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WorksheetsHuman Anatomy and Physiology
Total questions: 41
Worksheet time: 50mins
Regarding hydrochloric acid secretion :
It mainly involves hydrogen-potassium channel
Bicarbonate ion is transported via antiporter with chloride
Hydrogen ion is secreted to ECF
Carbonic anhydrase does not involves in its secretion
Gastrin stimulates the secretion of
Acid
carboxypeptidase
trypsin
chymotrypsin
Which one inhibit the acid secretion
Gastrin
Histamine
Acetylcholine
Somatostatin
Hydrochloric acid is formed when
hydrogen ions and chloride ions join in the stomach lumen.
hydrogen ions and chloride ions join in the parietal cell nucleus.
hydrogen ions and chloride ions join in the parietal cell cytoplasm.
hydrogen ions and chloride ions join in the duct of the gastric gland.
Which of the following would occur in an individual if they had their stomach removed?
Inability to emulsify lipids
Difficulty absorbing vitamin B12
Decreased pH in the duodenum
Inability to chemically digest carbohydrates
Which ions are present in GMB?
H+
HCO3-
Ca2+
Fe+
How many layers of smooth muscles does the stomach have?
1
2
3
4
Which of the following is not a way the stomach protects itself?
Damaged epithelial cells are quickly replaced
A thick coat of bicarbonate-rich mucus on the stomach wall
Epithelial cells joined by desmosomes
Pepsinogen is not active until HCl is present
What is produced in the stomach?
bolus
chyme
What is produced in the stomach?
bolus
chyme
An electron micrograph of the stomach gland reveals an irregular triangular cell. In its cytoplasm, a granular endoplasmic reticulum, the Golgi complex, is developed. There are many secretory granules in the basal part. What is the name of the cell?
Endocrine.
Parietal.
Poorly differentiated.
Mucous membrane.
Own glands stomach consigned in the composition of the …
lamina propria of the mucosamembrane
submucosa of the base
mucosal epitheliummembrane
musclemembrane
The histological micrograph shows the body of the stomach. What tissue forms the submucosa (3.1) membrane?
Loose fibrous connective.
Smooth muscle.
Dense fibrous loose connective.
Dense fibrous formed connective.
In human, as a result of chronic gastritis, the structure of the mucous membrane is disturbed, all indicators of the acid-forming function of the stomach are reduced. The most significant negative consequence of this will be a violation ...
protein digestion
pancreatic juice secretion
secretin secretions
evacuation of the chyme into the 12 duodenum
What organs are involved in the digestion system that use propulsion in swallowing and peristalsis to move food from the mouth to the stomach? (page 71)
Pharynx
gall bladder
Small intestine
Esophagus
What is the name of the "trapdoor" covering the trachea? (page 73)
Tongue
Pharynx
Esophagus
Epiglottis
What pH level is considered neutral?
7.0
5.0
6.0
6.5
Why are bacteria more abundant in the large intestines than in the stomach?
Food and fluids are filtered for pathogens before it reaches the stomach.
Incorrect, there are no bacteria within our bodies.
The stomach wall contains so much lymphoid tissue that it destroys all bacteria present.
Acidic Secretions of parietal cells within the stomach kills a higher amount of bacteria.
Incorrect, there are more bacteria in the stomach than there are in the large intestine.
The majority of absorption and digestion occurs in the stomach
True
False
What serves as a passageway for both air and food ?
Trachea
Oropharynx
Esophagus
Pharynx
Controls the movement of chyme from the stomach into the Duodenum
Esophageal Sphincter
Jejunum
Pyloric Sphincter
Esophagus
The breakdown product of protein digestion.
triglyceride
amino acid
glucose
nucleotide
This term refers to the ridges of the inner mucosal lining of the stomach.
villi
rugae
What is the name of the substance stored in the gallbadder?
vile
bile
nuclease
lipase
Which organ makes bile?
stomach
pancreas
galldadder
liver
What are the accessory organs?
Arms, legs, skull
Liver , gallbladder, pancreas
Heart, lungs, liver
Liver, pancreas, appendix
Which of the following is the function of the human liver?
Production of bile
Metabolization of fats
Metabolization of carbohydrates
All of the above.
Which of the following statements is true about the human liver?
Liver is triangular in shape
Liver is the only visceral organ that can regenerate
Liver is the largest and the internal organ of the human body
All of the above.
_______________ are the chief functional cells of the liver
Hepatocytes
Nephrons
Neurons
All of the above
Principal fat digesting enzyme is in pancreatic juice.
True
False
Maybe
How many lobes are present in the liver?
1
2
3
4
_____________ is a pear shaped, membranous sac that stores and concentrates bile
Kidneys
Lungs
Gallbladder
Heart
The gallbladder:
Helps improve immune system
Helps in the process of digestion
Makes hormones
The following statements are all true, except
The liver is the largest, solid organ in the body
Blood supply to the liver is only through the hepatic artery
Portal tracts in the liver are composed by a hepatic arteriole, a portal venule and a bile ductule
Blood leaves the liver through the hepatic vein
The alpha cells of the pancreas produce:
insulin
CCK
amylase
glucagon
What acidic compound is present in gastric juice within the stomach that acts primarily in protein digestion?
hydrochloric acid
lactic acid
citric acid
acetic acid
It is where the digestion of proteins begins?
mouth
stomach
small intestine
liver
In the gastrointestinal tract, the end product of protein digestion is
dipeptide
polypeptide
amino acids
tripeptide
In the gastrointestinal tract, the end product of protein digestion is
dipeptide
polypeptide
amino acids
tripeptide
