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TEAS practice test (science portion) Questions with 100% correct answers verified latest update
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TEAS practice test (science portion)Breakdown of what begins in the small intestine?
a) protein
b) fats
✅✅
c) fiber
d) carbohydrates - -Fats
In geology, what is considered a significant departure from previous ideas?
a) ideology
b) theoretical refinement
✅✅
c) a paradigm shift
d) model adjustment - -A paradigm shift
What describes the increase in alleles that permits a species to survive and
reproduce better in an environment from generation to generation?
a) DNA
b) Genetic drift
✅✅
c) Mutation
d) adaptation - -Adaptation
What nervous systems directs the bodies flight or flight response?
a) peripheral
b) central
✅✅
c) parasympathetic
d) sympathetic - -Sympathetic
What is used in quantitative investigations?
a) sensory information
b) numerical information
✅✅
c) phenomenological research
d) ethnographic research - -Numerical information
Which of the following taxonomic ranks is the most general? Order, genus, phylum,
family
a) order
b) genus
✅✅
c) phylum
d) family - -Phylum
Water undergoes relatively minor temperature and phase changes compared to
other substances due to both its what?
a) low specific heat and low vaporization
b) low specific heat and high heat vaporization
, ✅✅-High specific heat and
c) high specific heat and low heat of vaporization
d) high specific heat and high heat of vaporization -
high heat of vaporization
What is an example of hydrocarbons containing double bonds?
a) C2H6
b) C4H8
✅✅
c) C6H10
d) C8H12 - -C4H8
What represents the correct order of scientific process?
a) hypothesis, data, analysis
b) hypothesis, analysis, data
✅✅
c) data, hypothesis, analysis
d) data, analysis, hypothesis - -Hypothesis, data, analysis
What organ system supplies the body cells with oxygen and nutrients?
a) cardiovascular
b) digestive
✅✅
c) nervous
d) immune - -Cardiovascular
Through what does blood pass after leaving the right ventricle during contraction of
the heart?
a) aorta
b) pulmonary artery
✅✅
c) vena cava
d) mitral valve - -Pulmonary artery
What organ system supplies the body with oxygen and removes carbon dioxide?
a) integumentary
b) endocrine
✅✅
c) respiratory
d) renal - -Respiratory
What is responsible for the peristalsis that occurs in the digestive tract?
a) smooth muscle
b) skeletal muscle
✅✅
c) connective tissue
d) subcutaneous tissue - -Smooth muscle
A proton should have what two characteristics when compared to the charge and the
mass of an electron?
a) the same charge and the same mass
, b) the same charge and larger mass
✅✅-An opposite charge and a larger
c) an opposite charge and same mass
d) an opposite charge and larger mass -
mass
The spine is part of what system?
a) lymphatic
b) nervous
✅✅
c) skeletal
d) endocrine - -Skeletal
If two gases (A and B) that have detectable odors and the same temperature are
released simultaneously on one side of a room, and the odor of Gas A is noticed one
minute before that of Gas B, what conclusion can be made?
a) gas A has higher density than gas B
b) gas B has higher density than gas A
✅✅
c) The opening in the container of Gas A is larger than that of Gas B
d) The opening in the container of Gas B is larger than that of Gas A - -Gas B
has a higher density than Gas A
What describes a substance that is completely ionized in its solution and has a pH of
2?
a) strong acid
b) strong base
✅✅
c) weak acid
d) weak base - -Strong acid
What organs are immune cells produced ?
a) tonsils
b) spleen
✅✅
c) lymph nodes
d) bone marrow - -Bone marrow
A research student is determining the pollen count for a 24-hour period in a given
location. The students data would be most reliable if he decided to count the pollen
in what?
a) a single decimeter square for one morning and one afternoon
b) multiple decimeter squares for one morning and one afternoon
✅✅
c) a single decimeter square for one afternoon
d) multiple decimeter squares for one afternoon - -Multiple decimeter squares
for one morning and one afternoon
The heart is located ________ the sternum ?
a) to the right of
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