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Finding comfort in connecting with family is a healthy coping mechanism and a normal part of the grieving process, not an indicator of clinical depression.

Loss of appetite can occur with both grief and depression, so it is not specific enough to indicate clinical depression.

Intense sadness is a normal reaction to grief, especially shortly after a loss. It is not necessarily pathological.

HIV infection can cause dementia, but it typically presents with apathy, social withdrawal, and motor dysfunction—not parkinsonian features with fluctuating cognition.

Prion disease (such as Creutzfeldt-Jakob disease) presents with rapid progression of dementia, myoclonus, and ataxia, but not typically with parkinsonian features or fluctuating cognition.

Frontotemporal lobar degeneration primarily affects behavior, personality, and language. Parkinsonian symptoms and fluctuating cognition are not hallmark features.

Prolonged rehabilitation stays can increase exposure to hospital-acquired infections but are not as strongly associated with C. difficile as antibiotic use.

Staying in the ICU can increase the risk for various infections, but it’s the antibiotic use commonly associated with ICU care that elevates C. difficile risk—not the ICU stay itself.

Recent surgery may raise infection risk in general, but it is not as specifically linked to C. difficile as antibiotic therapy is.

Blaming the partner or others may reflect anger or guilt, which are common in the grief process, but not specifically avoidance.

Expressing sadness and disbelief is a normal part of grieving and emotional processing—not an avoidance symptom.

Inability to remember parts of the event can be a dissociative symptom, which may occur with trauma, but it’s not the clearest example of active avoidance.

Ketoacidosis is more common in type 1 diabetes. Type 2 diabetics are less likely to develop it unless under severe metabolic stress and usually don’t need insulin strictly to prevent DKA.

Islet cell antibodies are found in type 1 diabetes, not type 2. Type 2 diabetes is not typically autoimmune.

Minimal or absent insulin secretion describes late-stage type 2 diabetes or type 1 diabetes. Many type 2 diabetics still produce insulin and may not require daily injections, especially early in the disease.

Parkinsonism includes motor symptoms like tremor, rigidity, and bradykinesia, not sudden confusion. The presentation does not clearly indicate parkinsonism.

Alzheimer’s disease does occur in African American clients, often at higher rates and with earlier onset compared to other populations. This is not a reason to question the diagnosis.

Liver function tests may be part of a general workup, but their absence does not specifically disqualify an AD diagnosis

Ingesting food containing a disease-carrying organism refers to foodborne transmission, not airborne transmission.

Direct contact with a pathogen is associated with contact transmission, not airborne.

Being bitten by a tick or insect refers to vector-borne transmission, not airborne transmission.

Delirium due to cardiac medications is a possibility, but the patient’s history of cerebrovascular accident (CVA) makes vascular neurocognitive disorder more likely. Delirium typically presents acutely and is often associated with medical or environmental triggers.

Neurocognitive disorder due to Huntington's disease typically presents with movement disorders (chorea), mood changes, and gradual cognitive decline, rather than sudden memory loss and disorientation.

Alzheimer’s disease typically presents with gradual memory decline and cognitive impairment, but the sudden onset of symptoms in a patient with a history of CVA makes vascular neurocognitive disorder more probable.

Contact transmission is not airborne. Pathogens spread via airborne transmission when particles are inhaled.

Being bitten by a tick or other insect refers to vector-borne transmission, not contact transmission.

Ingesting food containing a disease-carrying organism refers to foodborne transmission, not contact transmission.

Hematological disorders can influence the development of certain cancers (such as leukemia), but it is not a general cause of most cancers.

Endocrine system disorders can sometimes contribute to hormone-driven cancers (e.g., breast or prostate cancer), but it is not the primary cause of all cancers.

Gastrointestinal system disorders may contribute to cancers of the digestive tract (e.g., colon cancer), but the statement does not reflect the broader pathogenesis of cancer, which involves complex genetic and cellular mutations.