When a nutrient moves, with the help of a carrier, from an area of higher solute concentration into a absorptive cell where the concentration is lower, this is called _____.
  • Passive diffusion.
  • Hepatic Portal vein.
  • Chemical energy.
  • Facilitative diffusion.
Where are most digestive enzymes produced?
  • Protect stomach cells from acid and enzymes.
  • Esophagus, stomach, small and large intestine.
  • GERD - Gastro esophageal reflex disease.
  • Pancreas and small intestine.
When a nutrient moves freely from an area of higher solute concentration into a absorptive cell where the concentration is lower, this is called ___.
  • Hepatic Portal vein.
  • Chemical energy.
  • Facilitative diffusion.
  • Passive diffusion.
A compound that allows for communication between one cell and the next is a ___.
  • Sodium and potassium.
  • Lymphatic system.
  • Neurotransmitter.
  • Nutri genetics.
What structure prevents food from entering the trachea when you swallow?
  • Nutri genetics.
  • Mitochondria.
  • Acidic.
  • Esophagus.
Which organ serves as depot for many vitamins and minerals?
  • Bile.
  • Acidic.
  • Ulcer.
  • Liver.
What percentage of a meal has been absorbed by the time it leaves the small intestine?
  • DNA.
  • Bile.
  • 95%.
  • Acidic.
____ is stored within the nucleus of the cell and acts as a code book for synthesizing specific proteins.
  • DNA.
  • Bile.
  • Fat.
  • 95%.
Most digestion takes place in the ___.
  • Nutri genetics.
  • Small intestine.
  • Lymphatic system.
  • Dietary fiber.
The function of thick mucus in the stomach is to _____.
  • Esophagus, stomach, small and large intestine.
  • Protect stomach cells from acid and enzymes.
  • GERD - Gastro esophageal reflex disease.
  • Pyloric sphincter.
What pH best describes the environment of the stomach when stimulated?
  • Liver.
  • Bile.
  • Esophagus.
  • Acidic.
What substance is primarily involved in the emulsification of fat to facilitate its digestion?
  • Liver.
  • Bile.
  • Acidic.
  • 95%.
How do you define a chyme?
  • Water from the remaining indigestible food and transmit the waste from the body. Water and minerals.
  • Esophagus, stomach, small and large intestine.
  • Protect stomach cells from acid and enzymes.
  • Water mixture of partially digested food released by stomach in the small intestine.
The ____ system shelters humans from threats such as diseases and toxins.
  • Endocrine.
  • Immune.
  • Acidic.
  • Tissue.
Transmission of nerve impulses relies on the concentration of ____ in the neuron.
  • Neurotransmitter.
  • Lymphatic system.
  • Sodium and potassium.
  • Nutri genetics.
The walls of the small intestine are folded, and within the folds are fingerlike projections called ____.
  • Liver.
  • Nutri genetics.
  • Bile.
  • Villi
Excessive acid production in the stomach or upper small intestine could result in ____.
  • Liver.
  • Ulcers.
  • Bile.
  • Tissue.
The stomach empties into the small intestine through the ______.
  • Protect stomach cells from acid and enzymes.
  • Neurotransmitter.
  • Pyloric sphincter.
  • Nutri genetics.
The ____ system is made up of several glands that act in the regulation of metabolism, reproduction, water balance, and many other functions.
  • Endocrine.
  • Sphincter.
  • Mitochondria.
  • Bicarbonate.
The constant turnover of body tissues requires the _____ supplied by carbohydrates, proteins, and lipids.
  • Chemical energy.
  • Bicarbonate.
  • Sphincter.
  • Mitochondria.
Which large blood vessel is the first to receive most recently eaten nutrients, transporting them to the liver?
  • Passive diffusion.
  • Lymphatic system.
  • Chemical energy.
  • Hepatic Portal vein.
A function of the large intestine is to absorb ____.
  • Neurotransmitter.
  • Water from the remaining indigestible food and transmit the waste from the body. Water and minerals.
  • GERD - Gastro esophageal reflex disease.
  • Tissue.
Constipation can be avoided by?
  • Chemical energy.
  • Bicarbonate.
  • Nutri genetics.
  • Dietary fiber.
After digestion and absorption, which circulatory system carries fat and fat-soluble vitamins?
  • Chemical energy.
  • Lymphatic system.
  • Small intestine.
  • Neurotransmitter.
Collecting of cells adapted to perform a specific function is called ____.
  • Liver.
  • Ulcers.
  • Tissue.
  • Ulcer.
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