ATI TEAS: Science Questions and
Answers with Complete Solutions
Which of the following is the first step of the scientific method?
a) construct a hypothesis
b) make observations
c) analyze data
d) form a question ✔✔B
Which of the following are considered the basic units of the female reproductive system, each
containing a single immature egg cell that is released during ovulation?
a) oocytes
b) follicles
c) ovaries
d) fundus ✔✔B
Ooctye = immature egg
Ovum = serveral oocytes, mature egg
Ovaries = reproductive gland
Fundus = top portion of the uterus
Which of the following is the lobe in the cerebral cortex primarily responsible for processing an
integrating sensory information received from the rest of the body?
a) frontal lobe
b) occipital lobe
c) parietal lobe
d) temporal lobe ✔✔C
Temporal = hearing
Frontal = memory, motor function, problem solving
Which of the following is an example of adaptive, or specific, immunity?
, a) inflammation
b) fever
c) humoral
d) phagocytosis ✔✔C
Humoral immune response is characterized by the mediation and production of antibodies
Which of the following describes a situation in which research results are consistent with every
susbsequent experiment, but the test used in the experiment does not measure what it claims to
measure?
a) reliable, but not valid
b) valid, but not reliable
c) neither reliable nor valid
d) both reliable and valid ✔✔A
Data is considered reliable if similar results are found.
It is considered valid when it accurately measures the intended variable.
Describe how atomic radius varies across the periodic table? ✔✔Atomic radius increases from top
to bottom and right to left
Which of the following sets of valves is primarily responsible for preventing blood flow from
major blood vessels to the heart?
a) atrioventicular valves
b) semilunar valves
c) tricusoid valves
d) bicuspid valves ✔✔B
They allow blood to enter the vessels and prevent its return back to the heart
Which of the following is the region of the brain that controls and regulates autonomic functions
such as respiration, digestion, and heart rate?
a) cerebellum
b) medulla oblongata
Answers with Complete Solutions
Which of the following is the first step of the scientific method?
a) construct a hypothesis
b) make observations
c) analyze data
d) form a question ✔✔B
Which of the following are considered the basic units of the female reproductive system, each
containing a single immature egg cell that is released during ovulation?
a) oocytes
b) follicles
c) ovaries
d) fundus ✔✔B
Ooctye = immature egg
Ovum = serveral oocytes, mature egg
Ovaries = reproductive gland
Fundus = top portion of the uterus
Which of the following is the lobe in the cerebral cortex primarily responsible for processing an
integrating sensory information received from the rest of the body?
a) frontal lobe
b) occipital lobe
c) parietal lobe
d) temporal lobe ✔✔C
Temporal = hearing
Frontal = memory, motor function, problem solving
Which of the following is an example of adaptive, or specific, immunity?
, a) inflammation
b) fever
c) humoral
d) phagocytosis ✔✔C
Humoral immune response is characterized by the mediation and production of antibodies
Which of the following describes a situation in which research results are consistent with every
susbsequent experiment, but the test used in the experiment does not measure what it claims to
measure?
a) reliable, but not valid
b) valid, but not reliable
c) neither reliable nor valid
d) both reliable and valid ✔✔A
Data is considered reliable if similar results are found.
It is considered valid when it accurately measures the intended variable.
Describe how atomic radius varies across the periodic table? ✔✔Atomic radius increases from top
to bottom and right to left
Which of the following sets of valves is primarily responsible for preventing blood flow from
major blood vessels to the heart?
a) atrioventicular valves
b) semilunar valves
c) tricusoid valves
d) bicuspid valves ✔✔B
They allow blood to enter the vessels and prevent its return back to the heart
Which of the following is the region of the brain that controls and regulates autonomic functions
such as respiration, digestion, and heart rate?
a) cerebellum
b) medulla oblongata
