Life-maintaining activities of the body cells are dependent on nutrition. Each nutient has a specific function. The quanitity of food supply to the tissues determines the efficiency of the tissue functioning.
relate the next 3 questions to these nutritional principles
The most rapid way to reduce caloric intake is to:
reduce fat
the energy value is 9 calories per gram for fats and 4 calories per gram for carbohydrates and proteins
Which of the following statements is a misonception?
D. vitamins are only effective when combined with balanced nutrients, otherwise they are simply excreted through the digestive track.
A person is described as "wasting away" because of rapid weight loss. What assumptions can be made?
proteins ar being used as the primary caloric source.
When calories are not available from fat and carbohydrate metabolism, the body will use proteins for the primary source of calories.
If a person has a torn ligament of the radius you would expect:
Inability to rotate the wrist.
If the tibia is broken, one would expect restricted movement of the:
toes
The role of vitamin D in growth and development of bone is est described as:
promoting Ca absorbtion
The arrangements of fibers within a muscle:
determines the capacity of forceful contraction.
How does the integumentary system work with the digestive system?
The digestive system provides nutrients for the integumentary system
The reproductive system works with other organ systems by:
influence bone growth and form
Removes nitrogen-containing wastes from the body
urinary system
waterproofs the body
integumentary system
supplies the body with oxygen and removes carbon dioxide
respiratory system
supplies the body cells with oxygen and nutrients and remove wastes
cardiovascular system
directs bodily difenses against external stimuli
nervous system
regulates heart and breathing rates
nervous system
releases hormones that influence strength
endocrine system
transform vitamin D into a useful form
urinary system
regulates electrolye balance
urinary system
regulates re-absorption of water and electrolytes
endocrine system
serves as mineral storage
skeletal system
releases heat built up by the muscular system
integumentary system
provides motion
muscular system
provides nutrients for the body and removes wastes
digestive system
transports hormones throughout the body
cardiovascular system
controls function of the pituitary gland
nervous system
underlies aggressive behavior in the brain
reproductive system
absorbs vitamin D from the external environment
integumentary system
regulates muscle growth
reproductive system
peristalsis propels food through the digestive sysem by contraction of which muscle type?
smooth
what substance is absorbed in the small intestine?
fats
regulates blood pressure
is controlled by the nervous system
protection for the brain?
skull, cerebrospinal fluid, blood-brain barrier
which characteristic is common to both the conduction of nerve impulses and the conduction of an electrical current?
charge affected by positive and negative ions
If the mitral valve was prolapsed (had fallen or slipped from its usual position), which problem should you anticipate?
backup of blood in the left atrium
the relationship between the inferior vena cava and the aorta is the: