Nokea
Which assessment technique does a nurse use to assess the inguinal region and femoral area of a male patient as he is standing and straining?
- A. Palpates the femoral artery
- B. Palpates the inguinal lymph nodes
- C. Observes for a bulge through the inguinal region
- D. Observes for discoloration of the inguinal ring
Correct Answer: C
Rationale: The correct answer is C because when a nurse assesses the inguinal region and femoral area of a male patient standing and straining, they are checking for hernias. By observing for a bulge through the inguinal region, the nurse can identify any potential hernias, such as inguinal hernias. Palpating the femoral artery (choice A) is not relevant to assessing hernias. Palpating the inguinal lymph nodes (choice B) is not appropriate for assessing hernias in this scenario. Observing for discoloration of the inguinal ring (choice D) is not a typical sign of hernias. Therefore, choice C is the most appropriate assessment technique in this situation.
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Which part of the uterus opens into the vagina?
- A. Urethra
- B. Cervix
- C. Uterine tubes
- D. Inguinal canal
Correct Answer: B
Rationale: The correct answer is B: Cervix. The cervix is the lower part of the uterus that opens into the vagina. It acts as a barrier between the uterus and vagina, and allows for the passage of menstrual flow, sperm, and a baby during childbirth. The other choices are incorrect because the urethra is a tube that connects the bladder to the outside of the body, the uterine tubes are also known as fallopian tubes that connect the ovaries to the uterus, and the inguinal canal is a passage in the abdominal wall.
The spermatozoon is made up of:
- A. head;
- B. mid piece or neck;
- C. flagellum;
- D. body;
Correct Answer: A
Rationale: The correct answer is A: head. The spermatozoon is composed of three main parts: head, mid piece or neck, and flagellum. The head contains the nucleus which carries genetic material. The mid piece or neck contains mitochondria for energy production. The flagellum is responsible for sperm motility. In this question, the head is the most essential part of the spermatozoon as it contains the genetic material required for fertilization. The other choices (B: mid piece or neck, C: flagellum, D: body) are incorrect as they are important for sperm function but do not carry the genetic material necessary for fertilization.
Within minutes following a normal delivery, flow through the foramen ovale decreases dramatically. What is the cause of this change?
- A. Increased formation of prostaglandin E2 in the endocardium
- B. Increased rate of flow through the pulmonary artery
- C. Increased left atrial pressure
- D. Increased right atrial pressure
Correct Answer: C
Rationale: Step-by-step rationale for the correct answer (C):
1. After delivery, the baby takes its first breath, increasing oxygen levels.
2. This leads to the closure of the foramen ovale to shift blood flow from the right to the left side.
3. Increased left atrial pressure occurs due to increased blood returning from the lungs.
4. This pressure change causes the foramen ovale to close.
Summary of incorrect choices:
A: Increased prostaglandin E2 does not directly affect flow through the foramen ovale.
B: Increased flow through the pulmonary artery is expected after birth, but it does not directly impact the foramen ovale.
D: Increased right atrial pressure would not cause a decrease in flow through the foramen ovale.
Menarche is the
- A. first menses
- B. permanent cessation of menses
- C. first sign of sperm production
- D. time of first ovulation
Correct Answer: A
Rationale: The correct answer is A: first menses. Menarche refers to the onset of a girl's first menstrual period, signifying the beginning of her reproductive years. This event marks the maturation of the reproductive system and the ability to conceive. The other choices are incorrect because menarche does not refer to the permanent cessation of menses (choice B), the first sign of sperm production (choice C), or the time of first ovulation (choice D). Menarche specifically pertains to the first menstrual cycle in females, indicating the initiation of their menstrual and reproductive functions.
The uterine artery vascularizes:
- A. the vagina;
- B. the Fallopian tubes;
- C. the uterus;
- D. the vulva;
Correct Answer: C
Rationale: The correct answer is C: the uterus. The uterine artery vascularizes the uterus, providing the main blood supply to this reproductive organ. This artery plays a crucial role in supplying oxygen and nutrients to the uterus, supporting the growth and development of the endometrium and the fetus during pregnancy.
Choice A, the vagina, is incorrect because the vaginal artery, not the uterine artery, supplies blood to the vagina. Choice B, the Fallopian tubes, is incorrect as they are primarily vascularized by the tubal branches of the ovarian arteries. Choice D, the vulva, is also incorrect as the blood supply to the vulva comes from multiple sources including the internal pudendal artery and the external pudendal artery, not the uterine artery.