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A patient has been advised by the psychiatrist that he needs inpatient hospitalization. The patient agrees, signs the admission forms, and agrees to receive treatment. What type of admission is this?
- A. Formal
- B. Informal
- C. Voluntary
- D. Involuntary
Correct Answer: C
Rationale: This type of admission is considered voluntary because the patient willingly agrees to be admitted to the hospital for treatment. The patient has signed the admission forms and consented to receive the necessary care, indicating a willingness to participate in their treatment plan. In a voluntary admission, the individual retains the right to make decisions about their treatment and can choose to leave the hospital against medical advice if they wish to do so.
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A patient presents with a painful, vesicular rash in a dermatomal distribution on the left thorax. The patient reports a history of chickenpox during childhood. Which of the following conditions is most likely responsible for this presentation?
- A. Herpes simplex virus infection
- B. Herpes zoster (shingles)
- C. Varicella (chickenpox)
- D. Impetigo
Correct Answer: B
Rationale: The presentation of a painful, vesicular rash in a dermatomal distribution on the left thorax, specifically in a patient with a history of chickenpox, is most suggestive of herpes zoster, commonly known as shingles. Herpes zoster is caused by the reactivation of the varicella-zoster virus, the same virus responsible for chickenpox. After a person recovers from chickenpox, the virus remains dormant in the nerve cells and can reactivate years later to cause shingles. The rash in herpes zoster typically progresses through different stages, including red patches leading to fluid-filled blisters. The characteristic rash typically appears unilaterally and is usually preceded by pain, burning, or tingling in the affected area. Unlike herpes simplex virus infection, which can cause similar lesions but is not typically localized to a specific dermatome, herpes zoster presents as a distinct unilateral cluster of vesicles along
A nurse is preparing to assist with a magnetic resonance imaging (MRI) procedure for a patient. What action should the nurse prioritize to ensure procedural safety?
- A. Screening the patient for contraindications to MRI, such as metal implants or claustrophobia
- B. Administering intravenous sedation to the patient before the procedure
- C. Placing the patient in a supine position with arms at their sides during the MRI scan
- D. Allowing the patient to wear metallic jewelry or accessories during the procedure
Correct Answer: A
Rationale: The nurse should prioritize screening the patient for contraindications to MRI, such as metal implants or claustrophobia, to ensure procedural safety. Metallic objects can be hazardous in an MRI environment as they can be attracted to the magnet, potentially causing harm to the patient or staff. Claustrophobia can also be a significant issue for patients undergoing an MRI scan, and identifying this beforehand allows for appropriate measures to be taken to address the patient's anxiety or discomfort. Prioritizing this screening step helps ensure the safety and well-being of the patient during the MRI procedure.
Which of the following mechanisms is responsible for the generation of diversity in the antigen-binding sites of immunoglobulins?
- A. Somatic hypermutation
- B. Gene rearrangement
- C. Isotype switching
- D. Clonal expansion
Correct Answer: A
Rationale: Somatic hypermutation is the mechanism responsible for generating diversity in the antigen-binding sites of immunoglobulins. During somatic hypermutation, point mutations are introduced into the variable regions of immunoglobulin genes in B cells. These mutations occur randomly and lead to a wide range of amino acid changes in the antigen-binding sites of antibodies. As a result, a diverse repertoire of antibodies with varying specificities for different antigens is created. Gene rearrangement and isotype switching are other mechanisms that contribute to antibody diversity but do not specifically target the antigen-binding sites. Clonal expansion, on the other hand, refers to the proliferation of specific B cell clones after activation by antigens, which amplifies the immune response but does not directly impact the diversity of antigen-binding sites.
The mother of the family asked Nurse Emma how to apply the anti -scabies lotion. The nurse should teach the family to apply anti -scabies lotion to _________.
- A. all skin areas
- B. open lesions
- C. affected skin
- D. Reddened areas
Correct Answer: A
Rationale: The correct way to apply anti-scabies lotion is to cover all skin areas, not just the affected areas or red areas. Scabies is a contagious skin condition caused by mites burrowing into the skin, so applying the lotion to all skin areas helps to eliminate the mites and prevent reinfestation. It is important to follow the instructions provided by the healthcare professional for proper application and treatment of scabies.
During a patient assessment, the nurse observes signs of distress and discomfort. What action should the nurse take to address the patient's needs?
- A. Ignoring the patient's distress to avoid making them uncomfortable
- B. Documenting the findings and informing the healthcare provider later
- C. Offering emotional support and actively listening to the patient's concerns
- D. Administering pain medication without further assessment
Correct Answer: C
Rationale: The correct action for the nurse to take when observing signs of distress and discomfort in a patient during assessment is to offer emotional support and actively listen to the patient's concerns. Ignoring the patient's distress may lead to worsening of the patient's condition and can be detrimental to the patient's well-being. Documenting the findings and informing the healthcare provider later is important but should not be the immediate response when a patient is in distress. Administering pain medication without further assessment is also not appropriate as the nurse needs to understand the underlying cause of the distress before providing appropriate interventions. Offering emotional support and actively listening to the patient's concerns can help the nurse understand the patient's needs, provide comfort, and potentially address the root cause of the distress.