Nokea
Which of the following is a reason for providing early discharge instructions and making arrangements for home care for clients undergoing mastectomy?
- A. The adverse effects of mastectomy are immediate.
- B. The wound of the surgery is highly contagious and the client should exercise isolation precautions immediately after the procedure.
- C. Most clients are not hospitalized long
- D. The suicidal tendencies in women undergoing a mastectomy are high.
Correct Answer: C
Rationale: Short hospital stays are common, necessitating early discharge planning.
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Which of the following decreases the resistance in the arteries leading to the sinuses of the penis?
- A. Stimulation of the sympathetic nerves innervating the arteries
- B. Nitric oxide
- C. Inhibition of activity of the parasympathetic nerves leading to the arteries
- D. All of the above
Correct Answer: B
Rationale: The correct answer is B: Nitric oxide. Nitric oxide is a potent vasodilator that relaxes smooth muscle in the arterial walls, leading to decreased resistance in the arteries. This results in increased blood flow to the sinuses of the penis, contributing to erectile function.
A: Stimulation of the sympathetic nerves innervating the arteries would actually increase resistance by causing vasoconstriction.
C: Inhibition of activity of the parasympathetic nerves leading to the arteries would also increase resistance as parasympathetic stimulation typically leads to vasodilation.
Therefore, the correct answer is B as it directly causes vasodilation and decreases resistance in the arteries leading to the sinuses of the penis, which is essential for erectile function.
Bat shaped bone that form part of the base of the skull is called as
- A. Ethmoid bone
- B. Sphenoid bone
- C. Parietal bone
- D. Occipital bone
Correct Answer: B
Rationale: The correct answer is B: Sphenoid bone. The sphenoid bone is bat-shaped and forms part of the base of the skull. It is located in the middle of the skull, helping to connect the cranial bones. The other choices, A: Ethmoid bone, C: Parietal bone, and D: Occipital bone, do not match the description of a bat-shaped bone at the base of the skull. The ethmoid bone is located between the eyes, the parietal bone forms the top and sides of the skull, and the occipital bone forms the back and base of the skull. Therefore, B is the correct answer based on the specific description given in the question.
Which of the following nursing interventions are advised for clients with prostate cancer to avoid an infection related to the home-care of a Foley catheter?
- A. Boil the leg bag regularly in a solution of hot water and vinegar for 15 minutes during the cleaning.
- B. Disinfect several inches of the catheter with alcohol or any other antiseptic agent before the insertion.
- C. Clean the leg bag by using soap and water and then rinse it with a 1:7 solution of vinegar and water.
- D. Open the connections between the leg bag and the catheter only once in 15 days to reduce the risks of microbial entry.
Correct Answer: C
Rationale: Proper cleaning and maintenance of the catheter equipment are crucial to preventing infections.
Which of the following events does NOT lead to genetic variation?
- A. Independent assortment of chromosomes during meiosis.
- B. Random fertilization between ovum and sperm.
- C. Crossing over between homologous chromosomes during meiosis I.
- D. Crossing over between homologous chromosomes during meiosis II.
Correct Answer: D
Rationale: The correct answer is D. Crossing over between homologous chromosomes during meiosis II does not lead to genetic variation. This is because crossing over occurs during meiosis I, not meiosis II. Meiosis II is when the separated chromatids are pulled apart to form haploid cells. Independent assortment of chromosomes during meiosis (A) and random fertilization between ovum and sperm (B) both contribute to genetic variation by creating unique combinations of alleles. Crossing over between homologous chromosomes during meiosis I (C) also leads to genetic variation by exchanging genetic material between homologous chromosomes.
The female Bartholin glands correspond to the male _____.
- A. prostate
- B. Cowper's
- C. seminal vesicle
- D. glans
Correct Answer: B
Rationale: The female Bartholin glands are homologous to the male Cowper's glands. Both glands secrete fluid to lubricate the reproductive tract during sexual arousal. The prostate gland (choice A) is not the correct answer as it is a different structure that produces seminal fluid. The seminal vesicles (choice C) secrete a significant portion of the seminal fluid but are not the male counterpart to the Bartholin glands. The glans (choice D) refers to the tip of the penis and is not the correct counterpart to the Bartholin glands. Therefore, the correct answer is B, Cowper's glands.