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quiz11

Terms in this set (40)

Where does digestion begin?
oral cavity
Where would you find saliva in the body?
oral cavity
Which part of the alimentary canal is responsible for nutrient absorption?
small intestine
At which stage in the processing of food does the uptake of small nutrient molecules occur?
absorption
What is the primary chemical process by which enzymes break down large molecules during digestion?
hydrolysis
All of the following are true about a proper diet EXCEPT
it provides the energy needed to create all essential nutrients
Which of the following is a good strategy for getting essential amino acids if you are a vegetarian?
eat peanut butter and bread
Which is a similarity between essential fatty acids and essential amino acids?
there are a few of each that can be made by the body
Which of the following is the cause of appendicitis, cholera and ulcers?
infection by bacteria
What is the primary difference between Anorexia nervosa and Bulimia?
Anorexia nervosa is caused by self-starvation; Bulimia by binge eating and purging
Which of the following produces bile?
liver
Which part of the alimentary canal is responsible for nutrient absorption?
small intestine
At which stages in the processing of food does mechanical digestion occur?
digestion and ingestion
Where does nutrient absorption take place in the small intestine?
intestinal villi
Which of the following is a correct statement of one of the MyPlate recommended daily amounts for people ages 19-30?
men and women should both eat the same amount of dairy
Which of the following might occur if your diet lacks iron?
anemia
Which is a difference between essential minerals and essential amino acids?
minerals are inorganic molecules, amino acids are organic molecules
Which of the following, if untreated, can quickly become so severe that it leads to death?
cholera
When is it possible for someone to be both overweight and malnourished?
when their diet has too many calories, but not enough nutrients
At which level of organization can the human body be studied?
all levels
What is physiology?
the study of the function of an organism's body parts
What does an organ system consist of?
teams of organs
What do tissues represent?
an integrated group of cells that perform a similar function
Which of the following is an example of connective tissue?
blood
Which of the following is a function of nervous tissue?
communicates signals between the brain and the rest of the body
The brain and spinal cord are composed primarily of what kind of tissue?
nervous
Diabetes is considered a breakdown in homeostasis because in persons with diabetes millitus
the body fails to properly regulate insulin levels
Why do blood glucose levels remain relatively constant despite the fact that a healthy person eats only occasionally during the day?
the body has mechanisms to detect and respond to changes in blood glucose
During a marathon, a runner's body temperature starts to rise. Which of the following represents a RESPONSE of the body to this change?
sweat is produced
Where in the alimentary canal would you find huge numbers of prokaryotic organisms?
large intestine
At which stage in the processing of food do small nutrients enter the blood stream?
absorption
Which of the following is the first step food must take in order to be converted to forms the body can use?
physical and chemical break down of large pieces into smaller pieces
All of the following are true about a well-balanced diet EXCEPT
it contains large amounts of lean meats and dairy
Minerals, such as calcium,
can be found in broccoli
What is the difference between a mineral and a vitamin?
minerals are inorganic, vitamins are organic
Surgical remedies exist for all of the following EXCEPT
acid reflux
Where would you find gastric juice in the body?
stomach
What do the MyPlate guidelines emphasize?
fruits and vegetables should make up at least half the area of your plate at every meal
Essential nutrients
include minerals, vitamins, essential fatty acids and essential amino acids
Which is a similarity between essential vitamins and essential amino acids?
both are organic molecules
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