High School Biology : Understanding Reproductive Functions
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Example Question #11 : Understanding Reproductive Functions
Which of these structures is not a part of the female reproducive tract?
Urinary bladder
Vagina
Uterus
Fallopian tubes
Ovary
Urinary bladder
The urinary bladder is not a part of the female reproductive tract. Rather, it collects urine created by the kidneys. The ovary produces the female gametes. The fallopian tubes transport the eggs from the ovary to the uterus each month. The uterus provides a location and the necessary nutrients to the fertilized egg that develops into the fetus. The vagina receives the penis during sexual intercourse and expels menstrual flow from the uterus.
Example Question #12 : Understanding Reproductive Functions
Which of these is not an action of estrogen in females?
Stimulating uterine contractions during pregnancy
Growth spurt during puberty
Maturation of uterus, fallopian tubes, cervix, and vagina
Development of secondary sex characteristics in females
Development of the breasts
Stimulating uterine contractions during pregnancy
Oxytocin is the hormone responsible for stimulating uterine contractions during pregnancy. All other answer choices occur via stimulation by estrogen.
Example Question #13 : Understanding Reproductive Functions
Which of these is not a result of testosterone activity in males?
Pubertal growth spurt
Facial, body, and pubic hair growth
All of these are correct
Deepening of voice
Increased muscle mass
All of these are correct
Testosterone has many functions in males. Others functions than those listed include: enlargement of genitalia, increased libido, decrease in subcutaneous fat in face, aggression, and increased oil production—which may cause acne. In females, testosterone primarily functions to increase sexual arousal.
Example Question #14 : Understanding Reproductive Functions
Which of the following structures does not contribute to the fluidity of semen?
Prostate gland
Bulbourethral glands
Pituitary gland
Seminal vesicles
Pituitary gland
There are three primary structures that contribute fluids to sperm in order to create semen in the body: the seminal vesicles, the prostate, and the bulbourethral glands. The pituitary gland has an impact on the development and maturation of sperm, but does not directly add fluid to semen.
Example Question #15 : Understanding Reproductive Functions
Which of the following is a function of the male reproductive system?
Production of sex hormones
Delivery of sperm to the female reproductive system
Production and storage of sperm, production of sex hormones, and delivery of sperm to the female reproductive system
Production and storage of sperm
None of these answers
Production and storage of sperm, production of sex hormones, and delivery of sperm to the female reproductive system
The male reproductive system has all of the functions indicated in the answer choices.
Example Question #16 : Understanding Reproductive Functions
Painful cramps during menstruation is known as which of the following?
Amenorrhea
Mastodynia
Dysmenorrhea
Menarche
None of these answers
Dysmenorrhea
Dysmenorrhea is a term used to describe painful cramps that are present during menstruation. In most cases, the cramps are cause by involuntary contractions of the uterus, which is a muscle. Amenorrhea describes the abnormal absence of a menstrual period. Mastodynia describes breast tenderness during menstruation. Menarche describes a female's first menstrual period.
Example Question #17 : Understanding Reproductive Functions
The discharge of sperm and semen from the male body is known as which of the following?
Fertilization
Transpiration
None of these answers
Implantation
Ejaculation
Ejaculation
Ejaculation is the act of ejecting sperm and semen from the male body. Fertilization and implantation are the first steps of pregnancy that occur inside the female body after sexual reproduction has begun. Transpiration is the evaporation of water from plant leaves.
Example Question #18 : Understanding Reproductive Functions
What hormone surges and causes the release of an egg from the ovary?
Progesterone
Estrogen
Prolactin
FSH (follicle-stimulating hormone)
LH (luteinizing hormone)
LH (luteinizing hormone)
At day 14 of a menstrual cycle, the LH surge begins, which causes the follicle to burst, resulting in ovulation. The LH surge is caused by a rise in estrogen, which causes the pituitary gland to release LH.
Example Question #19 : Understanding Reproductive Functions
Which of the following hormones is crucial for the maintenance of pregnancy?
Progesterone
LH
Estrogen
Cortisol
FSH
Progesterone
Progesterone ("pro-gestation") is responsible for the maintenance of a pregnancy. Initially, the corpus luteum secretes progesterone in preparation for pregnancy. Then, after fertilization, human chorionic gonadotropin (hCG) is released which causes the corpus luteum to keep secreting progesterone. The placenta takes over it's function after 6 weeks gestation.
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