Teas test review 7 - water? a. static bond b. aquatic bond c. ionic ...

Teas test review 7 what type of chemical bond connects the oxygen and hydrogen atoms in a molecule of water?

• static bond
• aquatic bond
• ionic bond
• covalent bond ANSWER- covalent bond

which of the following statements describes a chemical property of water?

• water has pH of 1.
• a water molecule contains 2 hydrogen atoms and 1 oxygen atom.
• a water molecule contains 2 oxygen and 1 hydrogen atom.
• the chemical formula for water is HO2. ANSWER- a water molecule contains 2

hydrogen atoms and 1 oxygen atom.which of the following is needed for an experiment to be considered successful?

• a reasonable hypothesis
• a well-written lab report.
• data that others can reproduce
• computer-aided statistical analysis ANSWER- data that others can reproduce

an atom has 2 protons, 4 neutrons, and 2 electrons. what is the approximate atomic mass of this atom?

• 2
• 4
• 6
• 8 ANSWER- protons + neutrons = atomic mass

2+4=6 which of the following is true regarding T cells?

• they are only seen in those with leukemia
• they are a specialized type of red blood cell
• they mature in the thyroid
• they play a role in the immune response ANSWER- they play a role in the immune

response what type of bond is formed when electrons are transferred between atoms?

• transfer bond
• static
• covalent bond
• ionic bond ANSWER- ionic bond

what is the primary function of antibodies?

• production of white blood cells 1 / 2

• initiates gluconeogenesis
• promotes the intracellular storage of lipids
• facilitate the breakdown of antigens ANSWER- facilitate the breakdown of antigens

which statement below best describes the process of condensation?

• condensation is the process of changing from a gas to liquid.
• condensation is the process of changing from a liquid to gas.
• condensation is the process of changing from a solid to gas. ANSWER- condensation

is the process of changing from a gas to liquid.which of the following lists the normal blood flow through the heart?

• left ventricle, left atria, body, right ventricle, right atria, lungs
• left atria, left ventricle, lungs, right atria, right ventricle, body.
• right atria, right ventricle, lungs, left atria, left ventricle, body
• right ventricle, right atria, body, left atria, left ventricle, lungs ANSWER- right atria,

right ventricle, lungs, left atria, left ventricle, body which of the following functions is not controlled by the autonomic nervous system?

• digestion
• walking
• heartbeat
• temperature regulation ANSWER- walking

every child in a certain family suffers from autism. based on this evidence, what possible conclusion can be drawn about autism?

• autism may be lethal
• autism may be genetic
• autism is related to traditional nuclear family structure.
• no conclusion can be drawn based on this evidence. ANSWER- autism may be

genetic women were more likely to die in childbirth in the 18th century than in the 21st century.what is a possible explanation for why women are less likely to die in child birth in the present age?

• doctors are better equipped to perform cesarean sections
• doctors have more tools to monitor mothers during childbirth, so complication ban be

detected much earlier.

• doctors wash their hands well to avoid transferring germs and infections.
• all of the statements above offer reasonable explanations for decreases in mortality

during childbirth. ANSWER- all of the statements above offer reasonable explanations for decreases in mortality during childbirth.a dietitian wants to convince a patient to lose weight. which statement below best communicates a scientific argument that justifies the need for weight loss?

• losing weight can lower blood pressure, increase energy level, and promote overall

health.

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