Which of the following best describes the primary characteristic of obsessive-compulsive disorder (OCD)?
Rapid mood swings
Social withdrawal and isolation
Persistent, unwanted thoughts and repetitive behaviors
Hallucinations and delusions
The Correct Answer is C
Choice A reason: Rapid mood swings are characteristic of bipolar disorder, not OCD. OCD involves intrusive thoughts and compulsive behaviors, like Marty’s hand washing, so this is incorrect for OCD’s primary feature.
Choice B reason: Social withdrawal is more typical of depression or schizophrenia, not OCD. Marty’s persistent thoughts and rituals define OCD, making this incorrect for the disorder’s main characteristic.
Choice C reason: OCD is defined by persistent, unwanted thoughts (obsessions) and repetitive behaviors (compulsions), as seen in Marty’s germ fears and hand washing. This is the correct primary characteristic of OCD.
Choice D reason: Hallucinations and delusions are associated with psychotic disorders, not OCD. Marty’s intrusive thoughts and rituals are classic OCD symptoms, so this is incorrect for the primary feature.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: A greenstick fracture is an incomplete break where one side of the bone bends, common in children. A complete fracture fully breaks the bone into separate pieces, making this an incorrect comparison to a complete fracture.
Choice B reason: A bone damaged but in one piece describes an incomplete fracture, like a stress or greenstick fracture. A complete fracture involves a full break with separated fragments, making this an incorrect description of a complete fracture.
Choice C reason: A spiral fracture is a type of complete fracture caused by twisting forces, but not all complete fractures are spiral. Complete fractures broadly involve full bone separation, making this a partially correct but overly specific comparison.
Choice D reason: A complete fracture is when the bone is broken all the way through, separating into two or more fragments. This distinguishes it from incomplete fractures, aligning with the definition, making this the correct explanation.
Correct Answer is C
Explanation
Choice A reason: Insufficient mast cell numbers are not a primary cause of impaired healing in older adults. Mast cells contribute to inflammation, but chronic diseases like diabetes disrupt multiple healing pathways more significantly, making this incorrect.
Choice B reason: Circulatory impairment, such as atherosclerosis, can delay healing by limiting oxygen and nutrient delivery. However, it’s often a consequence of chronic illnesses like diabetes, which broadly affect healing, making this less primary than chronic conditions.
Choice C reason: Underlying chronic illnesses, like diabetes or cardiovascular disease, impair inflammation and wound healing in older adults by disrupting immune function, collagen deposition, and perfusion. These prevalent conditions directly impact healing, making this the correct cause.
Choice D reason: Complement and chemotaxis deficiencies occur in specific immunodeficiencies, not commonly in aging. Chronic illnesses like diabetes more consistently impair healing through systemic effects, making this a less likely primary cause.
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