If a child develops an anterior pituitary tumour that reduces LH and FSH production, the child will _________. A. not develop gonads. B. experience delayed or disrupted puberty. C. produce excess testosterone or estrogen. D. develop secondary sexual characteristics before puberty.
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If a child develops an anterior pituitary tumour that reduces LH and FSH production,
the child will _________.
A. not develop gonads.
B. experience delayed or disrupted puberty.
C. produce excess testosterone or estrogen.
D. develop secondary sexual characteristics before puberty.
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- A 16-year old girl tells her doctor that she has not had menstruation for 2 months. A pregnancy test shows that she is not pregnant. What is a likely explanation for her condition? Select one: A. Endometriosis B. Low levels of estrogen and progesterone C. Cervical cancer D. Premenstrual syndrome E. Severe emotional stress O O O O OPlasma concentrations of LH and FSH rise dramatically after menopause. This is because (select one) a. The negative feedback of gonadal steroids is no longer present b. Rising gonadotrophins maintains the fertility of older animals c. Fertility in older woman declines d. The pituitary becomes more efficient with ageWhat is a potential consequence of embryonic exposure to endocrine-disrupting compounds that can bind to estrogen receptors? Select one: a. Increased growth rate and early birth b. Decrease in size of developing testes c. Increased rate of ovulation d. Decreased sperm count e. Choices B and D are correct
- Low levels of estrogen in menopause lead to:A. Decreased bone density causing osteoporosisB. Increased risk of bone fractureC. Lack of protection against cardiovascular diseaseD. A, BE. A, B, CWhich row correctly identifies the function and a source of hCG, respectively? Select one: A. Function Source Stimulate Estrogen Ovary B. Function Source Stimulate FSH Anterior Pituitary C. Function Source Aid Implantation Uterus D. Function Source Maintains Corpus Luteum Trophoblast and PlacentaUsing the following hormone choices, which of the following puts the hormones of the female menstrual cycle in the correct order starting from day 1 and assuming a pregnancy has happend. A. estrogen B. follicle stimulating hormone (FSH) C. human chorionic gonadotropin (HCG) D. luteinizing hormone (LH) E. progesterone F. testosterone O A. B, E, C, A, D O B. A, D, B, C, E O C.B, A, D, E, C O D. D, B, A, E, C
- Which of the following is NOT associated with the embryo developing into a male: a. androgen c. Müllerian ducts b. Wolffian ducts d. testosteroneCombination birth control pills exploit the _______________-feedback effect _______________ has on _______________ to prevent follicle maturation. a. positive; GnRH; progesterone b. positive; estrogen; GnRH c. negative; progesterone; GnRH d. negative; estrogen; GnRHWhich row correctly identifies the function and source of hCG, respectively? Select one: a. Function Source Stimulates FSH Anterior pituitary b. Function Source Aids implantation Uterus c. Function Source Maintains corpus luteum Trophoblast and placenta d. Function Source Stimulates estrogen Ovary
- A. There is an increase of FSH at the beginning of the menstrual cycle. What causes it? B. There is a surge in E2 level before the ovulation. What causes it? C. There is a decrease of FSH before the ovulation. What causes it? D. There is a surge of LH and FSH that induces the ovulation. What causes the surge? E. There is a decrease of LH and FSH after ovulation. What causes it? F. There is a decrease in E2 after ovulation. What causes it? G. There is an increase of E2 and P4 a few days after the ovulation. What causes it? H. There is a decrease of E3 and P4 at the end of menstrual cycle. What causes it?Match the hormones to the organ that makes them or to the action they cause. Use letters more than once. A. estrogen B. follicle stimulating hormone (FSH) C. human chorionic gonadotropin (HCG) D. luteinizing hormone (LH) E. progesterone F. testosterone v blastula v corpus luteum Leydig's cells A. A ovary v 1st hormone of pituitary gland to start cycle В. В С.С 2nd hormone of pituitary gland halfway through cycle D. D vendometrium grows more blood vessels Е. E v keeps corpus luteum v stimulates sperm production, muscle growth, aggression F. F v keeps endometrium in uterus ovulation (egg leaves ovary) v tells egg to developYour friend suffers from testosterone deficiency. Which of the following is a possible sign? Select one: A. Enlargement of the larynx B. Increased skin thickness C. Excessive chest and facial hair D. Clear skin which is free of pimples E. Bulky skeletal muscle development O O O O O