Block 7 M F Repro Phys Dr Keator W Xpl

14 Questions | By Chachelly | Last updated: May 9, 2019

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As we age our body changes in different ways and with this comes to some diseases and puts some more difficulty in reproduction. In Dr. Keator's class, we got to understand more about Physio reproduction and how to make corrective measures to some of the reproduction problems one may face. Take up this block seven quizzes and see just how much you remember.

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Questions and Answers

1.

A 24 yo man visits his dermatologist. The man is extremely upset because he is suffering from male pattern baldness. None of his older brothers exhibit male pattern baldness. Further, this man was under the assumption that hair growth and baldness were traits inherited through his mother's genes, and he notes his maternal grandfather is 76 yo sporting a full head of thick hair. What hormone is usually elevated in young men experiencing male pattern baldness?

Discuss
- A.
  
  Testosterone
- B.
  
  Dehydroepiandrosterone (DHEA)
- C.
  
  Androstenedione
- D.
  
  Androstenediol
- E.
  
  Dihydrotestosterone
2.

A 26 yo male visits his primary care physician (PCP). The man complains of lethargy and muscle weakness. He then explains to his PCP that he and his wife have been trying to get pregnant for the past 8 months with no success. The man further explains that sometimes he is unable to maintain an erection, and because he can't match his wife's libido he is feeling depressed. His PCP suspects this man may have decreased levels of testosterone. Which of the following hormone assays should the PCP order to determine if this man has low testosterone as a result of an impaired hypothalamic‐pituitary‐testicular axis?

Discuss
- A.
  
  Testesterone and dehydrotestosterone
- B.
  
  Dehydrotestosterone and prolactin
- C.
  
  Testosterone and follicle stimulating hormone
- D.
  
  Luteinizing hormone and follicle stimulating hormone
- E.
  
  Testosterone and luteinizing hormone
3.

A mature spermatazoan typically survives for how many weeks?

Discuss
- A.
  
  1‐2 weeks
- B.
  
  3‐4 weeks
- C.
  
  4‐6 weeks
- D.
  
  6‐10 weeks
- E.
  
  10‐15 weeks
4.

KC is a 54 yo man who visits his urologist for sudden onset of a sexually‐related concern. KC explains that he and his wife enjoy intercourse 3‐4 times each week, but within the past 2 weeks he has been unable to ejaculate yet emotionally feels like he has achieved an orgasm. KC further explains that he has had no difficulty in becoming aroused and achieving a full erection, and has had no difficulties with the actual act of intercourse with his wife. His wife is concerned that these prolonged bouts of intercourse will eventually lead to a cardiac event. The doctor asks if KC is taking any erectile dysfunction drugs (e.g. Viagara), and KC insists that he is not taking any medication. What event in the male sexual response is most likely causing this man's failure to ejaculate during intercourse?

Discuss
- A.
  
  Impaired release of nitric oxide
- B.
  
  Lack of emission
- C.
  
  Reduced blood flow to the corpus cavernosa
- D.
  
  Reduced nerve stimulation on the glans penis
- E.
  
  KC is depressed and failure to ejaculate is a psychological problem
5.

Theca interna cells and granulosa cells work synergistically to produce the ovarian hormones within the follicle. Which of the following adverse physiological responses is the most likely outcome if a woman is treated with an LH receptor antagonist during the early proliferative phase of the menstrual cycle?

Discuss
- A.
  
  Estradiol levels will decline
- B.
  
  Progesterone levels will increase
- C.
  
  Androstenedione levels will increase
- D.
  
  LH levels will decline
- E.
  
  The follicle will undergo atresia and die
6.

The Tanner scale (i.e. Tanner Stage) is used by pediatricians to correlate changes in anatomy with the onset of physiological hormone production during puberty. A 13‐yo girl was taken to her pediatrician for a physical exam. This girl was classified as Tanner Stage 2. What are the common physical and physiological characteristics of a girl in Tanner Stage 2?
- A.
  
  Villus hair, basal growth
- B.
  
  Breast buds, accelerated growth
- C.
  
  Coarse pubic hair, acne
- D.
  
  Adrenarche, axillary hair
- E.
  
  Projection of aerola, menses
7.

The majority of a woman's follicles are lost due to atresia. At what age does the greatest rate of atresia usually occur?
- A.
  
  During fetal development
- B.
  
  During the toddler years
- C.
  
  During peri‐menopause while experiencing irregular cyclicity
- D.
  
  During puberty before regular cyclicity
- E.
  
  During a woman's cyclical years
8.

A woman goes to her doctor for dysfunctional uterine bleeding. This woman has a high BMI, irregular menstrual cycles ranging from 21 to 65 days in length, and experiences heavy menstrual bleeding for 2 to 3 days during each menstrual period. This woman is afflicted with abnormally large amounts of acne, and has an unusually high degree of facial hair. This woman suffers from unusually high levels of which hormone?

Discuss
- A.
  
  Progesterone
- B.
  
  Adolsterone
- C.
  
  Testosterone
- D.
  
  Cortisol
- E.
  
  Estrone
9.

Ovarian follicles respond to the gonadotropic hormones, follicle stimulating hormone (FSH) and luteinizing hormone (LH). Which of the following proteins inhibit the secretion of FSH and LH?

Discuss
- A.
  
  Activin
- B.
  
  Testosterone
- C.
  
  Progesterone
- D.
  
  Human Chorionic Gonadotropin
- E.
  
  Inhibin
10.

The dominant follicle is a highly vascularized structure that, following ovulation, evolves into a highly vascularized corpus luteum . Which of the following growth factors is most likely involved with the process of luteal angiogenesis?

Discuss
- A.
  
  Placental growth factor (PGF)
- B.
  
  Insulin growth factor I (IGF1)
- C.
  
  Insulin growth factor II (IGF2)
- D.
  
  Epidermal growth factor (EGF)
- E.
  
  Vascular endothelial growth factor (VEGF)
11.

Prolactin secretion from the anterior pituitary is under the primary control of which primary hormone?

Discuss
- A.
  
  Neuropeptide Y
- B.
  
  Nitric Oxide
- C.
  
  Dopamine
- D.
  
  Prolactin releasing hormone
- E.
  
  Acetylcholine
12.

The dominant follicle is likely selected during the preceding menstrual cycle, and then grows prolifically during the proliferative phase of the next cycle. You want to administer a receptor antagonist designed to block growth of the dominant follicle. Inhibition of which receptor would most likely result in suppressed growth and development of the dominant follicle?

Discuss
- A.
  
  Gonadotropin releasing hormone receptor
- B.
  
  Luteinizing hormone receptor
- C.
  
  Follicle stimulating hormone receptor
- D.
  
  Estrogen receptor
- E.
  
  Progesterone receptor
13.

Which of the following accurately describe the chronological set of descriptive changes that occur in the endometrium during the menstrual cycle?

Discuss
- A.
  
  Proliferation, secretion, decidualization, menstruation
- B.
  
  Decidualization, menstruation, secretion, proliferation
- C.
  
  Menstruation, secretion, decidualization, proliferation
- D.
  
  Menstruation, decidualization, proliferation, secretion
- E.
  
  Secretion, menstruation, proliferation, decidualization
14.

A 39 yo woman is scared about starting a family this late in life, because she knows the quality of her oocytes is decreasing at a rapid rate. Which biological process explains the primary cause of oocyte depletion over time?

Discuss
- A.
  
  Folliculogenesis
- B.
  
  Ovulation
- C.
  
  Fertilization
- D.
  
  Atresia
- E.
  
  Oogenesis

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