Block 7 Reproduction Creighton Univ W Xpl Pt 1

20 Questions | By Chachelly | Updated: Mar 20, 2022 | Attempts: 126

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From creighton university school of medicine on male femal repro

Questions and Answers

1.

The optimal temperature (in degrees Fahrenheit) for producing sperm is:
- A.
  
  93.0
- B.
  
  94.6
- C.
  
  96.0
- D.
  
  98.6
- E.
  
  99.0
2.

A developing sperm is in the rete testis. If the sperm is on the way out of the testis, where did it just come from, and where will it go next?
- A.
  
  Vas deferens, epididymis
- B.
  
  Epididymis, seminiferous tubule
- C.
  
  Efferent ductules, epididymis
- D.
  
  Efferent ductules, vas deferens
- E.
  
  Seminiferous tubule, efferent ductules
3.

Luteinizing hormone is inhibited primarily by a product of ________, and follicle stimulating hormone is inhibited primarily by a product of _________.
- A.
  
  Sertoli cells, Leydig cells
- B.
  
  Sertoli cells, Sertoli cells
- C.
  
  Leydig cells, Sertoli cells
- D.
  
  Leydig cells, Leydig cells
4.

Testosterone is not involved in which of the following?
- A.
  
  Initiation of spermatogenesis
- B.
  
  Inhibition of GnRH
- C.
  
  Inhibition of LH
- D.
  
  Bone Growth
- E.
  
  Erythropoietin secretion
- F.
  
  Actually, all of the above are related to testosterone
5.

Epispadias differ from hypospadius in that
- A.
  
  Epispadias do not involve an abnormal location of urethral opening
- B.
  
  Epispadias are always found with extrophy of the bladder
- C.
  
  Epispadias occur earlier in development and are unrelated to the cause of hypospadius
- D.
  
  Epispadias are derived from similar developmental abnormalities, and only differ in the location of the urethral opening
6.

The earliest that the sex of a fetus can be determined by ultrasound is approximately:
- A.
  
  8th week
- B.
  
  12th week
- C.
  
  16th week
- D.
  
  20th week
- E.
  
  24th week
7.

Which of the following conditions would most be most likely to result in infertility?
- A.
  
  Uterus bicornis
- B.
  
  Uterus bicornis unicollis
- C.
  
  Uterus arcuatus
- D.
  
  Atresia of the cervix
- E.
  
  Uterus didelphys with double vagina
8.

The first polar body:
- A.
  
  Is produced only in oogenesis after meiosis I
- B.
  
  Is produced only in oogenesis after meiosis II
- C.
  
  Is produced both in spermatogenesis and oogenesis after meiosis I
- D.
  
  Is produced both in spermatogenesis and oogenesis after meiosis II
- E.
  
  Is produced only in spermatogenesis after meiosis I
- F.
  
  Is produced only in spermatogenesis after meiosis II
9.

A deficiency in 5-alpha reductase would most likely result in:
- A.
  
  True hermaphrodite
- B.
  
  Female pseudo-hermaphrodite from increased DHT levels
- C.
  
  A male pseudo-hermaphrodite from decreased DHT levels
- D.
  
  Miscarriage
- E.
  
  Extrophy of the bladder
10.

A patient complains of painful erections. He admits to an upward bend in the shaft of his penis. The most likely cause for this abnormality is:
- A.
  
  Condylmona acuminatum (genital warts)
- B.
  
  Excessive fibrosis following trauma
- C.
  
  Neoplasm
- D.
  
  Incomplete closure of the urethral folds (hypospadius)
- E.
  
  Chronic syphilis
11.

Which of the following is a common feature of benign prostatic hypertrophy and prostate cancer?
- A.
  
  Symmetrical enlargement
- B.
  
  Elastic consistency
- C.
  
  Discrete palpable nodule
- D.
  
  Indistinguishable median sulcus
12.

The location and size (from side to side) of a normal prostate observed by a digital rectal exam is:
- A.
  
  Anterior to rectal wall, 2.5 cm
- B.
  
  Anterior to rectal wall, 5 cm
- C.
  
  Anterior to rectal wall, 7cm
- D.
  
  Posterior to rectal wall, 2.5 cm
- E.
  
  Posterior to rectal wall, 5 cm
13.

HPV, or Human Papilloma Virus, is a cause of genital warts. Which of the following types of HPV is most likely to cause benign disease? Which are associated with malignant disease? (There are two best answers to each question)
- A.
  
  HPV-5
- B.
  
  HPV- 6
- C.
  
  HPV-10
- D.
  
  HPV-11
- E.
  
  HPV- 12
- F.
  
  HPV-16
- G.
  
  HPV-18
- H.
  
  HPV-19
14.

A 55 year old patient presents with numerous wart-like lesions on his penis that have not healed over the past year. Some areas are bleeding and appear infected. Biopsy reveals hyperchromic, dysplastic epithelial cells that have broken through the basement membrane. After treatment of the primary lesions, what is the next appropriate step?
- A.
  
  Yearly follow-up to examine for recurrence
- B.
  
  Inguinal and iliac lymph node biopsy
- C.
  
  CT to look for local and distant metastasis
- D.
  
  Advise patient to improve hygiene and to be circumcised
15.

A baby boy with microcephaly and rocker-bottom feet is born 4 weeks early. He is breathing on his own, but has difficulty eating. Additionally, his left testicle remains in the inguinal canal. Which of the following is best accounts for his condition?
- A.
  
  Trisomy 13
- B.
  
  5-alpha reductase deficiency
- C.
  
  Androgen insensitivity
- D.
  
  All of the baby boy's features are common in a premature baby
16.

Circumcision does not significantly reduce the likelihood of which of the following
- A.
  
  Squamous cell carcinoma
- B.
  
  HIV
- C.
  
  Urinary tract infection
- D.
  
  Benign prostatic hyperplasia (BPH)
- E.
  
  Actually, all of the above have reduced likelihood
17.

Which of the following experimental approaches would be most likely to prevent benign prostatic hyperplasia (BPH)?
- A.
  
  5-alpha reductase inhibitor targeted to stromal cells of the prostate
- B.
  
  5-alpha reductase inhibitor targeted to epithelial cells of the prostate
- C.
  
  Testosterone inhibitor targeted to stromal cells of the prostate
- D.
  
  Testosterone inhibitor targeted to epithelial cells of the prostate
18.

Which of the following is not a common feature of eunuchoidism?
- A.
  
  Sitting height less than one-half of standing height
- B.
  
  Osteoporosis
- C.
  
  Diminished axillary and pubic hair
- D.
  
  Small testes
- E.
  
  Small prostate
- F.
  
  Gynecomastia (male breasts)
- G.
  
  Anosmia (no sense of smell)
- H.
  
  Actually, all of the above are features of eunuchoidism
19.

A 7 year old boy presents with Turner stage 4 genital and pubic hair development (significant enlargement of penis and scrotum, darkening of scrotal skin, and adult type pubic hair). Which of the following would you most likely find in a patient with adrenogenital syndrome?
- A.
  
  Increased ACTH, increased cortisol, decreased aldosterone
- B.
  
  Decreased ACTH, decreased cortisol, decreased alsosterone
- C.
  
  Increased urinary 17-ketosteroids
- D.
  
  Hyperglycemia
- E.
  
  Anosmia
20.

Which of the following features is common to both 21-beta-hydroxylase deficiency and 17-alpha hydroxylase deficiency?
- A.
  
  Increased cortisol
- B.
  
  Increased androgens
- C.
  
  Early onset of puberty
- D.
  
  Increased aldosterone
- E.
  
  Increased ACTH