NLN PAX
NLN PAX SCIENCE VERSION 2 (NEW
2025/ 2026 UPDATE) QUESTIONS &
ANSWERS| GRADE A| 100% CORRECT
(VERIFIED SOLUTIONS)
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?
- ANS ✓120/80 mm Hg
An unknown gas is more dense than air, does not support combustion, and turns
limewater solution cloudy. This gas is most probably - ANS ✓Carbon Dioxide
Guard cells which can be found in the leaves of plants are most closely associated
with which of these processes? - ANS ✓evaporation of water from plants
If a red light passes through a dilute solution of chlorophyll solution, the
spectrophotometer will detect what amount of light transmittance of this light? - ANS
✓50-75%
If the medulla of the brain in a human was damaged, which of these conditions
would most likely result? - ANS ✓Difficulty Breathing
To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If
unavailable, the next most effective method to sterilize the instrument would be -
ANS ✓Boiling in water for 15 minutes
In varieties of matter, the term heterogeneous may be applied to - ANS ✓mixtures,
but not elements or compounds
Periodontitis is an inflammatory condition of the - ANS ✓Gum tissue surrounding
teeth
the bending of a wave around an obstacle is known as - ANS ✓Diffraction
The inherited factors that are transmitted in an organism from generation to
generation are called its - ANS ✓genotype
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