Nokea
Which of the following is a surgical procedure in which a pendulous breast is lifted and fixed to the chest wall?
- A. Mastostomy
- B. Mastectomy
- C. Mastopexy
- D. Mesopexy
Correct Answer: C
Rationale: The correct answer is C: Mastopexy. This surgical procedure involves lifting and fixing a pendulous breast to the chest wall to achieve a more youthful and firmer appearance. It does not involve removal of breast tissue like in mastectomy (B) or creation of a new breast mound like in mastostomy (A). Mesopexy (D) is not a recognized surgical procedure for breast lifting.
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The pituitary LH controls:
- A. ovulation;
- B. the progesterone secretion
- C. the activity of the corpus albicans;
- D. follicular maturation;
Correct Answer: A
Rationale: The correct answer is A: ovulation. Pituitary LH (Luteinizing Hormone) is responsible for triggering ovulation in the menstrual cycle. LH surge leads to the release of the mature egg from the ovarian follicle. The other choices are incorrect because: B: progesterone secretion is mainly regulated by the hormone progesterone itself and not directly by pituitary LH; C: the corpus albicans is a remnant of the ruptured ovarian follicle and is not directly controlled by LH; D: follicular maturation is primarily regulated by FSH (Follicle-Stimulating Hormone) rather than LH.
Parturition occurs the fetus is the ________. approximately how many days after a
- A. amnion woman's last menstrual cycle ______.
- B. placenta
- C. 180 days
- D. chorionic villi
Correct Answer: D
Rationale: The correct answer is D: chorionic villi. Parturition occurs when the fetus releases cortisol, which stimulates the production of prostaglandins leading to uterine contractions. Chorionic villi are the fetal tissue that produces cortisol, making it the key factor triggering labor.
A: Amnion is the innermost membrane around the fetus, not directly involved in labor initiation.
B: Placenta plays a role in nutrient exchange but not in triggering labor.
C: 180 days is a set time frame and does not relate to the process of parturition.
Which cells in the seminiferous tubules progress through the first meiotic division?
- A. Sertoli cells
- B. Spermatogonia
- C. Spermatid
- D. primary spermatocyte
Correct Answer: D
Rationale: The correct answer is D: primary spermatocyte. Primary spermatocytes are the cells in the seminiferous tubules that progress through the first meiotic division. During this division, primary spermatocytes undergo DNA replication and then divide into two secondary spermatocytes. These secondary spermatocytes will then undergo the second meiotic division to produce haploid spermatids.
Explanation for why other choices are incorrect:
A: Sertoli cells are supporting cells in the seminiferous tubules but do not undergo meiotic divisions.
B: Spermatogonia are the undifferentiated germ cells that give rise to primary spermatocytes but do not progress through meiotic divisions.
C: Spermatids are the haploid cells produced after the two meiotic divisions, so they do not progress through the first meiotic division.
In summary, primary spermatocytes are the cells that go through the first meiotic division in the seminiferous tubules
The shedding and bleeding of the decidua during menses is directly caused by low levels of _____.
- A. FSH
- B. LH
- C. sex steroids
- D. GnRH
Correct Answer: C
Rationale: The shedding and bleeding of the decidua during menses is directly caused by low levels of sex steroids. Sex steroids, specifically estrogen and progesterone, play a crucial role in maintaining the uterine lining. When levels of these hormones drop, it triggers the shedding of the decidua, leading to menstrual bleeding. FSH and LH are pituitary hormones that regulate the menstrual cycle but do not directly cause the shedding of the decidua. GnRH is a hypothalamic hormone that stimulates the release of FSH and LH.
A male client, living in an underdeveloped country, is diagnosed with chlamydia, acquired through an ophthalmic infection by autoinoculation. Which of the following are the symptoms experienced by the client?
- A. Testicular pain
- B. Anal infection
- C. Granulation of the cornea and blindness
- D. Sore throat with an infected pharynx
Correct Answer: C
Rationale: Chlamydial eye infections can lead to serious complications like granulation and blindness if untreated.