HD 201 E1 Samplex 2014 Flashcards
What is the difference between male and female gametogenesis?
a. Sequence of events
b. Timing of events
c. Absence of mitosis or meiosis
d. All of the above
B
What results to the formation of a second polar body?
A. ovulation
B. Fertilization
C. Menstruation
D. Menopause
B
When does spermatogenesis begin?
a. before birth
b. At birth
c. Puberty
d. at any stage
C
Which of the following events occur after fertilization?
A. Continuation of activity of the corpus luteum
B. Formation of corpus albicans
C. ischemia of secretory endothelium
D. Estrogen and progesterone levels decrease
A
Which of the following appears first in secondary folliculi?
A. Basal lamina
B. Crescent shaped fluid filled cavity
C. Zona pellucida
D. Theca folliculi
D
Estradiol is released by:
a. oocyte
b. theca folliculi
c. placental cells
d. granulosa folliculi
D
Most of the ovarian follicle turns into
a. corpus albicans
b. atretic follicles
c. secondary follicles
d. corpus luteum
B
Menstruation occurs because of:
A. Increasing levels of FSH and LH
B. Blood levels of estrogen and progesterone are low
C. Corpus luteum continues to produce progesterone
D. non responsiveness of spiral arteries to hormonal change
B
Simple columnar in reproductive tract:
a. portio vaginalis
b. endocervix
c. ectocervix
d. vaginal fornix
B
Increased size of mammary glands during pregnancy is a result of
a. development of alveoli in terminal ducts
b. accumulation of adipose tissue
c. increasing amounts of connective tissue
d. milk secretion secreted in alveoli and ducts
A
Male mammary glands are similar to what stage in the female mammary gland development?
a. puberty
b. reproductive
c. lactation
d. menopause
D
The hypoblast forms the roof of the
a. amniotic cavity
b. yolk sac
c. chorionic cavity
d. blastocystic cavity
B
spaces within the extraembryonic mesoderm
a. amniotic sac
b. yolk sac
c. chorionic cavity
d. blastocystic cavity
C
Primary role of deciduas
a. produces progesterone
b. provides immunological protection for conceptus
c. produces HCG
d. provides nutrition for the embryo
B
The embryoblast is between the yolk sac and the
a. chorionic cavity
b. amniotic cavity
c. extraembryonic cavity
d. blastocystic cavity
B
First sign of gastrulation
a. appearance of primitive streak
b. formation of notochord
c. development of 3 germ layers
d. development of neural tube
A
At what embryonic stage can you first appreciate the presence of the notochord?
a. blastula
b. gastrula
c. neurula
d. fetus
C
Sequelae of longitudinal folding of the embryo
a. part of the yolk sac forms primitive gut
b. formation of ventral body wall
c. change in position of the flat U-shapes intraembryonic coelom
d. formation of CVS
A
What week of the embryonic life do pharyngeal arches appear?
a. 4th wk
b. 5th wk
c. 6th wk
d. 7th wk
A
Failure of the progression of lateral body folding will result to the following anomalies except
a. gastroschisis
b. omphalocoele
c. cleft sternum
d. bladder exstrophy
B
Embryonic structure that persists as the nucleus pulposus of the intervertebral disc
a. primitive streak
b. notochord
c. somite
d. . pharyngeal arch
B
Hatching involves the liberation of the oocyte from the
a. corona radiata
b. zona pellucida
c. macula pellucida
d. macula densa
B
Villi that extends from the decidua basalis to chorion:
a) Anchoring villi
b) Terminal villi
c) Stem villi
d) Branch villi
A
Villi adjacent to the decidua basalis contributing to the formation of placenta:
a) Chorion frondosum
b) Chorion laeve
c) Decidual plate
d) Chorionic villi
A
Which of the following disappears as the placenta becomes older?
a) Endothelium of fetal capillaries
b) Connective tissue of villi
c) Syncytiotrophoblast
d) Cytotrophoblast
D
Exchange of materials between mother and fetus by?
a) Communicating lymphatic channels between mother and fetus
b) Diffusion from maternal blood sinus to fetal blood across syncytial and endothelial membrane
c) Opening between amnion and chorion
d) Anastomoses between maternal and fetal blood vessel
B
What type of villi is devoid of blood vessels and connecting tissue?
a) Primary villi
b) Secondary villi
c) Tertiary villi
d) Anchoring villi
A
The following is/are true of the function of the placenta:
a) Synthesizes steroid and protein hormones but not phospholipid-derived mediators which orchestrate maternal adaptations to pregnancy and regulates fetal and placental function and maturation
b) Serves as a communication interface between maternal and fetal compartments and responds to changes in chemical, endocrine, and immune signals derived from both compartments
c) Serves as a barrier by preventing the passage of waste and metabolic end-products towards the fetal side
d) AOTA
D
Maternal hormones differ from non-pregnant state which are dependent except:
a) Presence of normal placenta
b) Presence of fetus
c) Increased estrogen
d) NOTA
B
Human chorionic gonadotropin:
a) Presence of sialic acid at its terminal end prevents it from catabolic degradation
b) Its alpha-subunit is structurally related to TSH, FSH and LH
c) NOTA
d) AOTA
B