Right before the ovulation, the maturate follicle secretes high levels of estrogen which switches from negative to positive feedback regulation of the HPG axis. Positive feedback regulation of estrogen will result in __________ of estrogen levels, leading to an ____________ surge     further increase;

Q: During the third trimester of pregnancy, the placenta is not the primary source of which hormone in…

A: Answer is b.)  prolactin.

Q: the endocrine system controls the reproductive systems of both males and females.  Describe the…

A: Endocrine system is a system which contains different glands which produces the hormones are…

Q: In a menstrual cycle that does not result in pregnancy,a. LH stimulates follicle development early…

A: A menstrual cycle is a period divided into four different phases : Follicular, Ovulatory and Luteal…

Q: The reproductive hormones released from the anterior pituitary gland are (select all correct…

A: The pituitary gland is located just below the hypothalamus in a bony cavity called the sella…

Q: Use the following list of reproductive hormones and structures to answer the next two questions. 1.…

A: Hormones are chemical substances produced by our body's endocrine system, which releases the…

Q: During the menstrual cycle When women slow down their production of hormones it is called…

A: Answer: MENSTRUAL CYCLE : It is the 3-6 days of cycle , when the women bleeds due to the rupture of…

Q: The hormone, Answer ( LH, FSH, GnRH, estrogen, Progesterone) stimulates the development of a…

A: The menstrual cycle is a complex process that is driven by hormones produced from various glands of…

Q: which of the following statement is NOT about follicle-stimulating hormones (FSH) in the male…

A: Follicle-stimulating hormones (FSH) stimulates growth of testes and also intensify the production of…

Q: Using the following hormone choices, which of the following puts the hormones of the female…

A: The main aim of menstrual cyle is to secrete ova for fertilization. The four phases of the menstrual…

Q: During a menstrual cycle, a midcycle surge of_____ from the_____ triggers ovulation. a. FSH;…

A: The increased level of estrogen in body eventually causes a rapid rise in luteinizing hormone (the…

Q: In males, stimulates the Leydig cells to produce Progesterone; testosterone Luteinizing hormone…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Label the structures and hormones involved in lactation. Posterior pituitary Prolactin and oxytocin…

A: The hypothalamus plays a significant role in the endocrine system. It is responsible for maintaining…

Q: A B Q C R. E S• V Which of the following structures of the male and female reproductive systems…

A: Hormones are the chemical messengers secreted by the glands in the body. They play an important role…

Q: The following graph shows estrogen and progesterone levels during a menstrual cycle. Use this graph…

A: Menstrual cycle is also known as a uterine cycle.This cycle can be defined as a series of concurrent…

Q: Which of the following statements does NOT correctly describe the role of inhibin in the male…

A: Introduction :- The biological system made up of all the anatomical organs involved in sexual…

Q: LH in men: 1. Targets follicle cells, increasing estrogen levels. 2. Targets interstitial cells,…

A: Hormones significantly control the body’s reproductive system, luteinizing hormone or LH is one of…

Q: Discuss the role estrogen has on the changes that occur during a female’s lifetime.

A: The physiological functions of the human body are controlled and regulated by chemical messengers…

Q: A 17-year-old girl has missed her most recent menstrual period. She wants to determine whether she…

A: Fertilization is the process of fusion of male and female gamete which leads to produce zygote.

Q: Which of the medications listed below should be used for pubertal gynecomastia?A. TestosteroneB.…

A: Pubertal gynecomastia is condition in males in which their is enlargement of breasts due to…

Q: Select the best answer or answers from the choices given: FSH is to estrogens as estrogens are to…

A: The Follicle Stimulating Hormone is released from the Anterior Pituitary gland. The FSH causes…

Q: Using the following hormone choices, which of the following puts the hormones of the female…

A: Answer- In the menstrual cycle, there are three phases that are follicular, ovulatory and luteal…

Q: The following sketch represents the feedback loops that govern the production of sperm in the…

A: Reproductive system is consist of organs and. Glands of the body which help in reproductive…

Q: The hormone, LH • suddenly increases around Day 12 of the menstrual cycle in response to the…

A: Menstrual cycle is women's uterus cycle that grows and sheds the endometrium that leads the…

Q: PActivity 2 Direction. Match column A to column B. A B 1. Luteinizing normone (LH) 2.…

A: The chemical messengers that are secreted directly into the blood, which carries them to organs and…

Q: At the start of the follicular phase, levels of estrogen allow FSH levels to O low, decrease high,…

A: Hormones are the chemical molecules which acts as a chemical messenger for different body tissues…

Q: What hormone causes production of LH to stop? Group of answer choices   A. LH B. testosterone C.…

A: The endocrine system is a network of glands in the body that produce the hormones that help cells…

Q: The increased release of progesterone by the corpus luteum inhibits (decreases) the release of FSH…

A: Menstruation is defined as the process of vaginal bleeding that occurs every month right from the…

Q: Explain the concept of negative feedback using the male reproductive hormones (hormonal control of…

A: As per the guidelines we are supposed to answer only the first question in case of multiple question…

Q: Which of the following statements correctly describes the effects of increased testosterone?   a.…

A:

Q: Female Reproductive System Menstruation is triggered by: a decrease of estrogen and progesterone a…

A: The female primates shows a characteristics reproductive cycle that is known as menstrual cycle that…

Q: Compare and contrast the following terms: You are invited to a middle school to address 11- to…

A: The time in life when a person becomes sexually mature is known as Puberty. After puberty both…

Q: Some women have delayed menarch due to which of the following? O too little body fat O increased…

A: Menarche is the first menstrual cycle in female during puberty period. It happened in 12-13 years of…

Q: Which hormone is consistently positively correlated with thickening of the endometrium?  Follicle…

A: Hormones play a vital role in preparing a conception environment for the fetus to be implanted in…

Q: Progesterone has a negative feedback effect that turns off which hormone? O LH O estrogen O…

A: During the onset of puberty , many hormones are produced in the human body via hypothalamus and…

Q: FSH LH Negative feedback Estrogen from ovarles Progesterone from ovarles Figure 1. Negative Feedback…

A: Positive feedback control is this system where synthesis of a hormone increases if its amount in…

Q: Which of the following hormones is not involved in the male reproductive system? O FSH O LH O…

A: Introduction :- The biological system of an organism's reproductive system, also known as the…

Q: Hormone Replacement Therapy ( HRT) is a common treatment for post-menopausal women, It is often used…

A: Cessation of menstrual cycle after  certain old age in women leads to menopause. Menopause has its…

Q: A tumour in the pituitary gland may destroy some of the hormone-producing cells. This reduces the…

A: The pituitary gland is a tiny, pea-sized endocrine gland that is situated underneath the…

Q: Luteinizing hormone (LH): Which of the following is correct ? Stimulates testosterone secretion LH…

A: Hormones are signaling molecules that help to regulate physiology and behavior. They have specific…

Q: Which of these factors reduces the release of GnRH (gonadotropin releasing hormone) from the…

A: Testosterone acts as  negatively on Hypothalamus and anterior pituitary. Inhibin acts as negative…

Q: Match four of the hormones of the negative feedback numbered above with their function given below.…

A: There are various hormones that are responsible for controlling menstrual cycle in female . These…

Q: in developing and maintaining the female reproductive organs and secondary sexual characteristics…

A: Generally the female reproductive system encompasses  the ovarian and uterine cycles;along with it…

Q: What causes the Wolffian duct to develop into male reproductive structures? This will happen in the…

A: Introduction: The Wolffian tube is also known as mesonephric duct, Leydig's duct and nephric duct…

Q: Complete the following feedback loop for estrogen between day 12 and 14 of ovarian cycle. Pick one…

A: Increased estrogen by Ovaries and positive feedback loop.

Q: For each hormone, select whether the hormone is increasing or decreasing at the beginning of…

A: Pregnancy is defined as the process where the egg of the female gets fertilized by the sperm from…

Q: which hormone is capable of negative and psitive feedback effects on the pituitary gland during the…

A: Menstruation is cyclic discharge of unfertilised egg, debris, tissues from uterus along with blood.…

Q: Which of these hormones will explain how the ovaries are able to produce more estrogen and…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which of the following hormones demonstrates more than one marked peak during the female…

A: Menstrual cycle is the cycle in which uterus grows and shed a lining  called endometrium.It occurs…