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HESI A2 ENTRANCE EXAM HESI COMPREHENSIVE EXAMINATION: EXAM QUESTIONS 2026 VERIFIED QUESTIONS AND DETAILED ANSWERS A GRADED Question 1 2 total marks A substance is defined as a form of matter that has a definite composition and distinct

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HESI A2 ENTRANCE EXAM HESI COMPREHENSIVE EXAMINATION: EXAM QUESTIONS 2026 VERIFIED QUESTIONS AND DETAILED ANSWERS A GRADED 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 B Neutron C Nucleus Orbit generated on 05.07.2026 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? A London dispersion forces B Hydrogen bonding C Ionic bonding D Dipole-dipole interactions Question 4 In the process of respiration, which step occurs first? A Electron transport chain B Glycolysis C Krebs cycle D Calvin cycle Question 5 What is the systematic name for ammonia ( )? A Nitrogen trioxide B Nitrous acid C Ammonium nitrate D Hydrogen nitrogen trihydride Question 6 What is the magnification of a standard ocular lens on a light microscope? 1 mark 1 mark 1 mark

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HESI A2 ENTRANCE EXAM

HESI COMPREHENSIVE
EXAMINATION:

EXAM QUESTIONS 2026 VERIFIED

QUESTIONS AND DETAILED

ANSWERS A GRADED
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




generated on 05.07.2026

,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?

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?




generated on 05.07.2026

, 1 mark
A 40x

B 100x

C 10x

D 4x




generated on 05.07.2026

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