Exam 4 IClicker Questions Flashcards
What layer of the GIT wall contains blood vessels, collagen, and elastin?
submucosal layer
Which form of gastrin is secreted in response to a meal
little gastrin
Which candidate hormone is secreted in response to decreased blood glucose
enteroglucagon
which area of the GIT has the highest rate of slow waves
- large intestine
- duodenum
- ileum
- stomach
duodenum
which enzyme allows H+ pylori to survive the acidic environment of the stomach
urease
Which ion varies with flow rate of pancreatic juice
- Na+
- Cl-
- K+
- H+
Cl-
Which species consumes a natural diet high cellulose, a complex polysaccharide
horse
Which enzyme will cleave bonds of oligosaccharides released from starch
- alpha-amylase
- alpha-dextrinase
- maltase
alpha-dextrinase
What is the role of alpha amylase
cleave internal bonds
What is the role of maltase
cleave maltose
Which enzyme activates trypsinogen in trypsin
- elastase
- chymotrypsin
- enterokinase
- carboxypeptidase
enterokinase
How do amino acids move from the enterocyte into the blood
facilitated diffusion
What enzyme is essential for proper function of pancreatic lipase
colipase
In what form must lipid products be in order for absorption to occur
micelles
In what area of the intestines does aldosterone increase synthesis of Na+ channels for Na+ reabsorption
colon