NLN PAX SCIENCE PRACTICE TEST QUESTIONS & ANSWERS 2026-20… EXAM
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
NLN PAX Science
Practice Test Questions
& Answers 2026-2027 |
Comprehensive Exam
Prep
Verified Answers Exam Ready With Rationales
100 QUESTIONS
DOCUMENT OVERVIEW
This document contains 100 verified questions with correct answers provided, focusing on
various scientific concepts relevant to nursing entrance examinations. It serves as an
essential resource for students preparing for certification, exam reviews, or enhancing their
understanding of foundational science principles. The format allows for efficient study and
reinforcement of knowledge, ensuring clarity and confidence in mastering the subject matter.
CONTENTS
Chemistry Concepts Q1–Q17
Human Anatomy Q18–Q35
Physics Principles Q36–Q52
Page 1
, Biological Processes Q53–Q69
Ecology and Evolution Q70–Q84
Health and Medicine Q85–Q100
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 100
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
Q2 QUESTION 2 OF 100
Which of these quantities is most closely associated with an object's inertia?
CORRECT ANSWER
Mass
Q3 QUESTION 3 OF 100
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
Q4 QUESTION 4 OF 100
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:
Page 2
, CORRECT ANSWER
active transport
Q5 QUESTION 5 OF 100
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
Q6 QUESTION 6 OF 100
The atoms of an element with seven valence electrons are most probably classified as:
CORRECT ANSWER
nonmetals
Q7 QUESTION 7 OF 100
The Law of Dominance was proposed by which of the following scientists?
CORRECT ANSWER
Mendel
Q8 QUESTION 8 OF 100
When two atoms share a pair of electrons, the bond between them is called:
CORRECT ANSWER
covalent
Page 3
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
NLN PAX Science
Practice Test Questions
& Answers 2026-2027 |
Comprehensive Exam
Prep
Verified Answers Exam Ready With Rationales
100 QUESTIONS
DOCUMENT OVERVIEW
This document contains 100 verified questions with correct answers provided, focusing on
various scientific concepts relevant to nursing entrance examinations. It serves as an
essential resource for students preparing for certification, exam reviews, or enhancing their
understanding of foundational science principles. The format allows for efficient study and
reinforcement of knowledge, ensuring clarity and confidence in mastering the subject matter.
CONTENTS
Chemistry Concepts Q1–Q17
Human Anatomy Q18–Q35
Physics Principles Q36–Q52
Page 1
, Biological Processes Q53–Q69
Ecology and Evolution Q70–Q84
Health and Medicine Q85–Q100
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 100
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
Q2 QUESTION 2 OF 100
Which of these quantities is most closely associated with an object's inertia?
CORRECT ANSWER
Mass
Q3 QUESTION 3 OF 100
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
Q4 QUESTION 4 OF 100
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:
Page 2
, CORRECT ANSWER
active transport
Q5 QUESTION 5 OF 100
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
Q6 QUESTION 6 OF 100
The atoms of an element with seven valence electrons are most probably classified as:
CORRECT ANSWER
nonmetals
Q7 QUESTION 7 OF 100
The Law of Dominance was proposed by which of the following scientists?
CORRECT ANSWER
Mendel
Q8 QUESTION 8 OF 100
When two atoms share a pair of electrons, the bond between them is called:
CORRECT ANSWER
covalent
Page 3
