NLN PAX Verbal Science Practice Test Questions & Answers 2024/2025
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NLN PAX Verbal Science Practice
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NLN PAX Verbal Science Practice
NLN PAX Verbal Science Practice Test Questions & Answers 2024/2025
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?
A) The approximate focal length of the lens. B) The approximat...
NLN PAX Verbal Science Practice Test
Questions & Answers 2024/2025
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?
A) The approximate focal length of the lens. B) The approximate wavelength of the light used. C) The
approximate speed of light. D) The approximate index of refraction of the lens material. - ANSWERSA)
Approximate focal length of lens
The bending of a wave around an obstacle is known as
A. diffraction.
B. deflection.
C. refraction.
D. reflection. - ANSWERSA) Diffraction
Which of these temperatures is known as Absolute Zero?
A. 0°C
B. 0 K
C. positive 273°C
D. negative 273 K - ANSWERSB) 0 K
A lab technician has the choice of four different enzymes to use in an experiment that will run at 25°C.
The optimal temperatures of enzymes using the Kelvin scale are: Enzyme A: 273 K, Enzyme B: 298 K,
Enzyme C: 310 K, Enzyme D: 325 K. Which enzyme would be the best to use in this experiment?
A. Enzyme A
B. Enzyme B
C. Enzyme C
D. Enzyme D - ANSWERSB. Enzyme B; 298 K
, As part of the human immune response, which of these cells are responsible for producing antibodies?
A. Lymphocytes.
B. Helper cells.
C. Suppressor cells.
D. Macrophages. - ANSWERSA. Lymphocytes
Cicero and Wozniak probably decided to restrict their study to male offspring of alcoholic male rats
because they wanted to
A. test the effect of alcoholism on the rate of reproduction.
B. prove that adverse effects on male offspring are accidental.
C. compare results with prior findings from human studies.
D. test generational alcoholism in both sexes. - ANSWERSC. compare results with prior findings
Cicero and Wozniak used young rats in their experiment instead of older rats because young rats are
A. healthier.
B. more likely to survive an experiment.
C. easier to train.
D. more sensitive to alcohol. - ANSWERSD. more sensitive to alcohol.
In order to observe the endoplasmic reticulum in a cell, a scientist would use
A. a light-microscope.
B. an electron microscope.
C. an ultracentrifuge.
D. dissecting instruments. - ANSWERSB. an electron microscope.
Muscles are attached to bone by which of these structures?
A. Cartilage.
B. Ligament.
C. Capsula.
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