Nokea
which of the following is an EXTRANEOUS variable of the study?
- A. Age of patients .
- B. Length of stay 4-5 days.
- C. Absence of complications.
- D. Date of admission January-March.
Correct Answer: B
Rationale: The extraneous variable in a study is a variable that is not the main focus of the study but could potentially impact the results. In this case, the length of stay is an extraneous variable because it is not directly related to the research question or objective of the study. The study is likely focused on factors such as patient age, complications, or date of admission, making the length of stay an irrelevant variable in this context.
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Which of the following is a common cause of secondary osteoporosis?
- A. Rheumatoid arthritis
- B. Paget's disease of bone
- C. Osteogenesis imperfecta
- D. Marfan syndrome
Correct Answer: A
Rationale: Rheumatoid arthritis is a common cause of secondary osteoporosis. Chronic inflammation in rheumatoid arthritis can lead to bone loss due to increased osteoclast activity and decreased bone formation. Patients with rheumatoid arthritis are at an increased risk for developing osteoporosis, resulting in decreased bone density and increased fracture risk. Monitoring and managing bone health is an important aspect of care for individuals with rheumatoid arthritis to help prevent osteoporosis-related complications.
Nurse Rona and her team has been utilizing the EEPIDEMIOLOGIC TRIAD model - identifying causative factors of diseases. Which of the following is not relevant this, model?
- A. External agent
- B. Treatment Regimen
- C. Susceptible host
- D. Environment
Correct Answer: B
Rationale: The Epidemiologic Triad model focuses on identifying the causative factors of diseases, particularly infectious diseases. The three components of the triad are the external agent, the susceptible host, and the environment. These factors interact to result in the occurrence of disease. Treatment Regimen, on the other hand, is not one of the causative factors but rather a response to manage and treat the disease once it has occurred. While treatment is essential, it is not part of the factors that contribute to the initial development of the disease within the Epidemiologic Triad model.
A cognitive assessment of Belle indicated that according to Piaget's theory she was functioning at the concrete operational stage. Which of these behaviors would the nurse observe in Belle?
- A. Thinks logically and sees possibilities.
- B. Understands only her own viewpoint.
- C. Feels her own reasoning should agree with the reasoning of others.
- D. Makes and tests hypothesis
Correct Answer: A
Rationale: At the concrete operational stage according to Piaget's theory, children typically demonstrate logical thinking abilities and are able to understand and work with concrete objects and events. They can also grasp concepts such as conservation and classification. These children are able to think logically about concrete events but may still struggle with abstract and hypothetical situations. Therefore, Belle, functioning at the concrete operational stage, would exhibit behaviors such as thinking logically and being able to see possibilities, as described in option A.
A patient presents with watery diarrhea, abdominal cramps, and nausea after consuming contaminated water from a stream during a camping trip. Laboratory tests reveal oocysts in the stool sample. Which of the following parasites is most likely responsible for this infection?
- A. Giardia lamblia
- B. Entamoeba histolytica
- C. Cryptosporidium parvum
- D. Cyclospora cayetanensis
Correct Answer: C
Rationale: The patient is likely infected with Cryptosporidium parvum based on the symptoms of watery diarrhea, abdominal cramps, and nausea after consuming contaminated water. Cryptosporidium is a protozoan parasite that can be transmitted through contaminated water sources, such as streams. Laboratory tests revealing oocysts in the stool sample further support the diagnosis of Cryptosporidium infection, as these oocysts are characteristic of this parasite. Giardia lamblia is another common protozoan parasite that can cause similar symptoms but is usually associated with more foul-smelling, greasy diarrhea. Entamoeba histolytica causes amoebic dysentery, which presents with bloody diarrhea and abdominal pain. Cyclospora cayetanensis also causes watery diarrhea, but it is usually associated with foodborne outbreaks rather than waterborne transmission.
Which of the following is a common complication associated with prostatectomy for the treatment of benign prostatic hyperplasia (BPH)?
- A. Erectile dysfunction
- B. Urinary incontinence
- C. Retrograde ejaculation
- D. Urethral stricture
Correct Answer: B
Rationale: Urinary incontinence is a common complication associated with prostatectomy for the treatment of benign prostatic hyperplasia (BPH). Prostate surgery, such as a prostatectomy, can disrupt the sphincter muscle that controls the flow of urine from the bladder, leading to temporary or even long-term urinary incontinence in some patients. This usually improves over time with pelvic floor exercises and other treatment options, but it is an important consideration when discussing the potential risks and benefits of prostate surgery with patients. While erectile dysfunction and retrograde ejaculation can also be potential side effects of prostate surgery, urinary incontinence is specifically associated with issues related to bladder control following the procedure. Urethral stricture, although it can occur post prostate surgery, is less common compared to urinary incontinence.