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Worksheetsbio c 8, 9 (nervous & digestive systems)
Total questions: 59
Worksheet time: 30mins
The disease of the spinal cord that is caused by a virus destroying motor neurons:
poliomyelitis
botulism
multiple sclerosis
Parkinson's disease
What are the fibers of a neuron that carry information toward the cell body?
ganglia
axons
dendrites
synapse
What are the neurons that relay messages between other neurons?
sensory neurons
messenger neurons
motor neurons
interneurons
The energy carrier of the cell:
amino acid
ATP
carbohydrate
fat
lipid
Cereals, bread, potatoes, pasta, & rice are rich in:
simple carbohydrates
lipids
fat
complex carbohydrates
The building block of a protein:
carbohydrate
protein
dietary fiber
lipid
amino acid
The complex organic molecule used to build & maintain living cells:
protein
fat
lipid
carbohydrate
dietary fiber
What are the 4 front teeth on each jaw, which cut food?
molars
incisors
bicuspids
cuspids
What type of nutrient are starches & sugars?
carbohydrates
minerals
proteins
lipids
What is the long fiber of a neuron that transmits signals from the cell body to other nerve cells?
ganglion
axon
dendrite
synapse
What is another name for the digestive tract?
food channel
digestive system
mucosal tube
alimentary canal
What division of the nervous system includes the cranial & spinal nerves?
axial nervous system
central nervous system
appendicular nervous system
peripheral nervous system
What is the lowest part of the brain stem, which controls breathing & heartbeat?
pons
medulla oblongata
midbrain
reticular formation
Which are water-soluble vitamins?
vitamin A
vitamin K
vitamin C
vitamin D
B-complex vitamins
What are fats that are liquid at room temperature called?
oils
phospholipids
fatty acids
lipoproteins
What are the protective layers of tissue that surrounds the brain & spinal cord?
microglia
myelins
meninges
ganglia
What is defective vision caused by an asymmetrically curved cornea?
astigmatism
myopia
hyperopia
presbyopia
glaucoma
What part of the brain functions primarily to coordinate skeletal muscle activity?
limbic system
cerebrum
brain stem
cerebellum
What part of the brain is primarily responsible for thought, memory, voluntary actions, thinking, & intelligence?
limbic system
cerebrum
brain stem
cerebellum
spinal cord
What is a serious injury of the nervous system caused by an internal blockage or rupture of a blood vessel in the brain?
amnesia
stroke
concussion
neuritis
multiple sclerosis
What are the special structures in the ear that contribute to balance?
cochleae
semicircular canals
eustachian tubes
tympanic membranes
hammer, anvil, & stirrup
What is the snail shaped structure of the inner ear that senses sound wave vibrations and converts them to nerve impulses?
cochlea
semicircular canals
eustachian tubes
tympanic membrane (eardrum)
hammer, anvil, & stirrup
Neurons that carry information from the brain & spinal cord to the body parts are called interneurons.
true
false; motor neurons
false; sensory neurons
false; pain receptor neurons
Any junction that allows an impulse to be transmitted from a nerve cell to another cell is a synapse.
true
false; nerve junction
false; dendrite joint
false; axon terminal
The part of the retina that produces the clearest vision:
choroid
cornea
fovea
retina
uvea
The simplest type of nerve pathway involving quick, automatic responses to stimuli is called a(n):
synapse
action response
sympathetic response
reflex arc
The tough, white outer layer of the eyeball:
uvea
sclera
retina
cornea
pupil
The structure that produces tears:
cone
cornea
choroid
optic nerve
lacrimal gland
The cell type that is responsible for color vision:
rod
cone
iris
uvea
fovea
The energy carrier of the cell:
amino acid
fat
lipid
protein
ATP
The nutrient that is the main source of energy for living things:
carbohydrate
protein
lipid
fat
dietary fiber
A camera's diaphragm helps control the amount of light that enters the camera; it operates by changing the size of the opening at its center. Which portion of the eye can be compared to a camera's diaphragm?
retina
iris
uvea
cornea
Which is the best explanation of the purpose of Schwann cells?
Schwann cells transmit impulses between neurons
Schwann cells provide nutrition to neuron cell bodies
Schwann cells protect neurons from damage.
Schwann cells speed impulse transmission in neurons
The exposed part of a tooth is the:
root
head
crown
neck
The disease in which the gums detach from the teeth & the bones supporting the teeth may be destroyed is:
plaque
gingivitis
dental caries
periodontitis
Another name for chewing:
mastification
masterfication
mastication
mastercation
What acid does the stomach produce to kill bacteria & help soften foods?
phosphoric acid
hydrochloric acid
sulfuric acid
carbonic acid
Which of the following are divisions of the small intestines?
ileum
jejunum
rectum
colon
duodenum
The rhythmic waves of muscular contractions that move food through the digestive system are called:
peristalsis
homeostasis
epiphysis
diaphysis
The hollow area of a tooth that contains nerves & blood vessels:
crown
dentine
pulp
root
enamel
The process of breaking a droplet of fat into smaller droplets is called peristalsis.
true
false; emulsification
false; secretion
false; mastication
The primary organ of digestion & absorption is the small intestine.
true
false; stomach
false; large intestine
false; liver
liver
gallbladder
pancreas
stomach
large intestine
liver
gallbladder
small intestine
large intestine
The technical name for cavities is dental caries.
true
false; dental decays
false; enamel decay
false; crown caries
The tiny projections of the wall of the small intestine that help it absorb food are called:
papilla
villi
epiglottis
appendix
The small flap of cartilage that keeps food out of he windpipe is the:
pharynx
larynx
epiglottis
villi
Bile is produced by gallbladder and stored in the liver.
true
false
The auditory nerve carries sound impulses from the inner ear to the brain.
true
false; median
false; optical
The wave of electrical activity that transmits an impulse down a nerve is an action potential.
true
false
The "building blocks" of proteins are amino acids.
true
false
The carbohydrate cellulose can be easily digested in the human digestive system.
true
false
Which lobe of the brain controls personality, judgment, self-control, & voluntary movement of skeletal muscles?
frontal
parietal
occipital
temporal
The thalamus is the structure within the limbic system that controls the physical effects of emotions.
true
false; amygdala
false; hypothalamus
false; hippocampus
Myelin-covered nerve fibers form the white matter.
true
false; grey
false; purple
false; tan
Which of the following best explains the relationship between the brain & the mind?
the brain is the seat of the mind
the brain is physical, but the mind is spiritual
the brain controls body activities, but the mind controls emotions
the brain and the mind are the same thing
What type of nutrient should account for most of your total Calorie intake?
proteins
carbohydrates
fats
vitamins
Which function of the stomach explains why it has 3 smooth muscle layers instead of 2 as mot other organs have?
the stomach stores food until it is released to the small intestine
the stomach produces pepsin and gastric amylase
the stomach mixes food with gastric juice
the stomach contracts when it has been empty for several hours
liver
pancreas
gallbladder
stomach
