Nokea
Ectopic pregnancy is:
- A. When a fertilised egg implants itself outside of the womb
- B. Another term for a 'healthy' pregnancy
- C. A myth, there is no such thing
Correct Answer: A
Rationale: An ectopic pregnancy occurs when a fertilised egg implants outside the uterine cavity, most commonly in the fallopian tube.
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To reassure and educate pregnant patients about changes in their breasts, nurses should be aware that:
- A. the visibility of blood vessels that form an intertwining blue network indicates full function of Montgomery's tubercles and possibly infection of the tubercles.
- B. the mammary glands do not develop until 2 weeks before labor.
- C. lactation is inhibited until the estrogen level declines after birth.
- D. colostrum is the yellowish oily substance used to lubricate the nipples for breastfeeding.
Correct Answer: C
Rationale: Lactation is inhibited until after birth. The visible blue network of blood vessels is a normal outgrowth of a richer blood supply.
Which time-based description of a stage of development in pregnancy is accurate?
- A. Viability—22 to 37 weeks since the last menstrual period (LMP) (assuming a fetal weight >500 g)
- B. Full Term—Pregnancy from the beginning of week 39 of gestation to the end of week 40
- C. Preterm—Pregnancy from 20 to 28 weeks
- D. Postdate—Pregnancy that extends beyond 38 weeks
Correct Answer: B
Rationale: Full term is defined as pregnancy from the beginning of week 39 to the end of week 40. Viability occurs at 22-24 weeks, preterm is before 37 weeks, and postdate is beyond 42 weeks.
Which comment made by a patient in her first trimester indicates ambivalent feelings?
- A. "My body is changing so quickly."
- B. "I haven't felt well since this pregnancy began."
- C. "I'm concerned about the amount of weight I've gaine
- D. "I wanted to become pregnant, but I'm scared about being a mother."
Correct Answer: D
Rationale: The correct answer is D because the patient expresses conflicting emotions of wanting to become pregnant but feeling scared about being a mother, indicating ambivalence. Choice A indicates awareness of physical changes, not necessarily ambivalence. Choice B reflects physical discomfort, not emotional conflict. Choice C shows concern about weight gain, not conflicting feelings. Overall, D is the only option reflecting mixed emotions about pregnancy and motherhood.
During pregnancy, oxygen and nutrients diffuse across the from the mother to the foetus:
- A. Placenta
- B. Kidneys
- C. Lungs
- D. Cervix
Correct Answer: A
Rationale: The placenta facilitates the exchange of oxygen, nutrients, and waste products between the mother and fetus.
The decrease in systemic vascular resistance aids in decreasing which physiological measure?
- A. Cardiac output
- B. Pulse rate
- C. Renal blood flow
- D. Blood pressure
Correct Answer: D
Rationale: The decrease in systemic vascular resistance leads to a decrease in blood pressure for the following reasons: 1. Vasodilation reduces resistance to blood flow in the blood vessels, lowering overall pressure. 2. As resistance decreases, the heart doesn't have to work as hard to pump blood, resulting in a decrease in blood pressure. 3. Lower resistance allows blood to flow more easily, reducing pressure on the arterial walls. The other choices are incorrect because: A: Decreasing systemic vascular resistance would typically increase cardiac output, not decrease it. B: Pulse rate is primarily affected by factors like sympathetic nervous system activity and not directly by changes in vascular resistance. C: Renal blood flow is more influenced by factors like renal artery pressure and hormonal regulation, rather than changes in systemic vascular resistance.