Nokea
Which classification of urinary tract infection (UTI) is described as infection of the renal parenchyma, renal pelvis, and ureters?
- A. Upper UTI
- B. Lower UTI
- C. Complicated UTI
- D. Uncomplicated UTI
Correct Answer: A
Rationale: The correct answer is A: Upper UTI. This classification describes infection of the renal parenchyma, renal pelvis, and ureters, which are part of the upper urinary tract. In upper UTIs, the infection involves the kidneys (renal parenchyma), renal pelvis, and ureters, whereas lower UTIs typically involve the bladder (cystitis) and urethra. Complicated UTIs involve structural or functional abnormalities of the urinary tract, making treatment more challenging. Uncomplicated UTIs refer to infections in otherwise healthy individuals with normal urinary tracts. Therefore, the description provided aligns with the characteristics of an upper UTI, making it the correct choice.
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When the nurse is performing a testicular examination on a 25-year-old man, which finding is considered normal?
- A. Nontender subcutaneous plaques
- B. Scrotal area that is dry, scaly, and nodular
- C. Testes that feel oval and movable and are slightly sensitive to compression
- D. Single, hard, circumscribed, movaNblUe RmSaIsNsG, lTeBss. CthOaMn 1 cm under the surface of the testes
Correct Answer: C
Rationale: The correct answer is C because testes that feel oval, movable, and slightly sensitive to compression are considered normal during a testicular examination in a 25-year-old man. This finding indicates normal testicular anatomy and function.
Rationale:
1. Oval shape: Normal testes are typically oval in shape.
2. Movable: Normal testes should be able to move slightly within the scrotum.
3. Sensitive to compression: Slight sensitivity to compression is normal due to the presence of nerves and blood vessels in the testes.
Summary of other choices:
A: Nontender subcutaneous plaques - Not normal; could indicate conditions like Peyronie's disease.
B: Scrotal area that is dry, scaly, and nodular - Not normal; could suggest dermatological conditions or infections.
D: Single, hard, circumscribed, movable mass 1 cm under the surface of the testes - Not normal; could be indicative of a test
Due to its potential for severe hepatotoxicity, Nevirapine should NOT be initiated in:
- A. Women with CD4 cell counts >150 cells/mm3 or in men with CD4 cell count >400 cells/mm3
- B. Women with CD4 cell counts >250 cells/mm3 or in men with CD4 cell count >400 cells/mm3
- C. Women with CD4 cell counts >250 cells/mm3 or in men with CD4 cell count >500 cells/mm3
- D. Women with CD4 cell counts >250 cells/mm3 or in men with CD4 cell count >450 cells/mm3
Correct Answer: B
Rationale: The correct answer is B. Nevirapine has a higher risk of severe hepatotoxicity in patients with higher CD4 cell counts. Choice B specifies a lower threshold for CD4 cell counts in women compared to men, which aligns with the caution needed for initiating Nevirapine. Choices A, C, and D have higher CD4 cell count thresholds for both women and men, which would increase the risk of hepatotoxicity if Nevirapine is initiated in those patients. Therefore, Choice B is the most appropriate option to minimize the risk of hepatotoxicity when initiating Nevirapine.
Which of the following semisynthetic penicillins which has an extended spectrum of activity against many gram negative bacilli, is acid resistant but not penicillinase resistant?:
- A. Cloxacillin
- B. Amoxicillin
- C. Phenoxymethyl penicillin
- D. Piperacillin
Correct Answer: B
Rationale: The correct answer is B: Amoxicillin. This penicillin has an extended spectrum of activity against gram-negative bacilli, making it effective against a wider range of bacteria. It is acid-resistant, allowing it to be taken orally, but it is not penicillinase-resistant, meaning it can be easily degraded by beta-lactamase enzymes.
A: Cloxacillin is penicillinase-resistant but does not have an extended spectrum against gram-negative bacilli.
C: Phenoxymethyl penicillin is not acid-resistant and does not have an extended spectrum against gram-negative bacilli.
D: Piperacillin has an extended spectrum of activity but is not acid-resistant and is susceptible to penicillinase.
The mother of a 10-year-old boy asks the nurse to discuss the recognition of puberty. The nurse should reply by saying:
- A. Puberty usually begins around 15 years of ag
- C. The first sign of puberty is an enlargement of the testes.
- D. The penis size does not increase until about 16 years of ag
Correct Answer: C
Rationale: The correct answer is C because the first sign of puberty in boys is typically an enlargement of the testes due to increased testosterone production. This occurs around age 10-14. Choice A is incorrect as puberty usually begins around 10-14 years of age. Choice D is incorrect as penis growth usually starts during puberty, not at 16.
The female gonad is called a(n)
- A. placenta
- B. fallopian tube
- C. fimbria
- D. ovary
Correct Answer: D
Rationale: The correct answer is D: ovary. The female gonad is the primary reproductive organ that produces eggs and secretes hormones. The ovary is specifically responsible for these functions. Placenta (A) is an organ formed during pregnancy, fallopian tube (B) is a part of the female reproductive system that transports eggs, and fimbria (C) are finger-like projections at the end of the fallopian tube. Therefore, the ovary is the only choice that accurately represents the female gonad.