NLN PAX RN Science/ Quizzes & Correct Answers/
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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 - (ANSWER)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 -
(ANSWER)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
, 2
D) nitrogen - (ANSWER)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 - (ANSWER)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 - (ANSWER)C) carbon dioxide
Human testes produce
A) eggs
B) follicle stimulating hormone
C) growth hormone
D) spermatozoa - (ANSWER)D) spermatozoa