NLN PAX RN Science/ 54 Quizzes & Correct Answers/ A+ Score Solution.|
2025 LATEST UPDATED
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
A) specific heat
B) conductive heat
C) heat of fusion
D) heat of vaporization - (answers)A) 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
paramecium will be observed?
A) They will eventually all swim toward the ammonium hydroxide
B) They will show no net change in behavior to the ammonium hydroxide
C) They will all be instantly killed by the ammonium hydroxide
D) They will eventually all swim away from the ammonium hydroxide - (answers)D) They will
eventually all swim away from the ammonium hydroxide
A person blows his breath into a straw that is placed in limewater. The limewater becomes
cloudy because the person's breath contains
A) carbon dioxide
B) hydrogen
C) oxygen
D) nitrogen - (answers)A) carbon dioxide
A person who was in an auto accident has formed a blood clot at the site of the injury. One event
that can lead to formation of a blood clot is that
A) red blood cells release hemoglobin
, B) bone marrow cell decrease platelet production
C) white blood cells release antibodies
D) ruptured platelets release thromboplastin - (answers)D) ruptured platelets release
thromboplastin
An unknown gas is more dense than air, does not support combustion, and turns a limewater
solution cloudy. This gas is most probably
A) ammonia
B) methane
C) carbon dioxide
D) hydrogen - (answers)C) carbon dioxide
Human testes produce
A) eggs
B) follicle stimulating hormone
C) growth hormone
D) spermatozoa - (answers)D) spermatozoa
If the medulla of the brain in a human was damaged, which of these conditions would most
likely result?
A) inability to remember
B) difficulty in breathing
C) inability to speak
D) blurred vision - (answers)B) difficulty in breathing
In ecological succession, the first living thing to colonize a hitherto barren area is called a
A) producer
B) primary consumer
C) pioneer organism
2025 LATEST UPDATED
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
A) specific heat
B) conductive heat
C) heat of fusion
D) heat of vaporization - (answers)A) 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
paramecium will be observed?
A) They will eventually all swim toward the ammonium hydroxide
B) They will show no net change in behavior to the ammonium hydroxide
C) They will all be instantly killed by the ammonium hydroxide
D) They will eventually all swim away from the ammonium hydroxide - (answers)D) They will
eventually all swim away from the ammonium hydroxide
A person blows his breath into a straw that is placed in limewater. The limewater becomes
cloudy because the person's breath contains
A) carbon dioxide
B) hydrogen
C) oxygen
D) nitrogen - (answers)A) carbon dioxide
A person who was in an auto accident has formed a blood clot at the site of the injury. One event
that can lead to formation of a blood clot is that
A) red blood cells release hemoglobin
, B) bone marrow cell decrease platelet production
C) white blood cells release antibodies
D) ruptured platelets release thromboplastin - (answers)D) ruptured platelets release
thromboplastin
An unknown gas is more dense than air, does not support combustion, and turns a limewater
solution cloudy. This gas is most probably
A) ammonia
B) methane
C) carbon dioxide
D) hydrogen - (answers)C) carbon dioxide
Human testes produce
A) eggs
B) follicle stimulating hormone
C) growth hormone
D) spermatozoa - (answers)D) spermatozoa
If the medulla of the brain in a human was damaged, which of these conditions would most
likely result?
A) inability to remember
B) difficulty in breathing
C) inability to speak
D) blurred vision - (answers)B) difficulty in breathing
In ecological succession, the first living thing to colonize a hitherto barren area is called a
A) producer
B) primary consumer
C) pioneer organism
