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The ________ is the endometrial layer that remains essentially unchanged during the menstrual
- A. myometrium
- B. functional layer
- C. corpus albicans
- D. basal layer
Correct Answer: D
Rationale: The correct answer is D: basal layer. The basal layer is the endometrial layer that remains essentially unchanged during the menstrual cycle. This layer serves as the foundation for the regrowth of the functional layer after menstruation. The myometrium (A) is the smooth muscle layer of the uterus, not the endometrial layer. The functional layer (B) is shed during menstruation and regenerates each cycle. The corpus albicans (C) is a remnant of the corpus luteum in the ovary, not related to the endometrium. Therefore, the basal layer is the correct answer as it is the only layer that remains unchanged during the menstrual cycle.
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A patient with psychologic disorder is being treated with a drug. Few months he is worried that he is constantly thirsty and urinates copiously frequently throughout the day and night. Which of the following drugs most likely cause inappropriate secretion of ADH?
- A. Diazepam
- B. Lithium
- C. Haloperidol
- D. Phenytoin
Correct Answer: B
Rationale: The correct answer is B: Lithium. Lithium is known to cause nephrogenic diabetes insipidus, leading to inappropriate secretion of ADH. This results in excessive thirst and copious urination. Diazepam (A) does not affect ADH secretion. Haloperidol (C) and Phenytoin (D) are not associated with ADH dysregulation.
While caring for a 77-year-old woman who has a urinary catheter, the nurse monitors the patient for the development of a UTI. What clinical manifestations is the patient most likely to experience?
- A. Cloudy urine and fever
- B. Urethral burning and bloody urine
- C. Vague abdominal discomfort and disorientation
- D. Suprapubic pain and slight decline in body temperature
Correct Answer: A
Rationale: The correct answer is A: Cloudy urine and fever. UTI in a patient with a urinary catheter may present with cloudy urine due to pus or bacteria, and fever due to infection. Urethral burning and bloody urine (B) are more indicative of urethritis or bladder trauma. Vague abdominal discomfort and disorientation (C) are not specific to UTI. Suprapubic pain and slight decline in body temperature (D) are less likely with UTI.
The nurse caring for a patient with suspected renal has been referred by her primary physician for further dysfunction calculates that the patients weight has evaluation. The nurse should anticipate the use of what increased by 5 pounds in the past 24 hours. The nurse initial diagnostic test?
- A. Ultrasound
- B. X-ray
- C. 1,300 mL of fluid in 24 hours
- D. Computed tomography (CT)
Correct Answer: A
Rationale: The correct answer is A: Ultrasound. This is the appropriate initial diagnostic test for suspected renal dysfunction due to its non-invasive nature and ability to visualize the kidneys and urinary system. Ultrasound can detect abnormalities such as kidney stones or obstruction. X-ray (B) does not provide detailed imaging of the kidneys. Option C refers to fluid intake, which is not a diagnostic test. Computed tomography (CT) scan (D) involves radiation exposure and is usually reserved for more advanced imaging after initial ultrasound. Ultrasound is the most suitable choice for initial evaluation of renal dysfunction.
A function of the kidney is to
- A. produce angiotensin
- B. remove microorganisms from the blood
- C. remove aged blood from the blood
- D. regulate blood ionic composition
Correct Answer: D
Rationale: The correct answer is D: regulate blood ionic composition. The kidneys help maintain the body's electrolyte balance by regulating the levels of ions such as sodium, potassium, and calcium in the blood. This is crucial for proper nerve and muscle function, pH balance, and overall homeostasis.
Explanation for why the other choices are incorrect:
A: The production of angiotensin is primarily done by the liver and lungs, not the kidneys.
B: While the kidneys help filter out waste and toxins, they do not specifically target microorganisms in the blood.
C: Removing aged blood from the blood is not a function of the kidneys; this task is mainly carried out by the spleen and liver.
In summary, the kidney's main function is to regulate blood ionic composition to maintain overall bodily functions, making choice D the correct answer.
Which antibiotics should be avoided in patients of liver disease?:
- A. Tetracycline
- B. Cotrimoxazole
- C. Cephalexin
- D. Ethanbutol
Correct Answer: A
Rationale: The correct answer is A: Tetracycline. Tetracycline should be avoided in patients with liver disease due to its potential hepatotoxicity. Tetracycline is primarily metabolized in the liver and can exacerbate liver damage in patients with pre-existing liver conditions. Cotrimoxazole, Cephalexin, and Ethambutol are generally considered safe for use in patients with liver disease as they are not known to cause significant liver toxicity.