Nokea
After a radical prostatectomy, a client is to be discharged with a retention catheter. He has prescriptions for hydrocodone/acetaminophen 5 mg/500 mg (Vicodin) and sulfamethoxazole-trimethoprim (Septra). Which nursing action included in the client discharge plan is best to delegate to an experienced LPN working with you?
- A. Reinforce the need to check his temperature daily.
- B. Demonstrate how to clean around his urinary meatus.
- C. Document a discharge assessment in the client's chart.
- D. Instruct the client about the need to use stool softeners.
Correct Answer: A
Rationale: Reinforcing health teaching is appropriate to delegate to an LPN.
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Ovulation occurs as a result of a surge of what hormone
- A. inhibin
- B. follicle stimulating hormone
- C. luteinising hormone
- D. progesterone
Correct Answer: C
Rationale: The correct answer is C: luteinising hormone (LH). Ovulation is triggered by a surge of LH from the anterior pituitary gland, which causes the mature follicle to rupture and release the egg. Inhibin (A) inhibits FSH secretion, FSH (B) stimulates follicle development, and progesterone (D) is produced after ovulation to support the uterine lining. Therefore, the surge of LH is the key hormone that directly triggers ovulation.
The menstrual cycle is triggered each month by
- A. the release of blood from the uterus
- B. the buildup of the lining of the uterus
- C. hormones
- D. sexual intercourse
Correct Answer: C
Rationale: The correct answer is C: hormones. Hormones, specifically estrogen and progesterone, control the menstrual cycle by regulating the release of an egg from the ovary, thickening the uterine lining, and preparing the body for pregnancy or menstruation. Hormonal fluctuations throughout the cycle signal the body to shed the uterine lining if fertilization does not occur. Choices A and B are incorrect as they describe events during the menstrual cycle rather than the trigger itself. Choice D, sexual intercourse, does not directly trigger the menstrual cycle but may lead to conception, which is one of the outcomes of the menstrual cycle.
Which factor will inhibit the secretion of estrogens?
- A. FSH
- B. LH
- C. estrogens
- D. progesterone
Correct Answer: C
Rationale: The correct answer is C: estrogens. Estrogens inhibit their own secretion through negative feedback. When estrogen levels rise, they signal the hypothalamus and pituitary gland to decrease the production of gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone (FSH), and luteinizing hormone (LH), ultimately leading to a decrease in estrogen secretion. This self-regulation maintains hormonal balance in the body.
Incorrect choices:
A: FSH - FSH stimulates the production of estrogen by the ovarian follicles, so it does not inhibit estrogen secretion.
B: LH - LH also plays a role in stimulating estrogen production and does not inhibit its secretion.
D: Progesterone - Progesterone is involved in the menstrual cycle and pregnancy but does not directly inhibit estrogen secretion.
The testicle vascularization:
- A. the arterial one is provided by the gonadal artery, a branch off the abdominal aorta;
- B. the venous one is tributary to the internal iliac vein;
- C. the arterial one is provided by the testicular artery, a branch off the internal iliac artery;
- D. the venous one is tributary to the inferior vena cava;
Correct Answer: A
Rationale: The correct answer is A because the arterial vascularization of the testicle is indeed provided by the gonadal artery, which is a branch off the abdominal aorta. This is anatomically accurate as the gonadal artery supplies blood to the testicles.
Choice B is incorrect because the venous drainage of the testicle is to the testicular vein, which drains into the inferior vena cava, not the internal iliac vein as stated in option B.
Choice C is incorrect because the testicular artery, not the internal iliac artery, is responsible for the arterial supply to the testicle.
Choice D is incorrect because the venous drainage of the testicle is not tributary to the inferior vena cava; instead, it drains into the left renal vein.
Which portion of the sperm houses the nucleus and its DNA?
- A. Midpiece
- B. Flagellum
- C. Head
- D. Tail
Correct Answer: C
Rationale: The correct answer is C: Head. The head of the sperm contains the nucleus, which houses the DNA. The nucleus carries the genetic information required for fertilization. The midpiece contains mitochondria for energy production, the flagellum provides motility, and the tail is a part of the flagellum. Therefore, the head is the only part of the sperm that houses the nucleus and DNA, making it the correct answer.