RESPIRATORY AND DIGESTIVE SYSTEM QUIZ Flashcards

1
Q

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

A

Produces renin

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2
Q

The functions of the oral cavity include:
All of the above
Only mechanical processing and lubrication
Mechanical processing
Analysis of the food
Lubrication

A

All of the above

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3
Q

Which of the following is the common passage for bile and pancreatic juice?
Ampulla of Vater
Sphincter of Oddi
Small intestine
Duct of Wirsung

A

Ampulla of Vater

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4
Q

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

A

Chemical and mechanical breakdown of food

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5
Q

There are ____ deciduous teeth, and ____ permanent teeth.

32, 20
20, 32
30, 20
20, 30

A

20, 32

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6
Q

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
A

Increase the surface area of the mucosa of the small intestine and aid in absorption

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7
Q

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

A

Common bile duct

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8
Q

Which portion of the small intestine is attached to the large intestine?

Cecum
Appendix
Duodenum
Jejunum
Ileum

A

Ileum

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9
Q

secretion of buffers and digestive enzymes by exocrine cells; secretion of hormones by endocrine cells

A

Pancreas

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10
Q

secretion of bile which is important for lipid digestion; storage of nutrients and has many other vital functions

A

liver

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11
Q

enzymatic digestion and absorption of water, organic substrates, vitamins and ions

A

small intestine

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12
Q

transport of food materials to the stomach

A

esophagus

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13
Q

storage and concentration of bile

A

gallbladder

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14
Q

chemical breakdown of materials by acids and enzymes; mechanical processing through muscular contractions

A

stomach

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15
Q

LOWER RESPIRATORY SYSTEM

Pharynx
Nasal cavity
Trachea
All choices are correct

A

Trachea

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16
Q

RESPIRATORY ZONE, EXCEPT:

No exception
Alveolar ducts
Alveolar sacs
Respiratory bronchioles

A

No exception

17
Q

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

A

Functions in holding the breath against pressure in the thoracic cavity

18
Q

LOCATION OF TRACHEA IN RELATION TO THE ESOPHAGUS

Lateral
Anterior
Medial
Posterior

A

Anterior

19
Q

WHICH IS MORE VERTICAL, SHORTER AND LARGER?
Left main bronchus
Right main bronchus
All are equal
No choice is correct

A

Right main bronchus

20
Q

THE MEMBRANE THAT LINES THE WALL OF THE THORACIC CAVITY

A

Parietal pleura

21
Q

HOW MANY LOBES IN THE LEFT LUNG?

A

2

22
Q

TRUE OF TYPE II ALVEOLAR CELLS, EXCEPT:
More numerous
no exception
Rounded or cuboidal in shape
Also called septal cells

A

More numerous

23
Q

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

A

Exhalation results from elastic recoil of the chest wall and the lungs

24
Q

Spasmodic contraction of the diaphragm followed by a spasmodic closure of the rima glottidis, which produces a sharp sound on inhalation:

A

Hiccupping