NLN Pax Science practice tests| 170 QUESTIONS| ALL ANSWERED CORRECT
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NLN Pax
Institution
KAPLAN UNIVERSITY
A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person's breath contains: Correct Answer: 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...
nln pax science practice tests| 170 questions| all answered correct
nln pax science practice tests
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NLN Pax
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NLN Pax Science practice tests| 170
QUESTIONS| ALL ANSWERED CORRECT
A person blows his breath into a straw that is placed in limewater. The limewater becomes
cloudy because the person's breath contains: Correct Answer: 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: Correct Answer: ruptured platelets release
thromboplastin
A student focuses sunlight to a point with a thin converging (convex) lens. Which of these direct
measurements can the student make as a result of this experiment? Correct Answer: the
approximate focal length of the lens
In ecological succession, the first living thing to colonize a hitherto barren area is called a:
Correct Answer: pioneer organism
Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of:
Correct Answer: protozoans
Which of these conditions is associated with smoking? Correct Answer: emphysema
Which of these quantities is most closely associated with an object's inertia? Correct Answer:
Mass
Which of these sequences of anatomic organization, from the simplest level to the most complex,
is the correct sequence? Correct Answer: From tissue, organ, organ system to organism
Which part of the cell structure controls the passage of materials into and out of the cell? Correct
Answer: Plasma membrane
While working in the chemistry laboratory, a student spills dilute hydrochloric acid on her hand.
What is the first action this student should take? Correct Answer: Flush her hand with large
quantities of water
Within a living cell, the oxygen (O2) from a mixture of O2 and carbon dioxide (CO2) is used up.
This creates a concentration gradient across the cell membrane, drawing O2 across the
membrane from the outside in, a process known as Correct Answer: Diffusion
You cut your finger rather deeply while slicing an apple. Which of these actions should you take
first? Correct Answer: Wash the wound continuously with cold running water
30 students in a class carefully measure the length and width of 20 peanut shells. They also count
the number and note the size of the peanuts inside. This information is recorded on various
, graphs showing the numbers of nuts and the different sizes. The collected evidence of the
peanuts gives the students an idea of the extent of: Correct Answer: variation within a species
A *tincture* is a solution in which: Correct Answer: alcohol is the solvent
All the glucose filtered from the blood in the glomerulus into the Bowman's capsule of the
kidney nephron is returned to the tissue fluid while passing along the proximal tubule. This rapid
return is effected by the process of: Correct Answer: active transport
If the night temperature drops 50 degrees, the roadrunner's internal energy-conservation permits
a lowering of body temperature to: Correct Answer: 94°F
1 kilogram (kg) of solid X at 10C and 1 kg of solid Y 10C each absorb 5 joules of heat energy.
The final temperatures on X and Y is 15C and 20C, respectively. Compared to X, Y must have a
lower:F Correct Answer: specific heat
A woman suddenly chokes on a piece of food and clutches frantically at her throat. An
immediate remedy is to: Correct Answer: apply quick, hard pressures successively to her
abdomen, just below 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: Correct Answer: carbon dioxide
Night blindness in humans is caused by a lack of: Correct Answer: Vitamin A
In varieties of matter, the term heterogeneous may be applied to: Correct Answer: mixtures, but
not elements or compounds
The atoms of an element with seven valence electrons are most probably classified as: Correct
Answer: nonmetals
The inherited factors that are transmitted in a organism from generation to generation are called
its: Correct Answer: genotype
Which of these conditions is associated with smoking? Correct Answer: Emphysema
Within which of these structures of the female reproductive tract is the human egg fertilized?
Correct Answer: Fallopian tube
A cell which manufactures a large amount of protein for export would have an abundance of
organelles called: Correct Answer: ribosomes
A lens that focuses distant light to a single point is known as a : Correct Answer: converging
(convex) lens
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