HESI A2 ENTRANCE EXAM
HESI COMPREHENSIVE PRACTICE
EXAMINATION
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Section 1/6 40 total marks Multiple Choice
Select the single best answer for each of the following questions based on the document provided.
generated on 05.07.2026
,Question 1 2 total marks
A substance is defined as a form of matter that has a definite composition and distinct properties. In an atom,
electrons are found in orbits or orbitals, while the nucleus contains protons and neutrons. The mass number is
calculated by adding the number of protons and neutrons together.
A If an element has a mass number of 14 and contains 8 neutrons, what is the atomic number (number of
protons) of this element?
A 22
B 8
C 14
D 6
Where is the specific location of an electron within an atom?
A Orbit
B Neutron
C Nucleus
D Proton
Question 2 1 mark
Which biochemical compound group includes both bacon grease (solid at room temperature) and vegetable oil
(liquid at room temperature)?
A Nucleic Acids
B Carbohydrates
C Proteins
D Lipids
Question 3
What is the strongest type of intermolecular force identified in the source text?
generated on 05.07.2026
, 1 mark
A London dispersion forces B
Hydrogen bonding
C Ionic bonding
D Dipole-dipole interactions
Question 4 1 mark
In the process of respiration, which step occurs first?
A Electron transport chain B
Glycolysis
C Krebs cycle
D Calvin cycle
Question 5 1 mark
What is the systematic name for ammonia ( )?
A Nitrogen trioxide B
Nitrous acid
C Ammonium nitrate
D Hydrogen nitrogen trihydride
Question 6 1 mark
What is the magnification of a standard ocular lens on a light microscope?
A 40x
B 100x
C 10x
D 4x
generated on 05.07.2026