Nokea
Which of the following would be examples of foods selected to lower the pH of urine?
- A. Milk
- B. Tea
- C. Apples
- D. Meat
Correct Answer: C
Rationale: The correct answer is C: Apples. Apples are acidic in nature, which can help lower the pH of urine. Consuming acidic foods can make the urine more acidic. Milk is alkaline, so it would raise the pH of urine. Tea can vary in acidity, but generally it is not chosen to lower urine pH. Meat is also not acidic and would not contribute to lowering urine pH. So, apples are the most suitable choice for lowering urine pH among the options provided.
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A geriatric nurse is performing an assessment of body patient whose renal function is progressively declining. systems on an 85-year-old patient. The nurse should be
- A. related change affecting the renal or following situations? urinary system?
- B. When the patients creatinine level drops below 1.2
- C. Increased ability to concentrate urine
- D. Increased bladder capacity
Correct Answer: A
Rationale: The correct answer is A because as renal function declines in an elderly patient, there will be related changes affecting the urinary system. This is important for the nurse to assess to monitor the patient's renal health and intervene as necessary. Choice B is incorrect because a decrease in creatinine level is not a typical indicator of declining renal function. Choice C is incorrect because with declining renal function, the ability to concentrate urine actually decreases. Choice D is incorrect because increased bladder capacity is not a direct result of declining renal function.
A 25-year-old woman is concerned about the possibility of an STI. The nurse asks about her sexual history and recommends that she be tested for sexually transmitted infections (STIs). Which of the following STIs can be detected through a Pap smear?
- A. Chlamydia.
- B. Gonorrhea.
- C. Trichomoniasis.
- D. HPV.
Correct Answer: C
Rationale: The correct answer is C: Trichomoniasis. A Pap smear can detect abnormal changes in the cervix caused by Trichomoniasis, which is a common STI. The test can identify the presence of the parasite Trichomonas vaginalis. The other choices, A: Chlamydia, B: Gonorrhea, and D: HPV, cannot be detected through a Pap smear as they require specific tests such as urine tests, swab tests, or blood tests. Chlamydia and Gonorrhea are bacterial infections, while HPV is a viral infection that can lead to cervical cancer but is not detectable through a Pap smear alone.
Which antibiotic course is inappropriate for clinical scenario?
- A. Acute simple cystitis - trimethoprim for 3 days in otherwise well young women.
- B. Acute uncomplicated pyelonephritis - gentamycin + amoxicillin IV initially followed by 7 days of Augmentin orally.
- C. Pregnancy associated cystitis - nitrofurantoin 5 mg QID for 14 days.
- D. Acute simple cystitis in male patients - Augmentin or trimethoprim for 14 days.
Correct Answer: B
Rationale: The correct answer is B because the antibiotic regimen for acute uncomplicated pyelonephritis should not include gentamycin due to its potential toxicity and nephrotoxicity. The initial use of IV gentamycin is not recommended for uncomplicated pyelonephritis. The combination of gentamycin and amoxicillin is not the standard treatment for this condition. Gentamycin should be reserved for more serious infections. The choice of Augmentin for 7 days orally is also not the standard of care for pyelonephritis. The other choices (A, C, D) are appropriate antibiotic regimens for the corresponding clinical scenarios.
Where are the glomeruli and Bowman’s capsules found?
- A. Renal pelvis
- B. Ureter
- C. Renal cortex
- D. Renal column
Correct Answer: C
Rationale: The glomeruli and Bowman's capsules are found in the renal cortex. The renal cortex is the outer layer of the kidney where the initial stages of urine formation occur. Glomeruli are clusters of capillaries responsible for filtering blood, while Bowman's capsules surround the glomeruli and collect the filtrate. The renal pelvis (A) is the innermost part of the kidney where urine collects before entering the ureter (B). Renal columns (D) are extensions of the renal cortex that project into the renal medulla. Therefore, the correct answer is C as it accurately locates the structures involved in urine filtration.
The drug of choice for treatment and secondary prophylaxis against * cryptococcal meningitis among AIDS patients is:
- A. Amphotericin B
- B. Flucytosine
- C. Fluconazole
- D. Ketoconazole
Correct Answer: C
Rationale: The correct answer is C: Fluconazole. Fluconazole is the drug of choice for treating and preventing *cryptococcal meningitis in AIDS patients due to its excellent CNS penetration and efficacy. It is preferred over Amphotericin B due to its better safety profile and tolerability. Flucytosine is not used as monotherapy and is often combined with other antifungals. Ketoconazole is not recommended for cryptococcal meningitis due to poor CNS penetration.