Nokea
The nurse asks a 31-week gestation client to lie on the examining table during a prenatal examination.
- A. Orthopneic.
- B. Lateral-recumbent.
- C. Sims'.
- D. Semi-Fowler’s.
Correct Answer: B
Rationale: The lateral-recumbent position reduces pressure on the inferior vena cava and is safer for pregnant women compared to other positions.
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The nurse explains that prior to fertilization each cell is reduced from 46 chromosomes to 23 chromosomes. This is referred to as the __________ number.
- A. haploid
- B. DNA
- C. Chromoses
- D. Plastoderm
Correct Answer: A
Rationale: Prior to fertilization, each cell undergoes meiosis, reducing its chromosome count from 46 to 23. This reduction ensures genetic diversity and proper development of the embryo. The term 'haploid' refers to cells containing only one set of chromosomes.
During an ultrasound, two amnions and two placentas are observed. What will be the most likely result of this pregnancy?
- A. Dizygotic twins
- B. Monozygotic twins
- C. Conjoined twins
- D. High birth-weight twins
Correct Answer: A
Rationale: Dizygotic twins always have two amnions and two chorions (placentas).
What item represents a serving of meat?
- A. Deck of cards
- B. Paperback book
- C. Clenched fist
- D. Large tomato
Correct Answer: A
Rationale: A serving of meat is approximately the size of a deck of cards, which equates to about 3 ounces.
A nurse is educating a postpartum person about perineal care. What is the most important teaching point?
- A. encourage the person to use a peri-bottle
- B. educate the person on wound care
- C. instruct the person to perform Kegel exercises
- D. advise the person to avoid using tampons
Correct Answer: A
Rationale: The correct answer is A: encourage the person to use a peri-bottle. This is crucial for maintaining perineal hygiene and preventing infection after childbirth. Using a peri-bottle helps keep the perineal area clean without causing irritation.
Explanation of why the other choices are incorrect:
B: Educating on wound care is important but not the most critical teaching point as keeping the area clean with a peri-bottle is the priority.
C: Kegel exercises are beneficial for pelvic floor muscles but are not directly related to perineal care.
D: Avoiding tampons is important to prevent infection, but using a peri-bottle for hygiene is more immediate and necessary postpartum.
Which is fetal tachycardia likely caused by?
- A. Compression of the umbilical cord
- B. Maternal infection
- C. Compression of the fetal head
- D. Maternal hypertension
Correct Answer: B
Rationale: The correct answer is B: Maternal infection. Maternal infection can lead to fetal tachycardia due to the transfer of inflammatory mediators from the mother to the fetus, causing an increase in the fetal heart rate. This physiological response is a common indicator of fetal distress in utero.
A: Compression of the umbilical cord can lead to fetal distress, but it typically manifests as bradycardia rather than tachycardia.
C: Compression of the fetal head can cause fetal distress, but it is more likely to result in decelerations in heart rate rather than tachycardia.
D: Maternal hypertension can lead to complications during pregnancy, but it is not typically associated with fetal tachycardia.