ATI Teas 7 - Practice Test Exam
Question & Answers ( Latest update)
Which of the following is improved when repeated trials of an
experiment have consistent results?
A. Reliability
B. Validity
C. Independent Variables
D. Dependent Variables - CORRECT ANSWERS ✔✔A. Reliability.
Reliability speaks to the repeatability of an experiment.
Which of the following diseases is primarily caused by a toxin produced
by a microorganism?
A. Cholera
B. Leprosy
C. Acne
D. HIV - CORRECT ANSWERS ✔✔A. Cholera
Diarrhea associated with cholera is caused by cholera toxin secreted by
certain strains of the bacterium vibrio cholerae.
,ATI Teas 7 - Practice Test Exam
Question & Answers ( Latest update)
A student wants to design an experiment to demonstrate the effects of
acid rain on plant life. Which of the following substances should be
combined with water to stimulate acid rain?
A. Vinegar
B. Table salt
C. Baking soda
D. Ammonia - CORRECT ANSWERS ✔✔A. Vinegar
Vinegar is acidic, with a pH less than 7. Adding it to the water will
acidify water to stimulate acid rain.
Which of the following compounds is an ionic compound?
A. PCl3
B. H2O
C. MgF2
D. NH3 - CORRECT ANSWERS ✔✔C. MgF2
Each magnesium (valence = 2) atom transfers one electron to each of
the fluorine (valence = 7) atoms, forming ionic bonds. Molecules
formed by the transfer of electrons are called ionic compounds.
, ATI Teas 7 - Practice Test Exam
Question & Answers ( Latest update)
Which of the following is a function of a somatic reflex?
A. It helps to produce an involuntary response in the absence of a
stimulus.
B. It helps to produce a response quickly to protect the body from
harm.
C. It helps to produce variable responses to the same sensory input.
D. It helps the individual to produce an appropriate voluntary response.
- CORRECT ANSWERS ✔✔B. It helps to produce a response quickly
to protect the body from harm.
Reflex actions are involuntary, stereotyped, and predictable, as they
require the body to respond quickly to a specific sensory input to
protect the body.
After doing a belly flop into a swimming pool, a child says, "The water
slapped me." Which of the following is the property of water that
causes the slap?
A. Irregular expansion
B. Hydrogen bonding
C. Capillary action
Question & Answers ( Latest update)
Which of the following is improved when repeated trials of an
experiment have consistent results?
A. Reliability
B. Validity
C. Independent Variables
D. Dependent Variables - CORRECT ANSWERS ✔✔A. Reliability.
Reliability speaks to the repeatability of an experiment.
Which of the following diseases is primarily caused by a toxin produced
by a microorganism?
A. Cholera
B. Leprosy
C. Acne
D. HIV - CORRECT ANSWERS ✔✔A. Cholera
Diarrhea associated with cholera is caused by cholera toxin secreted by
certain strains of the bacterium vibrio cholerae.
,ATI Teas 7 - Practice Test Exam
Question & Answers ( Latest update)
A student wants to design an experiment to demonstrate the effects of
acid rain on plant life. Which of the following substances should be
combined with water to stimulate acid rain?
A. Vinegar
B. Table salt
C. Baking soda
D. Ammonia - CORRECT ANSWERS ✔✔A. Vinegar
Vinegar is acidic, with a pH less than 7. Adding it to the water will
acidify water to stimulate acid rain.
Which of the following compounds is an ionic compound?
A. PCl3
B. H2O
C. MgF2
D. NH3 - CORRECT ANSWERS ✔✔C. MgF2
Each magnesium (valence = 2) atom transfers one electron to each of
the fluorine (valence = 7) atoms, forming ionic bonds. Molecules
formed by the transfer of electrons are called ionic compounds.
, ATI Teas 7 - Practice Test Exam
Question & Answers ( Latest update)
Which of the following is a function of a somatic reflex?
A. It helps to produce an involuntary response in the absence of a
stimulus.
B. It helps to produce a response quickly to protect the body from
harm.
C. It helps to produce variable responses to the same sensory input.
D. It helps the individual to produce an appropriate voluntary response.
- CORRECT ANSWERS ✔✔B. It helps to produce a response quickly
to protect the body from harm.
Reflex actions are involuntary, stereotyped, and predictable, as they
require the body to respond quickly to a specific sensory input to
protect the body.
After doing a belly flop into a swimming pool, a child says, "The water
slapped me." Which of the following is the property of water that
causes the slap?
A. Irregular expansion
B. Hydrogen bonding
C. Capillary action
