ATI TEAS Science Questions and Answers 2022 with complete solutiom
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ATI TEAS Science
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ATI TEAS Science
Which of the following illustrates a negative feedback mechanism that occurs in the
human body?
a)the release of insulin from the pancreas in response to an increase in blood sugar
levels
b) the release of glucagon from the pancreas in response to an increase in blood- sugar
levels
c) the rel...
which of the following illustrates a negative feedback mechanism that occurs in the human body
pancreatic cells have an abundance of to meet the protein
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ATI TEAS Science Questions and
Answers
Which of the following illustrates a negative feedback mechanism that occurs in the
human body?
a)the release of insulin from the pancreas in response to an increase in blood sugar
levels
b) the release of glucagon from the pancreas in response to an increase in blood- sugar
levels
c) the release of oxytocin resulting in uterine contractions as childbirth is underway
d) chemical reactions that result in coagulation due to fibrin being released Correct
answer- a) the release of insulin from the pancreas in response to an increase in blood -
sugar levels
Pancreatic cells have an abundance of _______ to meet the protein production
demands of the cell
a) collagen
b)vinculin
c)keratin
d) elastin Correct answer- c) keratin
Anxiety about an upcoming final exam causes a student to experience an increase in
blood pressure, dilation of the pupils, and a dry mouth. Which of the following nervous
system responses is responsible for these physical symptoms?
A. Voluntary
B. Sympathetic
C. Limbic
D. Cognitive Correct answer- b) sympathetic
Which of the following results from the release of the neurotransmitter dopamine into
the nerve synapse?
,a) the presynaptic neuron fires an action potential
b) Dopamine binds to receptor proteins on the membrane of the postsynaptic cell
c)Dopamine enters the cytoplasm of the postsynaptic cell
d) dopamine cause the postsynaptic nerve cell to contract Correct answer- b) dopamine
binds to receptor proteins on the membrane of the postsynaptic cell
Which of the following describes the function of the ribosome in a living cell?
a) production of ATP molecules from energy in nutrient molecules
b) Disposal and recycling of damaged or unneeded cell parts
c) Use of genetic information to build specific protein molecules
d) regulation of molecules entering and leaving the cell Correct answer- c) use of
genetic information to build specific protein molecules
if an intensive property in independent of the amount of the material being measured,
which of the following is an example of intensive property?
a)Length
b)mass
c)volume
d) density Correct answer- c) Density
Which of the following statements correctly matches a body system with its function?
a) the digestive system facilitates absorption of substances into the bloodstream
b) the respiratory system transports oxygenated blood throughout the lungs and body
c) The excitatory system prevents harmful substances from entering the body
d) The endocrine system transports hormones from place to place within the body
Correct answer- a) the digestive system facilitates absorption of substance into the
blood stream
235
U . ---> . X + 4HE
92 . 2
which of the following is "x" in the reaction above?
a) 239 Pu
94
b) 231 Pu
94
c) 231 Th
90 Correct answer- c) 231 Th
90
,What is the role of the urethra?
a) to transport urine out of the body
b) to transport the egg to the uterus
c) to connect the kidneys to the bladder
d) to connect the uterus to the outside of the body Correct answer- a) to transport urine
out of the body
Which of the following is the form of energy contained in nutrient molecules and in
ATP's high-energy bonds?
a) mechanical energy
b)potential energy
c)kinetic energy
d)radiation energy Correct answer- b) potential energy
A researcher decides to repeat an experiment and reassess results first established in
the 1930's about why plants grow toward light. Which of the following is the best reason
for conduction this experiment?
a)plant behavior could have modified due to evolutionary processes since the
experiments were first done
b)new breeds of plants discovered since the 1930's have not yet been shown to have to
same light responses
c)shifts in average temperatures produced by global warming may affect plants in ways
that are not yet understood
d)equipment and methods developed since the 1930's may produce better data and
provide mechanistic detail. Correct answer- d) equipment and methods developed since
the 1930's may produce better developed data and provide mechanistic detail
Which of the following glands produces melatonin, the hormones that regulates sleep?
a) thyroid
b)hypothalamus
c)pituitary
d) pineal Correct answer- d) pineal
Which of the following explains why damage to the spleen reduces the production of
granulocytes?
a)damage to the spleen reduces the production of granulocytes
b) damage to the spleen causes massive blood loss
c) damage to the spleen results in loss of clotting ability
, d) damage to the spleen results in decreased red blood cell production and maturation
Correct answer- b) damage to the spleen causes massive blood loss
When an enzyme is degraded into its monomeric structural units, the monomers will be
Which of the following enzymes breaks down complex carbohydrates?
a) amylase
b) pepsin
c)lactase
d)lipase Correct answer- a) amylase
Which of the following is the purpose of using a control groups in an investigation?
a) to establish a standard for data comparison
b)to provide the correct answer to an investigation
c) to determine the dependent variables
d) to function as a third variable group Correct answer- a) to establish a standard for
data comparison
Which of the following contains the testes?
a) epididymis
b) Mesentery
b)prostate
d) scrotum Correct answer- d) scrotum
Which of the following glands is exclusively found in males?
a) adrenal
b)parathyroid
c)Cowper's
d) pituitary Correct answer- c) Cowper's
Which of the following conditions is related to an abnormality in the function of red blood
cells?
a) arrhythmia
b) Anemia
c) hypertension
d) leukemia Correct answer- b) anemia
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