Fast block to polyspermy is achieved by: Select one: O a. a. membrane depolarization O b. action potential O c. proteasomal degradation of sperm O d. proteasomal degradation of sperm receptors Oe. actin polymerization

Q: Describe the hormonal control of spermatogenesis in terms of the hypothalamic-pituitarygonadal axis…

A: The process of sperm cell formation is called spermatogenesis. To create spermatozoa, rounded…

Q: erection emission ejaculation erogenous zones orgasm phase plateau phase refractory period…

A: Sexual response cycle The sexual response cycle is the series of physiological and psychological…

Q: FSH stimulates OA. Sustain cells OB. Leydig O C. Interstitial O D. Sperm cells to secrete Androgen…

A: A. Sertoli cellsExplanation:Follicle-stimulating hormone (FSH) is a hormone released by the anterior…

Q: Give the significance of the following: a. spermiogenesis b. acrosome formation c. sperm…

A: The sperms are produced in the primary sex organ of males and it is the haploid gamate that fused…

Q: Discuss the reason why sperm is harvested from cauda epididymis for sperm cryopreservation

A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…

Q: Chronic sleep deprivation inhibited hypothalamic secretion of gonadotropin releasing hormone (GnRH)…

A: GnRH (gonadotropin-releasing hormone) is a hormone produced by the hypothalamus that stimulates the…

Q: Menstrual change is a common symptom of uterus myoma, which of the following factors is related to…

A: Myoma means a noncancerous tumor that occurs in the uterus. Menstrual change is a common symptom of…

Q: In positive mechanism, which of the following will happen if there is an increase production of…

A: Menstrual cycle It refers to the monthly cycle of alterations taking place in the ovaries and the…

Q: Even though they are not a hormone, prostaglandins act in a similar way. Answer the following…

A: Oxytocin is created within the hypothalamus and is secreted into the blood by the secretory organ…

Q: What are the two muscle that influence the position of the testes within the scrotum and the…

A: The loose pouch-like sac of skin that hangs behind the penis is known as the scrotum. It contains…

Q: Which of the following are functions of luteinizing hormone? A. stimulation of production of…

A: The female reproductive system consists of the uterus, ovary, fallopian tube, vagina, vulva. This…

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: Which of the following statements does NOT describe the role of progesterone in the female…

A: Hormones are chemical messengers which are produced by the endocrine glands. These hormones regulate…

Q: NE The black line drawn across this photomicrograph of a seminiferous tubule represents the line of…

A: The question is asking us to identify the line of demarcation in a seminiferous tubule, which is a…

Q: The two principal ions involved in the generation of the action potential in the nerves are : *…

A: Neurons are the basic components of the brain and nervous system, the cells accountable for…

Q: Which of the following statements does NOT correctly describe the similarities and differences…

A: The system involved in the process of generating viable offsprings is called the reproductive…

Q: Label the parts of the male reproductive system in the following illustration.

A: Here, the male reproductive system is represented and all the labelling are mentioned below-

Q: Which of the following statements does NOT describe the role of progesterone in the female…

A: Fertilization, pregnancy and other reproduction related processes are controlled by acts of some…

Q: Which of the following hormones exogenously-administered as drugs is most likely to decrease ovarian…

A: Secondary oocytes These are immature ovum produced from the primary oocytes through the first…

Q: The modified structures at the border of the epithelium shown above are immotile in a 23-year-old…

A: The question is asking about the consequences of immotile structures at the border of the epithelium…

Q: What is true of the development of the female reproductive system? A. It is regulated by the…

A: Development of reproductive system in female mainly represent two type of development, one is ovum…

Q: According to the diagram at right, FSH injections to super-stimulate the ovaries will:

A: The anterior pituitary gland creates the gonadotropin known as FSH, or follicle-stimulating hormone.…

Q: multiple births are observed commonly in women treated for infertility with drugs that stimulate the…

A: Infertility:   After one year of unprotected and frequent sexual intercourse with a male and female…

Q: produce inhibin and to start spermatogenesis.  B. Increased levels of inhibin released by the…

A: Androgens are a bunch of hormones that play a task in male traits and procreative activity. Present…

Q: One role of the acrosomal reaction is: O Fusing the sperm membrane with the oocyte membrane O…

A: Fertilization is the process in which male gametes fuses with female gamete to form Diploid zygote .…

Q: Which of the following is true regarding LH signaling in men? O Stimulates leydig cells to produce…

A: LH hormone is commonly known as the luteinizing hormone. It is produced by the pituitary gland…

Q: Briefly describe the role of BMP-4 in ovarian follicular development

A: Ovarian follicular development is a complex process involving the growth and maturation of follicles…

Q: phases of neurulation. Mention some signaling molecules, genes, morphogenetic factors, and other…

A: Neurulation refers to the folding process in embryos during embryonic development. It includes the…

Q: Which of the following is not a hormone produced by the ovaries?a. estrogen c. prolactin e.…

A: LH, FSH, estrogen, progesterone, prolactin are important female reproductive system's hormones that…

Q: Which of the following statements does NOT correctly describe a difference between the male and…

A: Reproductive system includes the system of organs and parts which function in reproduction…

Q: FSH stimulates cells to secrete Androgen Binding Protein. OA. Interstitial O B. Leydig O C.…

A: The objective of the question is to identify which cells are stimulated by Follicle Stimulating…

Q: Select the most accurate statement regarding male sexual function.   A. Damage to the sympathetic…

A: Male sexual function is a coordinated response between the organs of male reproductive system and…

Q: Which of the following statement does NOT describe the role of progesterone in the female…

A: Progesterone is a hormone which is secreted by the placenta. ovaries and adrenal gland. Sometimes…

Q: 1. Ella accidentally ingests the poison tetrodotoxin from the pufferfish, which you know blocks…

A: Pufferfish, also known as blowfish, are frequently poisonous but considered as a culinary delicacy…

Substance Abuse

Substance abuse refers to the use of illegal drugs in excessive quantities, as well as the misuse of legal substances such as prescription or over-the-counter pharmaceuticals or alcohol for purposes other than those intended. Drug addiction, also known as substance use disorder, is a disease that affects the brain and behavior of a person. It leads to a failure to control the use of any drug or prescription, legal or illegal.