HESI A2 VOCABULARY QUESTIONS & ANSWERS 2026-2027 | UPDAT… 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
HESI A2 Vocabulary
Questions & Answers
2026-2027 | Updated
Exam Edition
(Rationales)
Verified Answers Exam Ready With Rationales
311 QUESTIONS
DOCUMENT OVERVIEW
This updated exam edition provides 311 HESI A2 vocabulary questions with their correct
answers and detailed rationales, including diagrams. It is a comprehensive resource for
medical terminology. Students can use this document for effective study and review to
prepare for certification exams.
CONTENTS
• General Medical Terminology • Male Reproductive System
• Respiratory Conditions • Urinary System Disorders
• Female Reproductive System • Skin and Connective Tissue
Page 1
,• Diagnostic Imaging and Procedures • General Descriptive Terms
• Cellular and Genetic Terms • Neurological and Sensory
• Blood and Hematology • Neoplasms and Tumors
• Bone and Joint Conditions • Gastrointestinal System
• Endocrine and Metabolic
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 311
acapnia
CORRECT ANSWER
low level of CO2 in the blood
RATIONALE
Acapnia signifies the absence or profound reduction of carbon dioxide in the blood, often resulting
from hyperventilation. This condition is characterized by a low partial pressure of carbon dioxide
(PCO2) in arterial blood.
Q2 QUESTION 2 OF 311
contusion
CORRECT ANSWER
bruising of tissue w/o loss in skin integrity
RATIONALE
A contusion signifies blunt force trauma causing subcutaneous hemorrhage and tissue damage,
distinguished by intact epidermis. This injury results from capillary rupture beneath the skin surface
without a break in the integument.
Page 2
, Q3 QUESTION 3 OF 311
discrete
CORRECT ANSWER
a separate entity; unique
RATIONALE
Discrete" signifies something that is distinct and separate, existing as an individual unit, which
aligns with the definition of a separate entity or something unique. The core concept tested is
understanding precise vocabulary and its denotation of individuality or separation.
Q4 QUESTION 4 OF 311
dorsal
CORRECT ANSWER
related to a posterior position
RATIONALE
Dorsal refers to the posterior aspect or the back side of a structure or body part, contrasting with
ventral which denotes the anterior or front side. This anatomical term relates to a posterior position
and is often used in descriptions of anatomical locations and movements.
Q5 QUESTION 5 OF 311
endogenous
CORRECT ANSWER
the growth from a deep tissue; conditions that arise from factors that are internal to an
organism
Page 3
, RATIONALE
Endogenous" describes conditions originating from within the body, such as internal physiological
processes or disease states, contrasting with exogenous factors that arise from external sources.
This term highlights the internal origin of a phenomenon, emphasizing its development from
inherent biological mechanisms or predispositions.
Q6 QUESTION 6 OF 311
etiology
CORRECT ANSWER
study of disease relationships origin
RATIONALE
Etiology specifically refers to the study of the causes and origins of diseases, including their
relationships and development. This concept is fundamental to understanding how and why
pathological processes begin.
Q7 QUESTION 7 OF 311
excess
CORRECT ANSWER
surpassing usual limitations; unnecessary indulgence
RATIONALE
The word "excess" denotes a quantity or degree beyond what is normal, reasonable, or necessary,
often implying overindulgence or superfluity. This core meaning captures the idea of surpassing
usual limitations and engaging in unnecessary indulgence.
Q8 QUESTION 8 OF 311
exogenous
CORRECT ANSWER
the growth from superficial to shallow tissue; refers to conditions caused by factors that are
EXTERNAL to an organism
Page 4
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
HESI A2 Vocabulary
Questions & Answers
2026-2027 | Updated
Exam Edition
(Rationales)
Verified Answers Exam Ready With Rationales
311 QUESTIONS
DOCUMENT OVERVIEW
This updated exam edition provides 311 HESI A2 vocabulary questions with their correct
answers and detailed rationales, including diagrams. It is a comprehensive resource for
medical terminology. Students can use this document for effective study and review to
prepare for certification exams.
CONTENTS
• General Medical Terminology • Male Reproductive System
• Respiratory Conditions • Urinary System Disorders
• Female Reproductive System • Skin and Connective Tissue
Page 1
,• Diagnostic Imaging and Procedures • General Descriptive Terms
• Cellular and Genetic Terms • Neurological and Sensory
• Blood and Hematology • Neoplasms and Tumors
• Bone and Joint Conditions • Gastrointestinal System
• Endocrine and Metabolic
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 311
acapnia
CORRECT ANSWER
low level of CO2 in the blood
RATIONALE
Acapnia signifies the absence or profound reduction of carbon dioxide in the blood, often resulting
from hyperventilation. This condition is characterized by a low partial pressure of carbon dioxide
(PCO2) in arterial blood.
Q2 QUESTION 2 OF 311
contusion
CORRECT ANSWER
bruising of tissue w/o loss in skin integrity
RATIONALE
A contusion signifies blunt force trauma causing subcutaneous hemorrhage and tissue damage,
distinguished by intact epidermis. This injury results from capillary rupture beneath the skin surface
without a break in the integument.
Page 2
, Q3 QUESTION 3 OF 311
discrete
CORRECT ANSWER
a separate entity; unique
RATIONALE
Discrete" signifies something that is distinct and separate, existing as an individual unit, which
aligns with the definition of a separate entity or something unique. The core concept tested is
understanding precise vocabulary and its denotation of individuality or separation.
Q4 QUESTION 4 OF 311
dorsal
CORRECT ANSWER
related to a posterior position
RATIONALE
Dorsal refers to the posterior aspect or the back side of a structure or body part, contrasting with
ventral which denotes the anterior or front side. This anatomical term relates to a posterior position
and is often used in descriptions of anatomical locations and movements.
Q5 QUESTION 5 OF 311
endogenous
CORRECT ANSWER
the growth from a deep tissue; conditions that arise from factors that are internal to an
organism
Page 3
, RATIONALE
Endogenous" describes conditions originating from within the body, such as internal physiological
processes or disease states, contrasting with exogenous factors that arise from external sources.
This term highlights the internal origin of a phenomenon, emphasizing its development from
inherent biological mechanisms or predispositions.
Q6 QUESTION 6 OF 311
etiology
CORRECT ANSWER
study of disease relationships origin
RATIONALE
Etiology specifically refers to the study of the causes and origins of diseases, including their
relationships and development. This concept is fundamental to understanding how and why
pathological processes begin.
Q7 QUESTION 7 OF 311
excess
CORRECT ANSWER
surpassing usual limitations; unnecessary indulgence
RATIONALE
The word "excess" denotes a quantity or degree beyond what is normal, reasonable, or necessary,
often implying overindulgence or superfluity. This core meaning captures the idea of surpassing
usual limitations and engaging in unnecessary indulgence.
Q8 QUESTION 8 OF 311
exogenous
CORRECT ANSWER
the growth from superficial to shallow tissue; refers to conditions caused by factors that are
EXTERNAL to an organism
Page 4
