DIGESTIVE SYSTEM Flashcards
Which of the following is not a function of the hydrochloric acid in the stomach?
- Produces renin
- Lowers the pH of gastric juice
- Kills microorganisms
- Activates secretions of the chief cells
- Breaks down cell walls in foods
Produces renin
The functions of the oral cavity include:
- All of the above
- Only mechanical processing and lubrication
- Mechanical processing
- Analysis of the food
- Lubrication
All of the above
The common passage for bile and pancreatic juice
Ampulla of Vater
cells produce insulin
Beta cells
Which of the following functions of the Digestive System BEST describes “Digestion”?
- Chemical and mechanical breakdown of food
- Absorption of nutrients in the gut
- Progressive dehydration of indigestible residue
- Input of food into the digestive tract
- Mixing of nutrients with digestive enzymes
Chemical and mechanical breakdown of food
There are ____ deciduous teeth, and ____ permanent teeth.
20, 32
Which portion of the small intestine is attached to the large intestine
Ileum
secretion of buffers and digestive enzymes by exocrine cells; secretion of hormones by endocrine cells
Pancreas
Secretion of bile, which is important for lipid digestion; storage of nutrients, and has many other vital functions
Livers
Enzymatic digestion and absorption of water, organic substrates, vitamins, and ions
Small Intestine
Transport of food materials to the stomach
Esophagus
Storage and concentration of bile
Gallbladder
Chemical breakdown of materials by acid and enzymes; mechanical processing through muscular contractions
Stomach
Dehydration and compaction of indigestible materials in preparation for elimination
Large Intestine
Secretion of lubricating fluid containing enzymes that break down carbohydrates
Saliva secreted by salivary glands
LOWER RESPIRATORY SYSTEM
- Trachea
- Pharynx
- Nasal cavity
- All choices are correct
Trachea
RESPIRATORY ZONE, EXCEPT:
- No exception
- Alveolar ducts
- Alveolar sacs
- Respiratory bronchioles
No exception
TRUE OF THE FALSE VOCAL CORDS
- Functions in holding the breath against pressure in the thoracic cavity
- vocal folds
- Inferior pair of folds
- Functions in voice production
Functions in holding the breath against pressure in the thoracic cavity
LOCATION OF TRACHEA IN RELATION TO THE ESOPHAGUS
- Anterior
- Lateral
- Medial
- Posterior
Anterior
WHICH IS MORE VERTICAL, SHORTER AND LARGER?
- Right main bronchus
- Left main bronchus
- All are equal
- No choice is correct
Right main bronchus
THE MEMBRANE THAT LINES THE WALL OF THE THORACIC CAVITY
- Parietal pleura
- Visceral pleura
- Peritoneum
- No choice is correct
Parietal pleura
HOW MANY LOBES IN THE LEFT LUNG?
2
TRUE OF TYPE II ALVEOLAR CELLS, EXCEPT:
- More numerous
- no exception
- Rounded or cuboidal in shape
- Also called septal cells
- Secrete alveolar fluid including the surfactant to lower surface tension
More numerous
WHICH OF THE FOLLOWING STATEMENT/S IS/ARE TRUE?
- Exhalation results from elastic recoil of the chest wall and the lungs
- Inhalation is a passive process
- Inhalation starts when the inspiratory muscles relax
- All the choices are correct
- None of the choices is true
Exhalation results from elastic recoil of the chest wall and the lungs