radiography
what is the main use of radiography
find bone fractures
the organs use nutrients from digestion
A) all the time
B) only when the body is active
c) only when the body is at rest
D) night and day
A) all the time
The term "myorcardium" refers to...
A)The chambers of the heart.
B) The heart muscle.
C) The fatty tissue on the surface of the heart.
B) The heart muscle.
The nerves connecting the receptor organs to the brain are called...
A)Sensitive nerves.
B) nerves.
C) Motor nerves.
A) Sensitive nerves
What nutrient is the body’s main source of energy?
Carbohydrates
which element of the radiography appears in white?
bones
digestive enzymes act:
A) in the stomach
B) already in the mouth
C) in the small intestine only
Dthroughout the digestive tract
A) in the stomach
B) already in the mouth
What is the difference between the walls of veins and arteries?
the arteries have a thick media and the veins have valves
The connection area between two neurons is called...
A) The cellular body.
B) The synapse.
C) The axon.
B) The synapse
Which fruit is rich in vitamin C?
Orange (or citrus fruits)
what type of radiation is used in radiopgraphy
X rays
The transformation of food into nutrients occurs through:
A) chemical action
B) the action of digestive enzymes
C) the action of digestive yeasts
D) mechanical action
A) chemical action
B) the action of digestive enzymes
D) mechanical action
motor nerves release neurotransmitter ?
the x nerve releases acetylcholine
the cardiac nerve releases noradrenaline
What part of the neuron carries signals away from the cell body?
The a on
Which nutrient is essential for building muscles?
Protein
who invented radiography
wilhelm rontgen
what is the digestion process is done in 4 stages?
chewing food in the mouth.
their chemical and mechanical transformation in the stomach.
absorption of nutrients in the small intestine.
the evacuation of waste into the large intestine.
What are the names of the different valves and where are they located?
trucuspid valve between right atrium and right ventricle
mitral valve between the left atrium and the left ventricle
the sigmoid valves between the ventricles and the arteries
What are neurotransmitters?
Chemical messengers that transmit signals between neurons.
What is the main role of dietary fiber?
Helps digestion / regulates bowel movements
Which unit is used to measure the absorbed dose of ionizing radiation ?
A) Becquerel (Bq)
B) Gray(Gy)
C) Ampere(A)
D) Joule (J)
B) Gray(Gy)
What are the 4 digestive juices?
saliva; gastric juice; pancreatic juice; bile; intestinal juice.
the orthosymphatic and parasymphatic system are formed of what and what are their actions?
The parasymphatic system is made up of sensory nerves and a bulbar neural center and X nerve. Its action is cardio-moderating
The orthosympathetic system is formed by the bulbar and spinal nerve centers, and the cardiac nerve. Its action is cardio-accelerating
What is the difference between the sympathetic and parasympathetic systems?
The sympathetic prepares the body for stress (“fight or flight”), while the parasympathetic calms the body (“rest and digest”).
What can excessive sugar consumption lead to over time?
Diabetes, obesity, or other health problems