RESPIRATORY AND DIGESTIVE SYSTEM QUIZ 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
Which of the following is the common passage for bile and pancreatic juice?
Ampulla of Vater
Sphincter of Oddi
Small intestine
Duct of Wirsung
Ampulla of Vater
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.
32, 20
20, 32
30, 20
20, 30
20, 32
What are the functions of the plicae circularis and intestinal villi?
- Produce new cells for the mucosa of the small intestine
- Carry products of digestion that will not pass through the walls of blood capillaries
- Produce hormones to aid in digestion
- Secrete digestive enzymes to aid in digestion
- Increase the surface area of the mucosa of the small intestine and aid in absorption
Increase the surface area of the mucosa of the small intestine and aid in absorption
Which of the following structures is formed from the fusion of the common hepatic duct with the cystic duct?
Bile canaliculus
Common bile duct
Porta hepatis
Common pancreatic duct
Hepatic portal vein
Common bile duct
Which portion of the small intestine is attached to the large intestine?
Cecum
Appendix
Duodenum
Jejunum
Ileum
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
liver
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 acids and enzymes; mechanical processing through muscular contractions
stomach
LOWER RESPIRATORY SYSTEM
Pharynx
Nasal cavity
Trachea
All choices are correct
Trachea
RESPIRATORY ZONE, EXCEPT:
No exception
Alveolar ducts
Alveolar sacs
Respiratory bronchioles
No exception
TRUE OF THE FALSE VOCAL CORDS
vocal folds
Inferior pair of folds
Functions in holding the breath against pressure in the thoracic cavity
Functions in voice production
Functions in holding the breath against pressure in the thoracic cavity
LOCATION OF TRACHEA IN RELATION TO THE ESOPHAGUS
Lateral
Anterior
Medial
Posterior
Anterior
WHICH IS MORE VERTICAL, SHORTER AND LARGER?
Left main bronchus
Right main bronchus
All are equal
No choice is correct
Right main bronchus
THE MEMBRANE THAT LINES THE WALL OF THE THORACIC CAVITY
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
More numerous
WHICH OF THE FOLLOWING STATEMENT/S IS/ARE TRUE?
- Inhalation is a passive process
- Exhalation results from elastic recoil of the chest wall and the lungs
- 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
Spasmodic contraction of the diaphragm followed by a spasmodic closure of the rima glottidis, which produces a sharp sound on inhalation:
Hiccupping