part of a chromosome, and the child is predicted to be severely mentally retard. Which diagnosis should the nurse expect to see on the infant s char ...

Differentiate between ectoderm mesoderm and endoderm and

Differentiate between ectoderm, mesoderm and endoderm and list what tissues arise from each.

If instead of making an energy drink you come up with an

If instead of making an energy drink, you come up with an energy injection, how would that affect the ingredients you put into the shot? Think in terms of polarity and tonicity.

1 how does the structure of dna double helix determine how

1. How does the structure of DNA (double helix) determine how the genetic information is passed on? 2. How does the cell use the information contained in the DNA to construct proteins (transcription and translation)?

How to apply kantian and utilitarian theories to the

How to apply Kantian and Utilitarian theories to the situation that existed at Memorial Medical Center in the days immediately after Hurricane Katrina, was Dr. Anna Pou's treatment of the LifeCare patients on the seventh ...

Please follow the rubric with the name tina jones

Please follow the rubric with the name tina jones 28-year-old female admitted to shadow general hospital for a right infected foot after cutting it on a ladder falling off a stepstool, turned into cellulitis. Treated in ...

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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