Nokea
Mrs. Stevens asks you how to treat an irritated, erythematous area on her left hand. It would be most important to first determine if she has
- A. eaten any new or different foods recently
- B. developed signs of anaphylaxis
- C. changed her dish detergent recently
- D. been exposed to any strange animals
Correct Answer: C
Rationale: Identifying recent changes in detergents can help determine if the irritation is due to contact dermatitis.
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Contraindications to IUD
- A. Young age
- B. Nulliparity
- C. Ectopic pregnancy
- D. Abnormal uterine bleeding
Correct Answer: C
Rationale: Correct Answer: C - Ectopic pregnancy
Rationale:
1. IUDs do not prevent ectopic pregnancies.
2. IUD insertion increases the risk of ectopic pregnancy.
3. Ectopic pregnancy is a serious complication of IUD use.
Summary of other choices:
A: Young age - Age alone is not a contraindication.
B: Nulliparity - Being nulliparous is not a contraindication.
D: Abnormal uterine bleeding - It is a relative, not absolute contraindication.
Braxton Hicks contractions are a sign
- A. progesterone of
- B. oxytocin
- C. parturition.
- D. childbirth.
Correct Answer: B
Rationale: The correct answer is B: oxytocin. Braxton Hicks contractions are irregular, painless contractions of the uterus that occur throughout pregnancy. Oxytocin is the hormone responsible for stimulating contractions during labor. Therefore, the presence of Braxton Hicks contractions indicates the preparation of the uterus for labor under the influence of oxytocin. Choices A, C, and D are incorrect as they do not directly relate to the physiological mechanism of Braxton Hicks contractions.
What is produced by the ovaries?
- A. Primary oocytes, insulin and estrogen
- B. Secondary oocytes, progesterone and cortisol
- C. Tertiary oocytes, insulin and estrogen
- D. Secondary oocytes, estrogen and progesterone
Correct Answer: D
Rationale: The correct answer is D because the ovaries produce secondary oocytes, which are released during ovulation for fertilization. Additionally, the ovaries produce estrogen and progesterone, which are essential for the menstrual cycle and reproductive health. Choice A is incorrect as primary oocytes are present before birth and insulin is produced by the pancreas. Choice B is incorrect because cortisol is produced by the adrenal glands, not the ovaries. Choice C is incorrect as tertiary oocytes do not exist, and insulin is produced by the pancreas.
The only movable facial bone is _____________.
- A. Mandible
- B. Maxilla
- C. Vomer
- D. Ethmoid
Correct Answer: A
Rationale: The correct answer is A: Mandible. The mandible is the only movable facial bone as it forms the lower jaw and is connected to the skull by the temporomandibular joint, allowing for movements like chewing and speaking. Maxilla, Vomer, and Ethmoid are all facial bones, but they are fixed in place and do not have the same range of motion as the mandible. Maxilla forms the upper jaw, Vomer is a bone in the nasal cavity, and Ethmoid is a bone between the eyes. Therefore, the mandible is the only bone among the options that is capable of movement, making it the correct answer.
Fertilization occurs in the:
- A. uterus
- B. fallopian tubes
- C. labia
- D. vagina
Correct Answer: B
Rationale: The correct answer is B: fallopian tubes. Fertilization occurs in the fallopian tubes where the sperm meets the egg. The fallopian tubes are where the egg is released from the ovary and where fertilization takes place. The uterus (choice A) is where the fertilized egg implants and develops into a fetus. The labia (choice C) are external genital structures and do not play a role in fertilization. The vagina (choice D) is the birth canal and does not directly participate in fertilization. Therefore, the fallopian tubes are the correct choice for the site of fertilization in the female reproductive system.