# Match each clinical presentation to the diabetic emergency or complication it most strongly supports.

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=568366&lang=en  
> language: en  
> subject: Medical Emergencies  
> category: PA

## Question

Match each clinical presentation to the diabetic emergency or complication it most strongly supports.

**1.** Glucose 41 mg/dL, diaphoresis, tremor, confusion

Select a category
DKA
HHS
Severe hypoglycemia
Peripheral neuropathy

**2.** Glucose 32 mg/dL, loss of consciousness

Select a category
DKA
HHS
Severe hypoglycemia
Peripheral neuropathy

**3.** Glucose 580 mg/dL, pH 7.18, Kussmaul respirations

Select a category
DKA
HHS
Severe hypoglycemia
Peripheral neuropathy

**4.** Positive serum ketones, anion gap 22, bicarbonate 13 mEq/L

Select a category
DKA
HHS
Severe hypoglycemia
Peripheral neuropathy

**5.** Glucose 842 mg/dL, severe dehydration, serum osmolality 360 mOsm/kg

Select a category
DKA
HHS
Severe hypoglycemia
Peripheral neuropathy

**6.** Glucose 920 mg/dL, lethargy, no significant ketonemia or acidosis

Select a category
DKA
HHS
Severe hypoglycemia
Peripheral neuropathy

**7.** Nighttime burning pain, decreased vibration sense, insensate to monofilament

Select a category
DKA
HHS
Severe hypoglycemia
Peripheral neuropathy

## Explanation

Severe hypoglycemia causes adrenergic and neuroglycopenic findings and may make oral treatment unsafe. DKA is defined by hyperglycemia or diabetes, ketonemia, and metabolic acidosis and commonly produces Kussmaul respirations. HHS produces profound hyperglycemia, hyperosmolality, dehydration, and neurologic change with little or no significant ketoacidosis. Peripheral neuropathy causes burning, numbness, loss of protective sensation, and painless injury risk.

## In-depth explanation

Quick answer
Each presentation is matched to the category that best fits the combined cues: severe hypoglycemia for low glucose with neuroglycopenic symptoms, DKA for ketoacidosis with acidosis, HHS for extreme hyperglycemia with dehydration but no significant ketosis, and peripheral neuropathy for sensory loss and painless injury.

Why this is correct
The correct matches reflect the pathophysiologic hallmarks of each condition. Severe hypoglycemia is defined by low blood glucose with autonomic and neuroglycopenic symptoms. DKA requires ketonemia and metabolic acidosis. HHS requires severe hyperglycemia and hyperosmolality without significant ketoacidosis. Peripheral neuropathy is characterized by sensory loss and painless injury.

Clinical picture
In practice, nurses must synthesize multiple cues because single values can overlap. For example, a patient with glucose 600 mg/dL could have DKA or HHS; the presence of ketones and acidosis distinguishes them. Similarly, hypoglycemia can present with confusion or coma, requiring prompt recognition.

Memory hook
Think of the triad: hypoglycemia = low glucose + neuro symptoms; DKA = ketones + acidosis; HHS = extreme glucose + dehydration without ketones; neuropathy = sensory loss + painless injury.

NCLEX decision rule
Match the entire cue cluster to the defining features of each condition, not just a single laboratory value.

Why the alternatives are wrong
Incorrect matches would ignore key cues, such as placing a presentation with ketones and acidosis into HHS, or placing a presentation with normal glucose into severe hypoglycemia.

Sources
1NCSBN 2026 NCLEX-RN Test Plan
22024 Hyperglycemic Crises Consensus Report
3ADA Standards of Care: Retinopathy, Neuropathy, and Foot Care

## Clinical scenario

The nurse is reviewing four adults with diabetes who present with overlapping symptoms. Use the entire cue cluster rather than a single laboratory value. Initial stabilization and prescribed treatment follow the classification.

## Key concepts

- **Neuroglycopenic** — Symptoms resulting from insufficient glucose supply to the brain, such as confusion, seizures, or coma.
- **Ketonemia** — Presence of ketone bodies in the blood, indicating fat breakdown due to insulin deficiency.
- **Hyperosmolality** — Increased concentration of solutes in the blood, leading to osmotic diuresis and dehydration.

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