SOLUTION GUIDE 2026/2027 | Answered Questions |
Updated for Nursing Entrance | Pass Guaranteed - A+
Graded
[Section 1: Body Planes, Cavities, & Homeostasis (Q1-6)]
Q1. A patient has a surgical incision on the anterior surface of the right thigh. The
nurse documents this as being located on which surface?
A. The dorsal surface
B. The ventral surface
C. The medial surface
D. The lateral surface
Answer: B. The ventral surface
Rationale: In anatomical position, the ventral (anterior) surface refers to the front
of the body, while the dorsal (posterior) surface refers to the back. The medial
surface is toward the midline, and the lateral surface is away from the midline. Since
the incision is on the anterior (front) surface, "ventral" is the correct anatomical term.
This is a common HESI A2 trap because students often confuse ventral/dorsal with
medial/lateral.
Cognitive Level: Recall
Q2. During a physical examination, the physician palpates a structure that is closer to
the trunk than the wrist. This structure is described as:
A. Distal to the wrist
B. Proximal to the wrist
,C. Inferior to the wrist
D. Superficial to the wrist
Answer: B. Proximal to the wrist
Rationale: Proximal means closer to the point of attachment or the trunk of the
body, while distal means farther from the point of attachment. Since the structure is
closer to the trunk than the wrist, it is proximal to the wrist. Inferior means below,
and superficial means near the surface—neither describes relative position along a
limb. HESI A2 frequently tests proximal/distal vs. superior/inferior in limb anatomy
contexts.
Cognitive Level: Recall
Q3. A CT scan reveals a tumor in the patient's frontal plane. This plane divides the
body into:
A. Superior and inferior portions
B. Anterior and posterior portions
C. Left and right portions
D. Proximal and distal portions
Answer: B. Anterior and posterior portions
Rationale: The frontal (coronal) plane divides the body into anterior (front) and
posterior (back) portions. The transverse (horizontal) plane divides into superior
and inferior (A). The sagittal plane divides into left and right (C). Proximal/distal (D)
are directional terms, not planes. HESI A2 commonly tests plane identification with
clinical imaging scenarios.
Cognitive Level: Recall
Q4. A patient develops inflammation of the serous membrane lining the abdominal
cavity and covering the abdominal organs. This condition is called:
,A. Pericarditis
B. Pleuritis
C. Peritonitis
D. Meningitis
Answer: C. Peritonitis
Rationale: The peritoneum is the serous membrane that lines the abdominal cavity
(parietal layer) and covers the abdominal organs (visceral layer). Inflammation of this
membrane is peritonitis. Pericarditis (A) is inflammation of the pericardium (heart
sac). Pleuritis/pleurisy (B) is inflammation of the pleura (lung lining). Meningitis (D)
is inflammation of the meninges (brain/spinal cord coverings). HESI A2 signature
trap: students confuse the three serous membranes (pericardium = heart, pleura =
lungs, peritoneum = abdominopelvic).
Cognitive Level: Application
Q5. The abdominopelvic region located inferior to the umbilical region and lateral to
the hypogastric region is the:
A. Right iliac (inguinal) region
B. Right lumbar region
C. Right hypochondriac region
D. Epigastric region
Answer: A. Right iliac (inguinal) region
Rationale: The nine abdominopelvic regions are arranged in three rows:
hypochondriac (right/left), epigastric (center) at the top; lumbar (right/left),
umbilical (center) in the middle; and iliac/inguinal (right/left), hypogastric (center)
at the bottom. The region inferior to the umbilical and lateral to the hypogastric is
the right iliac (inguinal) region. The right lumbar (B) is lateral to the umbilical
region, not inferior. The right hypochondriac (C) is superior and lateral. The epigastric
(D) is superior to the umbilical region.
Cognitive Level: Recall
, Q6. A patient receives an injection of epinephrine during anaphylactic shock, which
causes increased heart rate and bronchodilation. This physiological response is an
example of:
A. Negative feedback
B. Positive feedback
C. Neural regulation only
D. Homeostatic equilibrium without feedback
Answer: B. Positive feedback
Rationale: While most homeostatic mechanisms use negative feedback (where the
response counteracts the stimulus), positive feedback amplifies the original stimulus.
In this case, epinephrine release during stress amplifies the "fight-or-flight" response.
Other classic positive feedback examples include oxytocin during childbirth and
blood clotting. The key HESI A2 trap is assuming all stress responses are negative
feedback—recognize that epinephrine's amplifying effect on cardiovascular and
respiratory function represents positive feedback amplification.
Cognitive Level: Analysis
[Section 2: Tissues & Integumentary System (Q7-12)]
Q7. A biopsy of the respiratory tract lining reveals a tissue with cilia and goblet cells
that appears to have multiple layers but all cells contact the basement membrane.
This tissue is:
A. Stratified squamous epithelium
B. Simple columnar epithelium
C. Pseudostratified ciliated columnar epithelium
D. Transitional epithelium