Final Exam: Ch 27&28 Flashcards
The ______ is the gonad ______ is the gamete
testis; sperm
Which of the following is generally accepted as a secondary sex characteristic?
The enlargement of the breasts
Which of the following are primary sex organs?
Ovaries
Which of the following is a secondary sex organ?
Vagina
Whether an organism will be genetically male or female is determined by
the sperm
The gene that codes for the testis-determining factor (TDF) is found in or on the
Y chromosome
The penis is homologous to the
clitoris
Gonads begin to develop_______ weeks after fertilization
5 to 6
Descent of the testes is stimulated by the
presence of testosterone
The penile urethra is enclosed by the
corpus spongiosum
The deep region of the penis, surrounding the urethra, that engorges with blood during an erection is known as the
corpus spongiosum
When it is cold, the_______ contracts and draws the testes closer to the body to keep them warm.
cremaster
Which of the following are not found in or around the seminiferous tubules?
Corpus cavernosum cells
Which cells produce testosterone?
Interstitial cells
Which part of the penis has the external urethral orifice?
Glans
The ________ is the site of sperm maturation and storage.
epididymis
Which of the following is the correct pathway of sperm cells from their formation to ejaculation?
- Seminiferous tubule
- rete testis
- epididymis
- ductus deferens
- ejaculatory duct
- urethra
By volume, most of the semen is produced in the
seminal vesicles
The golf-ball sized structure found inferior to the urinary bladder, and surrounding the most proximal portion of the urethra, is called the
prostate
Which of the following hormones directly stimulates the development of male secondary sex characteristics
Testosterone
Which of the following is an androgen?
Testosterone
Which of the following is not a change in the male body that results from puberty?
These are all changes associated with male puberty
Deepening of the voice
Gain in muscle mass
Growth of the scrotum and penis
Acne.
Dilation of the _______ causes the cavernous spaces to fill with blood and the penis to become erect.
deep arteries
Which of the following is a part of the internal female genitalia?
Vagina
In which structure does fertilization usually occur?
Uterine tube
Which of the following structures is composed of a theca folliculi, granulosa cells, a zona pellucida, and a secondary oocyte?
Secondary follicle
Which of the following is a part of the internal female genitalia?
Vagina
In which structure does fertilization usually occur?
Uterine tube
Which of the following structures is composed of a theca folliculi, granulosa cells, a zona pellucida, and a secondary follicle
Secondary follicle
What structure leads from each ovary to the uterus?
Uterine tube
Which uterine layer is composed of a simple columnar epithelium containing tubular glands?
Endometrium
Which uterine ligament is indicated in the picture below?
Round ligament
What is the first phase of the ovarian cycle as indicated in the image below?
Follicular phase
What is the second phase of the ovarian cycle as indicated in the image below?
Luteal phase
During ________ the uterus is tented (erected) and the cervix is withdrawn from the vagina. Typically, the
clitoris is engorged and the labia are bright red to violet due to hyperemia.
excitement
What is the cessation of menstruation referred to as?
Menopause
What does the term “ menstrual cycle” specifically refer to?
The cyclic changes in the uterus determined by shifting hormonal changes
In ovulation, after expelling the oocyte the follicle becomes a ______ and secretes _____
corpus luteum; estrogen and progesterone
What is a follicle composed of?
An oocyte enclosed in follicular or granulosa cells
When does oogenesis begin?
During embryonic development