Nokea
The following drug is used for oral treatment of trichomonas vaginitis:
- A. Diiodohydroxyquin
- B. Tinidazole
- C. Clotrimazole
- D. Ketoconazole
Correct Answer: B
Rationale: The correct answer is B, Tinidazole, for oral treatment of trichomonas vaginitis. Tinidazole is a nitroimidazole antibiotic that is effective against trichomonas. It has good oral bioavailability and is commonly used for this infection. Diiodohydroxyquin (A) is not indicated for trichomonas vaginitis. Clotrimazole (C) and Ketoconazole (D) are antifungal agents used for yeast infections, not trichomonas. Tinidazole is the most appropriate choice due to its effectiveness against trichomonas and its oral administration route.
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Which of the following viruses is most susceptible to acyclovir?:
- A. Herpes simplex Type 1 virus
- B. Herpes simplex Type 2 virus
- C. Varicella-zoster virus
- D. Epstein-Barr virus
Correct Answer: A
Rationale: Acyclovir is an antiviral medication that specifically targets viruses that belong to the herpes virus family by inhibiting their replication. Herpes simplex Type 1 virus is most susceptible to acyclovir because it has a thymidine kinase enzyme that activates acyclovir into its active form, which then interferes with viral DNA synthesis. Herpes simplex Type 2 virus also has this enzyme, but it is not as effective against acyclovir compared to Type 1. Varicella-zoster virus and Epstein-Barr virus do not have the thymidine kinase enzyme necessary for acyclovir activation, making them less susceptible to the drug.
The kidney does all of the following when the pH of the extracellular fluid drops, EXCEPT:
- A. excrete more hydrogen ions.
- B. excrete fewer bicarbonate ions.
- C. secrete more hydrogen ions and more bicarbonate ions.
- D. secrete more hydrogen ions and fewer bicarbonate ions.
Correct Answer: C
Rationale: The correct answer is C because when the pH drops, the kidney aims to restore acid-base balance by excreting more hydrogen ions and reabsorbing more bicarbonate ions. Choice A is incorrect because the kidney excretes more hydrogen ions to help raise the pH. Choice B is incorrect because the kidney excretes more bicarbonate ions to help buffer the excess hydrogen ions. Choice D is incorrect because the kidney would not secrete fewer bicarbonate ions when trying to compensate for a drop in pH.
An accessory glandular structure for the male genital organs is the:
- A. Testis. NURSINGT
- B. COM
- C. Scrotum.
- D. Prostat
Correct Answer: D
Rationale: The correct answer is D: Prostate. The prostate is an accessory glandular structure for the male genital organs as it produces and secretes fluid that is a component of semen. The testis (A) is the primary male reproductive organ responsible for producing sperm. The scrotum (C) is the external sac that houses the testes. Choice B does not seem to be a valid option.
A patient has had three pregnancies and two live births. The nurse would record this information as gravida _____, para _____, AB _____
- A. 2; 2; 1
- B. 3; 2; 0
- C. 3; 2; 1
- D. 3; 3; 1
Correct Answer: C
Rationale: The correct answer is C: 3; 2; 1. Gravida refers to the total number of pregnancies, including the current one. As the patient has had three pregnancies, the gravida is 3. Para indicates the number of live births, so since the patient has had two live births, the para is 2. AB represents the number of abortions or miscarriages, which is 1 in this case. Therefore, the correct way to record this patient's obstetric history is gravida 3, para 2, AB 1.
Choice A (2; 2; 1) is incorrect because the patient has had three pregnancies, not two. Choice B (3; 2; 0) is incorrect as it does not account for the abortion/miscarriage that occurred. Choice D (3; 3; 1) is also incorrect because the patient has had two live births, not three.
Desmopressin reduces urine volume in which of the following condition? *
- A. Central (neurogeni
- B. diabetes insipidus
- C. Renal (nephrogeni
- D. diabetes insipidus
Correct Answer: B
Rationale: Desmopressin reduces urine volume in diabetes insipidus by mimicking the action of vasopressin, which is deficient in this condition. It helps to increase water reabsorption in the kidneys, leading to decreased urine output. Central and nephrogenic diabetes insipidus are not directly treated with desmopressin as they involve different underlying mechanisms. Therefore, choice B is the correct answer.