Physio Module 9 Flashcards
GnRH is produced in the A. Paraventricular nuclei B. Arcuate nuclei C. Supra optic nuclei D. Anterior pituitary
B
In hair root test presence of fluorescent body means A. The patient is male B. The patient is female C. The patient is pregnant D. The patient is a genius
A fluorescent body - Y chromosome
Which of the ff secretes MIF A. Leydig cells B, granulosa cells C. Theca cells D. Sertoli cells
D
Testosterone - leydig
Development of differences between male and female from an undifferentiated zygote A, chromosomes B. Sex differentiation C. Sex determination D. Gene polymorphism
B
Largest somatic chromosome A. 1 B. 5 C. 22 D. 23
A
Smallest - chromosome 22
Cells in meiosis II are A. Haploid B. Thirploid C. Diploid D. Mongoloid
A
After meiosis, how many daughter cells are produced? A. 0 B. 1 C. 2 D. 3 E. 4
E.
Mitosis - 2
Milk producing hormone A. Estrogen B. Prolactin C. Dopamine D. Progesterone
B
A XX fetus was injected with testosterone. She will be
A. Genetically male , phenotypically male
B. Genetically male, phenotypically female
C. Genetically female, phenotypically male
D. Genetically female, phenotypically female
C
Determined by the presence of absence of SRY gene A. Chromosomal sex B. Gonadal sex C. Phenotypic sex D. Psychological sex
B
Established by genetic inheritance at the moment of fertilization A. Chromosomal sex B. Gonadal sex C. Phenotypic sex D. Psychological sex
A
Stage of the oocyte when the sperm invites the follicle A. Primary B. Secondary C. Tertiary D. Primordial
B
In pre eclampsia, RBF and GFR are \_\_\_\_\_, \_\_\_\_\_\_ respectively A. High, low B. Low, low C. Low, high D. High, high
B
Coiled DNA containing many genes, regulatory elements and other nucleotide sequences A. Chromosome B. mRNA C. Nucleosome D. Barr bodies
A
What part of the cell cycle is characterized by The opposite of telophase A. Prophase B. Metaphase C. Anaphase D. Meiosis
A
Which of the ff comes from the wolffian duct A. Formation of oviduct B. Formation of clitoris C. Formation of scrotum D. Formation of vas deferens
D
During pregnancy, fetal blood is \_\_\_\_\_\_, maternal blood is \_\_\_\_\_ A. Acidic, alkaline B. Acidic, acidic C. Alkaline, alkaline D. Alkaline, acidic
D
During pregnancy there is \_\_\_\_\_aldosterone secretion, \_\_\_\_\_ GFR A. Inc, dec B. Inc, inc C. Dec, dec D. Dec, inc
B
What encodes for the SRY protein A. Chromosome X B. Chromosome Y C. Chromosomes 22 D. Chromosome 1
B
Lyon hypothesis states that
A. Everyone is made in the image and likeness of God
B. One of the 2 X chromosomes in female will be inactivated
C. Testosterone will determine the genetic sex
D. SRY gene is seen in chromosome 8
B
This organ has a slightly colder temperature compared to the rest of the body, making it optimum for sperm activation A. Scrotum B. Testes C. Penis D. Prostate
A
Heterogametic pattern leads to A. Male baby B. Female baby C. Twins D. Abortion
A
In the process of oogenesis, a polar body
A) is formed before fertilization.
B) is formed after fertilization.
C)normally receives most of the cytoplasm of the cell.
D)is a very cold cell.
E) both a and b
E
A patient underwent sex chromatin test, the result shows 1 X chromosome in excess. The interpretation of this is A. The patient is male B. The patient is female C. The patient is supermale D. The patient is super female
B
If 2 Barr bodies- super female
In no Barr bodies- male
Cells in meiosis I are A. Haploid B. Diploid C. Polyploid D. Triploid
B
Presence of testes A. Chromosomal sex B. Gonadal sex C. Phenotypic sex D. Psychological sex
Gonadal sex
Sperm produced in the seminiferous tubules are A. Active and motile B. Inactive but motile C. Active but non motile D. Inactive and non motile
D
Where sperm cells are majorly stored A. Scrotum B. Testes C. vas deferens D. Epididymis
C
Action of testosterone on wolffian duct is an example of A. Negative feedback B. Positive feedback C. Classic endocrine mechanism D. Local Paracrine
D
Fetal hemoglobin causes the curve to shift to the A. Left B. Right C. Left then right D. Right then left
A
Abundant from of estrogen found in the ovary A, estradiol B. Estriol C. Estrone D. Androgen
A
In the menstrual cycle, progesterone levels are highest during A) the proliferative phase. B) menses. C)the secretory phase. D)ovulation. E) both b and d
C
How are the nutrients from maternal blood to fetal blood transported A. Diffusion B. Primary active transport C. Secondary active transport D. Aquaporins
A
This is responsible for the milky appearance of the semen A. Secretion of the vas deferens B. Secretion of seminal vesicle C. Secretion of prostate gland D, secretion of Cowper's gland
C
The cause of menses in the menstrual cycle is
A) increased progesterone production from the ovary, which produces blood clotting.
B) increased estrogen secretion from the ovary, which stimulates the muscles of the uterus to contract.
C)decreased progesterone and estrogen secretion by the ovary.
D)decreased production of oxytocin, causing the muscles of the uterus to relax.
E) decreased production of HCG.
C
Single, most consistent factor of determining maleness A. Chromosome 1 B. Chromosome 18 C. Chromosome Y D. Chromosome X
C
This is influenced by behavior and cultural factor A. Chromosomal sex B. Gonadal sex C. Phenotypic sex D. Psychological sex
D
In Klinefelter syndrome (XXY) the person is A. Genetically male B. Genetically female C. Hermaphrodite D. Alien
A. May Y chromosome kasi
What induces the growth of wolffian duct A. Testosterone B. MIF C. Estrogen D. Cortisol
A
Main Producer of oxytocin A. Supra optic nuclei B. Paraventricular nuclei C. Posterior pituitary D. Adrenal cortex
B.
Supra optic can also produce it
True or false, there is no prolactin secretion throughout pregnancy that’s why no milk is produced
False.
Milk secretion is inhibited by estrogen and progesterone
What part of the cell cycle is characterized by Chromosomes decondense,Spindle apparatus disappears A. Prophase B. Metaphase C. Anaphase D. Telophase
D
Before ovulation, the oocyte is in A. Mitosis B. Meiosis I C. Meiosis II D. G2 phase
B. Arrested at prophase I
During pregnancy, levels of FSH and LH are \_\_\_\_\_,\_\_\_\_\_ respectively A. High, high B. Low, high C. High, low D. Low, low
D
Inc estrogen and progesterone think negative feedback
During the first few days after fertilization , the blastocyst gets its nutrition from A. Placenta B. Uterus C. Cervix D. Sperm
B