SCI 221 PHYSIOLOGY UPDATED EXAM SCRIPT
QUESTIONS AND SOLUTIONS RATED A+
✔✔Which of the following is not one of the major groups of organic substances in the
human body? - ✔✔Salts
✔✔The vital capacity is equal to the sum of the: - ✔✔inspiratory reserve volume, tidal
volume, and expiratory reserve volume.
✔✔DNA - ✔✔is a double-helix strand of nucleotides.
✔✔The somatic senses enable us to detect sensations, including: - ✔✔all of the above.
✔✔Which of the following is not a regulated process associated with the functioning of
the respiratory system? - ✔✔Control of cell metabolism rate
✔✔Compared with the outside of the neuron, the inside has a(n) ____ charge. -
✔✔negative
✔✔All of the following are nonsteroid hormones except: - ✔✔cortisol
✔✔The physiological mechanism that dissolves clots is known as - ✔✔fibrinolysis
✔✔Cerebrospinal fluid is formed by filtration of blood in the: - ✔✔choroid plexuses.
✔✔The main advantage of sexual reproduction over asexual reproduction is: - ✔✔there
is greater diversity in the offspring.
✔✔Homeostasis can best be described as: - ✔✔a state of relative constancy.
✔✔The only ion(s) that can diffuse across a neuron's membrane when the neuron is at
rest is (are): - ✔✔potassium
✔✔Two solutions of different concentrations of glucose are separated by a membrane
that allows both glucose and water to pass through. When dynamic equilibrium is
reached, there will be: - ✔✔an even exchange of material across the membrane.
✔✔an even exchange of material across the membrane. - ✔✔Epithelial
✔✔The substances absorbed into the lymph capillaries are: - ✔✔glycerol and fatty
acids.
, ✔✔Which muscles are used for forced expiration? - ✔✔Abdominal muscles and internal
intercostals
✔✔When an impulse reaches a synapse: - ✔✔chemical transmitters are released.
✔✔When comparing the volume of the various body fluids, the correct order going from
highest to lowest in total volume would be: - ✔✔intracellular fluid, interstitial fluid,
plasma.
✔✔The type of tissue that contains cells called neurons is called: - ✔✔nervous
✔✔For the body to maintain an acid-base balance, which of the following is (are)
necessary? - ✔✔All of the above
✔✔When classified according to the kind of chemical reactions catalyzed, digestive
enzymes are referred to as _____ enzymes. - ✔✔hydrolyzing
✔✔The term blood type refers to the type of blood cell - ✔✔antigen
✔✔Positive-feedback control systems: - ✔✔accelerate a change.
✔✔Cerebrospinal fluid is part of the _____ fluid. - ✔✔extracellular
✔✔The difference between systolic pressure and diastolic pressure is called - ✔✔pulse
pressure.
✔✔Which of the following is not a characteristic of epithelial tissue? - ✔✔Is important in
communication and control
✔✔The first event to occur in muscle relaxation is that: - ✔✔the sarcoplasmic reticulum
begins actively pumping calcium back into its sacs.
✔✔The basic building blocks of fats are: - ✔✔fatty acids and glycerol.
✔✔All of the following cranial nerves are involved in proprioception except the: -
✔✔vagus
✔✔The fastest nerve fibers in the body can conduct impulses up to approximately
_____ meters per second. - ✔✔130
✔✔Which of the following is not true of enzymes? - ✔✔They change chemically and are
in the end products of the reaction.
QUESTIONS AND SOLUTIONS RATED A+
✔✔Which of the following is not one of the major groups of organic substances in the
human body? - ✔✔Salts
✔✔The vital capacity is equal to the sum of the: - ✔✔inspiratory reserve volume, tidal
volume, and expiratory reserve volume.
✔✔DNA - ✔✔is a double-helix strand of nucleotides.
✔✔The somatic senses enable us to detect sensations, including: - ✔✔all of the above.
✔✔Which of the following is not a regulated process associated with the functioning of
the respiratory system? - ✔✔Control of cell metabolism rate
✔✔Compared with the outside of the neuron, the inside has a(n) ____ charge. -
✔✔negative
✔✔All of the following are nonsteroid hormones except: - ✔✔cortisol
✔✔The physiological mechanism that dissolves clots is known as - ✔✔fibrinolysis
✔✔Cerebrospinal fluid is formed by filtration of blood in the: - ✔✔choroid plexuses.
✔✔The main advantage of sexual reproduction over asexual reproduction is: - ✔✔there
is greater diversity in the offspring.
✔✔Homeostasis can best be described as: - ✔✔a state of relative constancy.
✔✔The only ion(s) that can diffuse across a neuron's membrane when the neuron is at
rest is (are): - ✔✔potassium
✔✔Two solutions of different concentrations of glucose are separated by a membrane
that allows both glucose and water to pass through. When dynamic equilibrium is
reached, there will be: - ✔✔an even exchange of material across the membrane.
✔✔an even exchange of material across the membrane. - ✔✔Epithelial
✔✔The substances absorbed into the lymph capillaries are: - ✔✔glycerol and fatty
acids.
, ✔✔Which muscles are used for forced expiration? - ✔✔Abdominal muscles and internal
intercostals
✔✔When an impulse reaches a synapse: - ✔✔chemical transmitters are released.
✔✔When comparing the volume of the various body fluids, the correct order going from
highest to lowest in total volume would be: - ✔✔intracellular fluid, interstitial fluid,
plasma.
✔✔The type of tissue that contains cells called neurons is called: - ✔✔nervous
✔✔For the body to maintain an acid-base balance, which of the following is (are)
necessary? - ✔✔All of the above
✔✔When classified according to the kind of chemical reactions catalyzed, digestive
enzymes are referred to as _____ enzymes. - ✔✔hydrolyzing
✔✔The term blood type refers to the type of blood cell - ✔✔antigen
✔✔Positive-feedback control systems: - ✔✔accelerate a change.
✔✔Cerebrospinal fluid is part of the _____ fluid. - ✔✔extracellular
✔✔The difference between systolic pressure and diastolic pressure is called - ✔✔pulse
pressure.
✔✔Which of the following is not a characteristic of epithelial tissue? - ✔✔Is important in
communication and control
✔✔The first event to occur in muscle relaxation is that: - ✔✔the sarcoplasmic reticulum
begins actively pumping calcium back into its sacs.
✔✔The basic building blocks of fats are: - ✔✔fatty acids and glycerol.
✔✔All of the following cranial nerves are involved in proprioception except the: -
✔✔vagus
✔✔The fastest nerve fibers in the body can conduct impulses up to approximately
_____ meters per second. - ✔✔130
✔✔Which of the following is not true of enzymes? - ✔✔They change chemically and are
in the end products of the reaction.
