OPENSTAX ANATOMY AND PHYSIOLOGY
REVIEW QUESTIONS EXAM WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS|FREQUENTLY TESTED
QUESTIONS AND
SOLUTIONS|NEWEST|GUARANTEED PASS
2026/2027
s
A collection of similar tissues that performs a specific function is an ________.
organ
The body system responsible for structural support and movement is the ________.
skeletal system
Metabolism can be defined as the ________.
sum of all chemical reactions in an organism
Cancer cells can be characterized as "generic" cells that perform no specialized body function. Thus
cancer cells lack ________.
differentiation
Humans have the most urgent need for a continuous supply of ________.
oxygen
Which of the following statements about nutrients is true?
All classes of nutrients are essential to human survival.
C.J. is stuck in their car during a bitterly cold blizzard. Their body responds to the cold by ________.
breaking down stored energy
After you eat lunch, nerve cells in your stomach respond to the distension (the stimulus) resulting from
the food. They relay this information to ________.
a control center
1|Page
,Stimulation of the heat-loss center causes ________.
sweat glands to increase their output
Which of the following is an example of a normal physiologic process that uses a positive feedback loop?
childbirth
What is the position of the body when it is in the "normal anatomical position?"
The person is supine with upper limbs, including palms, touching sides and lower limbs touching at
sides.
To make a banana split, you halve a banana into two long, thin, right and left sides along the ________.
Coronal plane
The lumbar region is ________.
superior to the popliteal region
The heart is within the ________.
mediastinum
In 1901, Wilhelm Rontgen was the first person to win the Nobel Prize for physics. For what discovery did
he win?
X-rays
Which of the following imaging techniques would be best to use to study the uptake of nutrients by
rapidly multiplying cancer cells?
PET
Which of the following imaging studies can be used most safely during pregnancy?
ultrasounds
What are two major disadvantages of MRI scans?
high cost and the need for shielding from the magnetic signals
Together, just four elements make up more than 95 percent of the body's mass. These include
________.
oxygen, carbon, hydrogen, and nitrogen
The smallest unit of an element that still retains the distinctive behavior of that element is an ________.
atom
The characteristic that gives an element its distinctive properties is its number of ________.
protons
2|Page
,On the periodic table of the elements, mercury (Hg) has an atomic number of 80 and a mass number of
200.59. It has seven stable isotopes. The most abundant of these probably have ________.
more than 80 neutrons each
Nitrogen has an atomic number of seven. How many electron shells does it likely have?
two
Which of the following is a molecule, but not a compound?
H2
A molecule of ammonia contains one atom of nitrogen and three atoms of hydrogen. These are linked
with ________.
polar covalent bonds
When an atom donates an electron to another atom, it becomes
an ion
A substance formed of crystals of equal numbers of cations and anions held together by ionic bonds is
called a(n) ________.
salt
Which of the following statements about chemical bonds is true?
Covalent bonds are stronger than ionic bonds.
The energy stored in a foot of snow on a steep roof is ________.
potential energy
The bonding of calcium, phosphorus, and other elements produces mineral crystals that are found in
bone. This is an example of a(n) ________ reaction.
synthesis
AB→A+BAB→A+B is a general notation for a(n) ________ reaction.
decomposition
________ reactions release energy.
Catabolic, exergonic, and decomposition
Which of the following combinations of atoms is most likely to result in a chemical reaction?
hydrogen and hydrogen
Chewing a bite of bread mixes it with saliva and facilitates its chemical breakdown. This is most
likely due to the fact that
3|Page
, saliva contains enzymes
CH4 is methane. This compound is
organic
Which of the following is most likely to be found evenly distributed in water in a homogeneous solution?
sodium ions and chloride ions
Jenny mixes up a batch of pancake batter, then stirs in some chocolate chips. As she is waiting for the
first few pancakes to cook, she notices the chocolate chips sinking to the bottom of the clear glass
mixing bowl. The chocolate-chip batter is an example of a ________.
suspension
A substance dissociates into K+ and Cl- in solution. The substance is a(n) ________.
salt
Ty is three years old and as a result of a "stomach bug" has been vomiting for about 24 hours. His blood
pH is 7.48. What does this mean?
Ty's blood is slightly alkaline
C6H12O6 is the chemical formula for a ________.
hexose monosaccharide
What organic compound do brain cells primarily rely on for fuel?
glucose
Which of the following is a functional group that is part of a building block of proteins?
amino
A pentose sugar is a part of the monomer used to build which type of macromolecule?
nucleic acids
A phospholipid ________.
is made up of a triglyceride bonded to a phosphate group
In DNA, nucleotide bonding forms a compound with a characteristic shape known as a(n) ________.
double helix
The ability of an enzyme's active sites to bind only substrates of compatible shape and charge is known
as ________.
specificity
Because they are embedded within the membrane, ion channels are examples of ________.
4|Page
REVIEW QUESTIONS EXAM WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS|FREQUENTLY TESTED
QUESTIONS AND
SOLUTIONS|NEWEST|GUARANTEED PASS
2026/2027
s
A collection of similar tissues that performs a specific function is an ________.
organ
The body system responsible for structural support and movement is the ________.
skeletal system
Metabolism can be defined as the ________.
sum of all chemical reactions in an organism
Cancer cells can be characterized as "generic" cells that perform no specialized body function. Thus
cancer cells lack ________.
differentiation
Humans have the most urgent need for a continuous supply of ________.
oxygen
Which of the following statements about nutrients is true?
All classes of nutrients are essential to human survival.
C.J. is stuck in their car during a bitterly cold blizzard. Their body responds to the cold by ________.
breaking down stored energy
After you eat lunch, nerve cells in your stomach respond to the distension (the stimulus) resulting from
the food. They relay this information to ________.
a control center
1|Page
,Stimulation of the heat-loss center causes ________.
sweat glands to increase their output
Which of the following is an example of a normal physiologic process that uses a positive feedback loop?
childbirth
What is the position of the body when it is in the "normal anatomical position?"
The person is supine with upper limbs, including palms, touching sides and lower limbs touching at
sides.
To make a banana split, you halve a banana into two long, thin, right and left sides along the ________.
Coronal plane
The lumbar region is ________.
superior to the popliteal region
The heart is within the ________.
mediastinum
In 1901, Wilhelm Rontgen was the first person to win the Nobel Prize for physics. For what discovery did
he win?
X-rays
Which of the following imaging techniques would be best to use to study the uptake of nutrients by
rapidly multiplying cancer cells?
PET
Which of the following imaging studies can be used most safely during pregnancy?
ultrasounds
What are two major disadvantages of MRI scans?
high cost and the need for shielding from the magnetic signals
Together, just four elements make up more than 95 percent of the body's mass. These include
________.
oxygen, carbon, hydrogen, and nitrogen
The smallest unit of an element that still retains the distinctive behavior of that element is an ________.
atom
The characteristic that gives an element its distinctive properties is its number of ________.
protons
2|Page
,On the periodic table of the elements, mercury (Hg) has an atomic number of 80 and a mass number of
200.59. It has seven stable isotopes. The most abundant of these probably have ________.
more than 80 neutrons each
Nitrogen has an atomic number of seven. How many electron shells does it likely have?
two
Which of the following is a molecule, but not a compound?
H2
A molecule of ammonia contains one atom of nitrogen and three atoms of hydrogen. These are linked
with ________.
polar covalent bonds
When an atom donates an electron to another atom, it becomes
an ion
A substance formed of crystals of equal numbers of cations and anions held together by ionic bonds is
called a(n) ________.
salt
Which of the following statements about chemical bonds is true?
Covalent bonds are stronger than ionic bonds.
The energy stored in a foot of snow on a steep roof is ________.
potential energy
The bonding of calcium, phosphorus, and other elements produces mineral crystals that are found in
bone. This is an example of a(n) ________ reaction.
synthesis
AB→A+BAB→A+B is a general notation for a(n) ________ reaction.
decomposition
________ reactions release energy.
Catabolic, exergonic, and decomposition
Which of the following combinations of atoms is most likely to result in a chemical reaction?
hydrogen and hydrogen
Chewing a bite of bread mixes it with saliva and facilitates its chemical breakdown. This is most
likely due to the fact that
3|Page
, saliva contains enzymes
CH4 is methane. This compound is
organic
Which of the following is most likely to be found evenly distributed in water in a homogeneous solution?
sodium ions and chloride ions
Jenny mixes up a batch of pancake batter, then stirs in some chocolate chips. As she is waiting for the
first few pancakes to cook, she notices the chocolate chips sinking to the bottom of the clear glass
mixing bowl. The chocolate-chip batter is an example of a ________.
suspension
A substance dissociates into K+ and Cl- in solution. The substance is a(n) ________.
salt
Ty is three years old and as a result of a "stomach bug" has been vomiting for about 24 hours. His blood
pH is 7.48. What does this mean?
Ty's blood is slightly alkaline
C6H12O6 is the chemical formula for a ________.
hexose monosaccharide
What organic compound do brain cells primarily rely on for fuel?
glucose
Which of the following is a functional group that is part of a building block of proteins?
amino
A pentose sugar is a part of the monomer used to build which type of macromolecule?
nucleic acids
A phospholipid ________.
is made up of a triglyceride bonded to a phosphate group
In DNA, nucleotide bonding forms a compound with a characteristic shape known as a(n) ________.
double helix
The ability of an enzyme's active sites to bind only substrates of compatible shape and charge is known
as ________.
specificity
Because they are embedded within the membrane, ion channels are examples of ________.
4|Page
