Science NLN PAX Study Guide
Questions Fully Answered Graded A+.
B cells are responsible for antibody production - Answer Which statement about white blood
cells is true?
Mouth, stomach, and small intestine - Answer Which locations in the digestive system are sites
of chemical digestion?
Synthesizing calcitriol and secreting erythropoietin, regulating the concentrations of sodium,
potassium, chloride, calcium, and other ions, reabsorbing or secreting hydrogen ions and
bicarbonate, and detecting reductions in blood volume and pressure - Answer Which of the
following are functions of the urinary system?
Nuclei - Answer Which of the following structures is unique to eukaryotic cells?
The lysosome - Answer What is the cell organelle used for digestion to recycle materials?
2.65g/cm^3 (Distance= mass/volume) - Answer A rock has a mass of 14.3 grams (g) and a
volume of 5.4cm^3, what is its density?
They do not have valves but veins do - Answer Why do arteries have valves?
The right ventricle - Answer If the pressure in the pulmonary artery is increased above normal,
which chamber of the heart will be affected first?
It increases the pH of the chyme so as to prevent harm to the intestine - Answer What is the
purpose of sodium bicarbonate when released into the lumen of the small intestine?
A stimulus and response controlled by the spinal cord - Answer Which of the following
describes a reflex arc?
DNA polymerases synthesize DNA discontinuously in pieces called Okazaki fragments after
initially attaching to RNA primers - Answer Describe the synthesis of the lagging strand of DNA
,Bone to bone - Answer Ligaments connect what?
Coronal, sagittal, and transverse - Answer What are the three primary body planes?
It helps cushion the heart against jarring motions - Answer Which of the following is NOT a
major function of the respiratory system in humans?
To regulate blood pressure and heart rate - Answer Which of the following is NOT a function of
the forebrain?
Germline mutations are usually inherited while somatic mutation will affect only the individual -
Answer What is the major difference between somatic and germline mutations?
Asthma - Answer A child complains of heavy breathing even when relaxing. They are an
otherwise healthy child with no history of respiratory problems. What might be the issue?
2:9:10:4 - Answer Find the lowest coefficients that will balance the following combustion
equation.
__C2H10+__O2--->__H2O+__CO2
To increase a reaction's rate by decreasing the activation energy - Answer What is the purpose
of a catalyst?
Special proteins called enzymes - Answer Most catalysts found in biological systems are which
of the following?
The more hydroxide ions in the solution, the higher the pH - Answer Which statement is true
about the pH of a solution?
Ionic bonds - Answer Salts like sodium iodide (Nal) and potassium chloride (KCl) use what type
of bond?
Bonding electrons are shared between 2 or more atoms - Answer Which of the following is
, Upper back - Answer Which of the following areas of the body has the most sweat glands?
Nephrons - Answer A patient's body is not properly filtering blood. Which of the following
body parts is most likely malfunctioning?
Ossification - Answer A pediatrician notes that an infant's cartilage is disappearing and being
replaced by bone. What process has the doctor observed?
Epithelial - Answer The epidermis is composed of what type of cells?
mRNA - Answer Which of the following is directly transcribed from DNA and represents the
first step in protein building?
The genotype will always show an organism's recessive alleles - Answer What information does
a genotype give that a phenotype does not?
There is a 25% chance that an offspring will be short - Answer Which statement is supported
by the Punnett square above, if "T" = Tall and "t" = short?
Evaporation can happen below a liquid's boiling point - Answer Which of the following is a
chief difference between evaporation and boiling?
Sequences of amino acids to be transcribed into mRNA - Answer Which of the following cannot
be found in human cell's genes?
Water is highly cohesive which explains its high melting point - Answer Which of the following
is a special property of water?
A different mass number - Answer What is an isotope? For any given element, it is an atom
with which of the following?
A nucleus always has a positive charge - Answer What is the electrical charge of a nucleus?
Two rounds of testing: The first, where each participant consumes the same level of sugar as
Questions Fully Answered Graded A+.
B cells are responsible for antibody production - Answer Which statement about white blood
cells is true?
Mouth, stomach, and small intestine - Answer Which locations in the digestive system are sites
of chemical digestion?
Synthesizing calcitriol and secreting erythropoietin, regulating the concentrations of sodium,
potassium, chloride, calcium, and other ions, reabsorbing or secreting hydrogen ions and
bicarbonate, and detecting reductions in blood volume and pressure - Answer Which of the
following are functions of the urinary system?
Nuclei - Answer Which of the following structures is unique to eukaryotic cells?
The lysosome - Answer What is the cell organelle used for digestion to recycle materials?
2.65g/cm^3 (Distance= mass/volume) - Answer A rock has a mass of 14.3 grams (g) and a
volume of 5.4cm^3, what is its density?
They do not have valves but veins do - Answer Why do arteries have valves?
The right ventricle - Answer If the pressure in the pulmonary artery is increased above normal,
which chamber of the heart will be affected first?
It increases the pH of the chyme so as to prevent harm to the intestine - Answer What is the
purpose of sodium bicarbonate when released into the lumen of the small intestine?
A stimulus and response controlled by the spinal cord - Answer Which of the following
describes a reflex arc?
DNA polymerases synthesize DNA discontinuously in pieces called Okazaki fragments after
initially attaching to RNA primers - Answer Describe the synthesis of the lagging strand of DNA
,Bone to bone - Answer Ligaments connect what?
Coronal, sagittal, and transverse - Answer What are the three primary body planes?
It helps cushion the heart against jarring motions - Answer Which of the following is NOT a
major function of the respiratory system in humans?
To regulate blood pressure and heart rate - Answer Which of the following is NOT a function of
the forebrain?
Germline mutations are usually inherited while somatic mutation will affect only the individual -
Answer What is the major difference between somatic and germline mutations?
Asthma - Answer A child complains of heavy breathing even when relaxing. They are an
otherwise healthy child with no history of respiratory problems. What might be the issue?
2:9:10:4 - Answer Find the lowest coefficients that will balance the following combustion
equation.
__C2H10+__O2--->__H2O+__CO2
To increase a reaction's rate by decreasing the activation energy - Answer What is the purpose
of a catalyst?
Special proteins called enzymes - Answer Most catalysts found in biological systems are which
of the following?
The more hydroxide ions in the solution, the higher the pH - Answer Which statement is true
about the pH of a solution?
Ionic bonds - Answer Salts like sodium iodide (Nal) and potassium chloride (KCl) use what type
of bond?
Bonding electrons are shared between 2 or more atoms - Answer Which of the following is
, Upper back - Answer Which of the following areas of the body has the most sweat glands?
Nephrons - Answer A patient's body is not properly filtering blood. Which of the following
body parts is most likely malfunctioning?
Ossification - Answer A pediatrician notes that an infant's cartilage is disappearing and being
replaced by bone. What process has the doctor observed?
Epithelial - Answer The epidermis is composed of what type of cells?
mRNA - Answer Which of the following is directly transcribed from DNA and represents the
first step in protein building?
The genotype will always show an organism's recessive alleles - Answer What information does
a genotype give that a phenotype does not?
There is a 25% chance that an offspring will be short - Answer Which statement is supported
by the Punnett square above, if "T" = Tall and "t" = short?
Evaporation can happen below a liquid's boiling point - Answer Which of the following is a
chief difference between evaporation and boiling?
Sequences of amino acids to be transcribed into mRNA - Answer Which of the following cannot
be found in human cell's genes?
Water is highly cohesive which explains its high melting point - Answer Which of the following
is a special property of water?
A different mass number - Answer What is an isotope? For any given element, it is an atom
with which of the following?
A nucleus always has a positive charge - Answer What is the electrical charge of a nucleus?
Two rounds of testing: The first, where each participant consumes the same level of sugar as
