A&P practice test 5 Flash Cards

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Title:	A&P practice test 5
Description:	A&p
Number of Cards:	120
Save Count:	0
Author:	drewski30009
Created:	2011-11-30
Tags:	a&p ii
Private	No

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- Question
- Answer
- Side 3

- 1. Fertilization normally occurs within which structure?
- b) Fallopian tube
- 2. This is a series of functional changes that sperm go through when they are in the female reproductive tract.
- d) Capacitation
- 3. The fusion of the secondary oocyte and the sperm results in which developmental stage?
- c) Zygote
- 4. This is the part of the blastocyst that promotes implantation and produces hCG.
- c) Trophoblast
- 5. This is the portion of the endometrium that lies between the embryo and the stratum basalis.
- a) Decidua basalis
- 6. This develops from the epiblast and carries a protective fluid.
- d) Amnion
- 7. This will become the primary structure for exchange of material between the mother and the fetus.
- a) Chorionic villi of the placenta
- 10. How many pairs of pharyngeal arches are there?
- e) 6
- 8. Each somite may differentiate into a
- b) Dermatome
- 9. This is the connection between the placenta and the embryo.
- c) Umbilical cord
- 11. This is any agent or influence that causes developmental defects in an embryo.
- e) None of the above
- 12. This exam is performed between 14-16 weeks gestation and is used to detect genetic abnormalities.
- b) Amniocentesis
- 13. CVS is taking cells from where?
- c) Placenta
- 14. This hormone is secreted by nonpregnant women from secretory cells in the hypothalamus.
- c) CRH
- 15. During pregnancy stroke volume can increase by
- c) 30%
- 16. Labor can not take place until all of this hormone’s effects are diminished.
- b) Progesterone
- 17. This is the time from the onset of labor to the complete dilation of the cervix.
- a) Stage of dilation
- 18. Involution is
- c) When the uterus decreases in size
- 19. In infants this connects the umbilical vein to the inferior vena cava.
- a) Ductus venosus
- 20. This is a principle hormone that releases milk into the mammary ducts.
- d) Oxytocin
- 21. This is a permanent change in an allele.
- a) Mutation
- 22. When phenotype can be drastically different depending on parental origin it is called:
- c) Genomic imprinting
- 23. An example of incomplete dominance is
- b) Sickle-cell disease
- 24. If one parent has type A blood and one parent has type B blood, what blood type is possible for their child?
- e) All of the above
- 25. If a child has B blood, and the mother has B blood, what is the possible genotype of the father?
- e) B, O or AB
- 26. Chromosome #15 is considered
- b) An autosome
- 27. A Barr body
- a) Is an inactivated X chromosome
- 28. Which one represents the morula stage?
- c) C
- 29. Which one represents the blastocyst stage?
- D
- 30. What does diagram “A” represent?
- b) Cleavage of zygote
- 31. What is line “A” pointing to?
- b) Trophoblast
- 32. What stage happens 3-4 days after fertilization?
- C
- 33. What stage happens 6 days after fertilization?
- E
- 34. This was formerly called the blastocyst cavity.
- F
- 35. This is composed of the syncytiotrophoblast and the cytotrophoblast.
- C
- 36. Where is the amnion?
- E
- 37. These cells are derived from the yolk sac and form a connective tissue layer.
- F
- 38. What is line “G” pointing to?
- e) None of the above
- 39. What is line “G” pointing to?
- a) chorionic villi
- 40. Where are the fetal blood vessels?
- E
- 41. What is line “F” pointing to?
- d) maternal endometrial layer
- 1. The structure protects and regulates the temperature of the testes
- d) Scrotum
- 2. This structure is the site of sperm production.
- b) Seminiferous tubules
- 3. How many seminiferous tubules are found in the lobules?
- a) 1-3
- 4. These cells may eventually become spermatozoa
- c) Spermatogenic cells
- 5. These cells secrete testosterone.
- c) Leydig cells
- 6. This hormone stimulates Leydig cells to secrete testosterone.
- b) LH
- 7. The straight tubules in the testis lead into the:
- c) Rete testis
- 8. The function of the epididymis is
- a) Sperm maturation
- 9. This is formed by the union of the duct from the seminal vesicle and the ampulla of the vas deferens.
- d) Ejaculatory duct
- 10. This lies posterior to the bladder and anterior to the rectum and secretes an alkaline, fructose filled fluid.
- c) Seminal glands
- 11. These are located inferior to the prostate on other side of the membranous urethra within the deep muscles of the perineum.
- a) Cowper’s glands
- 12. This is composed of three cylindrical masses of erectile tissue each surrounded by a fibrous tissue.
- d) Penis
- 13. This ligament arises from the pubic symphysis in males.
- c) Suspensory ligament
- 14. What is produced by the ovaries?
- d) Secondary oocytes, estrogen and progesterone
- 15. This attaches the ovaries and the uterus to the pelvic wall.
- d) Suspensory ligament
- 16. This is the site of fertilization.
- c) Uterine tubes
- 17. This is the portion of the uterus that opens into the vagina.
- b) Cervix
- 18. Anterior to the vagina and urethral openings is the
- d) Cervical sphincter
- 19. Skene’s glands secrete
- e) Mucus
- 20. ________ hormone secreted by the ____________ controls the ovarian and uterine cycles.
- c) GnRH, hypothalamus
- 21. This hormone promotes spermatogenesis.
- b) Testosterone
- 22. This hormone triggers ovulation.
- b) LH
- 23. This is secreted by the corpus luteum after ovulation.
- a) Progesterone
- 24. The is the uterine phase when the endometrium becomes more vascular.
- c) Proliferative phase
- 25. The is the ovarian phase between the end of menstruation and beginning of ovulation.
- b) Preovulatory phase
- 26. The septum of the tissue is made up of superficial fascia and which muscle tissue?
- I
- 27. What does line “A” point to?
- d) Spermatic cord
- 28. Which structure has a portion removed in a vasectomy?
- D
- 29. What does line “G” point to?
- e) Tunica vaginalis?
- 30. What is line “C” pointing to?
- b) Rete testis
- 31. Where are the straight tubules?
- e) E
- 32. What is line “F” pointing to?
- e) Seminiferous tubules
- 34. What is line “C” pointing to?
- c) Ovary
- 36. This opens from the uterus to the vagina.
- F