NLN Practice Questions with
Complete Solutions37
which process produces the energy in modern nuclear reactors
- fusion
- alpha decay
- fission
- electron capture - ANSWERS-fission
which molecule contains nonpolar covalent bonds
- NaCl
- Cl2
- Her
- CO2 - ANSWERS-Cl2
the scientific name of the cat is Felis domestics, the term Felis indicates which of these levels of
classification
- genus
- species
- family
- kingdom - ANSWERS-genus
different types of white blood cells are classified histologically, they are distinguished from one
another base on their morphology and their
- cell size
,- number in a sample of blood
- staining characteristics
- ability to engulf bacteria - ANSWERS-ability to engulf bacteria
which of the following is an example of a physical property? a substance's ability to
- react with an acid
- oxidize a compound
- decomose
- dissolve in water - ANSWERS-dissolve in water
1 kilogram (kg) of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat energy.
The final temperatures of X and Y are 15°C and 20°C, respectively. Compared to X, Y must have a
lower
specific heat.
conductive heat.
heat of fusion.
heat of vaporization. - ANSWERS-specific heat.
A drop of dilute ammonium hydroxide (NH4OH) is placed on one side of a slide containing a
large number of swimming paramecium. Under this condition, which of these behaviors of the
paramecia will be observed?
They will eventually all swim toward the ammonium hydroxide.
They will show no net change in behavior to the ammonium hydroxide.
They will all be instantly killed by the ammonium hydroxide.
They will eventually all swim away from the ammonium hydroxide. - ANSWERS-They will
eventually all swim away from the ammonium hydroxide.
A method for determining the blood alcohol content of a subject is to
,do a Mantoux test.
do a Dick test.
use a Breathalyzer.
inspect the size of the pupils. - ANSWERS-use a Breathalyzer.
A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which
of these measurements show the normal BP values for a resting adult patient?
125/95 mm Hg
120/80 mm Hg
100/80 mm Hg
72/120 mm Hg - ANSWERS-120/80 mm Hg
A woman suddenly chokes on a piece of food and clutches frantically at her throat. An
immediate remedy is to
have her bend forward and tell her to cough.
insert a finger or a blunt object toward the back of the mouth.
apply quick, hard pressures successively to her abdomen, just beneath her diaphragm.
phone "emergency" for help - ANSWERS-apply quick, hard pressures successively to her
abdomen, just beneath her diaphragm.
An unknown gas is more dense than air, does not support combustion, and turns a limewater
solution cloudy. This gas is most probably
ammonia.
methane.
carbon dioxide.
hydrogen. - ANSWERS-carbon dioxide
, If the medulla of the brain in a human was damaged, which of these conditions would most
likely result?
Inability to remember.
Difficulty in breathing.
Inability to speak.
Blurred vision. - ANSWERS-Difficulty in breathing.
In diagnostic testing, the electroencephalogram permits the physician to
examine the impulses of the specialized muscle cells of the heart.
examine the impulses of the nerve cells within the brain.
measure the pressure within the eye.
measure the amount of air upon exhalation. - ANSWERS-examine the impulses of the nerve
cells within the brain.
In ecological succession, the first living thing to colonize a hitherto barren area is called a
producer.
primary consumer.
pioneer organism.
carnivore. - ANSWERS-pioneer organism.
In varieties of matter, the term heterogeneous may be applied to
elements, but not compounds.
compounds, but not elements.
compounds and elements, but not mixtures.
mixtures, but not elements or compounds. - ANSWERS-mixtures, but not elements or
compounds.
Complete Solutions37
which process produces the energy in modern nuclear reactors
- fusion
- alpha decay
- fission
- electron capture - ANSWERS-fission
which molecule contains nonpolar covalent bonds
- NaCl
- Cl2
- Her
- CO2 - ANSWERS-Cl2
the scientific name of the cat is Felis domestics, the term Felis indicates which of these levels of
classification
- genus
- species
- family
- kingdom - ANSWERS-genus
different types of white blood cells are classified histologically, they are distinguished from one
another base on their morphology and their
- cell size
,- number in a sample of blood
- staining characteristics
- ability to engulf bacteria - ANSWERS-ability to engulf bacteria
which of the following is an example of a physical property? a substance's ability to
- react with an acid
- oxidize a compound
- decomose
- dissolve in water - ANSWERS-dissolve in water
1 kilogram (kg) of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat energy.
The final temperatures of X and Y are 15°C and 20°C, respectively. Compared to X, Y must have a
lower
specific heat.
conductive heat.
heat of fusion.
heat of vaporization. - ANSWERS-specific heat.
A drop of dilute ammonium hydroxide (NH4OH) is placed on one side of a slide containing a
large number of swimming paramecium. Under this condition, which of these behaviors of the
paramecia will be observed?
They will eventually all swim toward the ammonium hydroxide.
They will show no net change in behavior to the ammonium hydroxide.
They will all be instantly killed by the ammonium hydroxide.
They will eventually all swim away from the ammonium hydroxide. - ANSWERS-They will
eventually all swim away from the ammonium hydroxide.
A method for determining the blood alcohol content of a subject is to
,do a Mantoux test.
do a Dick test.
use a Breathalyzer.
inspect the size of the pupils. - ANSWERS-use a Breathalyzer.
A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which
of these measurements show the normal BP values for a resting adult patient?
125/95 mm Hg
120/80 mm Hg
100/80 mm Hg
72/120 mm Hg - ANSWERS-120/80 mm Hg
A woman suddenly chokes on a piece of food and clutches frantically at her throat. An
immediate remedy is to
have her bend forward and tell her to cough.
insert a finger or a blunt object toward the back of the mouth.
apply quick, hard pressures successively to her abdomen, just beneath her diaphragm.
phone "emergency" for help - ANSWERS-apply quick, hard pressures successively to her
abdomen, just beneath her diaphragm.
An unknown gas is more dense than air, does not support combustion, and turns a limewater
solution cloudy. This gas is most probably
ammonia.
methane.
carbon dioxide.
hydrogen. - ANSWERS-carbon dioxide
, If the medulla of the brain in a human was damaged, which of these conditions would most
likely result?
Inability to remember.
Difficulty in breathing.
Inability to speak.
Blurred vision. - ANSWERS-Difficulty in breathing.
In diagnostic testing, the electroencephalogram permits the physician to
examine the impulses of the specialized muscle cells of the heart.
examine the impulses of the nerve cells within the brain.
measure the pressure within the eye.
measure the amount of air upon exhalation. - ANSWERS-examine the impulses of the nerve
cells within the brain.
In ecological succession, the first living thing to colonize a hitherto barren area is called a
producer.
primary consumer.
pioneer organism.
carnivore. - ANSWERS-pioneer organism.
In varieties of matter, the term heterogeneous may be applied to
elements, but not compounds.
compounds, but not elements.
compounds and elements, but not mixtures.
mixtures, but not elements or compounds. - ANSWERS-mixtures, but not elements or
compounds.
