- Which of the following is a function performed by the digestive system?
- cellular respiration
- food selection
- elimination of undigested food
- regulation of blood pH
- integration and coordination of other systems
- Lipid-soluble drugs placed under the tongue
- are more easily swallowed.
- can be detected by taste buds.
- are quickly dissolved and absorbed.
- are then easy to chew.
- are not readily absorbed.
- Which of the following cell types is correctly matched with its function?
- mucous cells – produce intrinsic factor
- parietal cells – produce hydrochloric acid
- chief cells – produce mucous
- endocrine cells – produce enzymes
- chief cells – produce hormones
- The formation of HCl in the stomach involves the
- active transport of hydrogen ions from parietal cells into the lumen of the stomach.
- exchange of sodium ions for hydrogen ions in the transport process.
- active transport of chloride ions from parietal cells into the lumen of the stomach.
- exchange of sodium and bicarbonate ions.
- the combination of carbon dioxide and water.
- Trypsin can activate
Which of the following are energy nutrients?
carbohydrates, proteins, and fat
proteins, water, and minerals
fats, minerals, and vitamins
vitamins, fats, and carbohydrates
water, minerals, and vitamins
Which of the following organs can store glycogen?
spleen and pancreas
kidney and adrenal gland
large and small intestines
liver and muscles
stomach and pancreas
Water-soluble vitamins include
The name of the process that couples the movement of hydrogen ions across the inner mitochondrial membrane to ATP production is the
citric acid cycle.
The presence of ketone bodies in the urine indicates increased metabolism of