CHAP 28

Question 1

Hormone pathway involved with the onset of puberty.

Answer 1

HYPOTHALAMUS SECRETES GnRH > ANTERIOR PITUITARY SECRETES FSH & LH > GONADS SECRETE TESTOSTERONE (M) & ESTROGEN/PROGESTERONE (F)

Question 2

Know the difference between mitosis and meiosis.

Answer 2

MITOSIS: PRODUCES 2 DUPLICATE CELLS. MEIOSIS: PRODUCES 4 CELLS THAT WILL HAVE HALF OF THE GENETIC MATERIAL IN EACH CELL

Question 3

What is the corpus luteum?

Answer 3

REMNANT OF FOLLICLE THAT HAS OVULATED ITS OOCYTE

Question 4

What does the corpus luteum secrete?

Answer 4

PROGESTERONE & ESTROGEN

Question 5

Know the difference between the production of gametes in males and females.

Answer 5

FEMALES: PRODUCES & RELEASES SINGLE GAMETE MONTHLY. MALES: PRODUCES 100 MILLION/DAY

Question 6

What does the LH surge induce?

Answer 6

OVULATION

Question 7

What does the decrease in progesterone and estrogen induce?

Answer 7

menstruation

Question 8

Function of fallopian/uterine tubes?

Answer 8

TRANSPORT OVULATED OOCYTE TO UTERUS

Question 9

Orientation of the uterus.

Answer 9

ANTEVERTED & ANTEROSUPERIORLY ACROSS SUPERIOR BLADDER

Question 10

Know the regions of the uterus.

Answer 10

BODY, CERVIX, FUNDUS

Question 11

Uterine wall layers/tunics: know the order and brief description of each.

Answer 11

PERIMETRIUM, MYOMETRIUM, & ENDOMETRIUM (INNERMOST).

Question 12

PERIMETRIUM:

Answer 12

OUTERMOST

Question 13

MYOMETRIUM:

Answer 13

THICK; 3 INTERTWINING LAYERS OF SMOOTH MUSCLE

Question 14

ENDOMETRIUM:

Answer 14

INNERMOST; PERMANENT; SIMPLE COLUMNAR EPITHELIUM

Question 15

Alveoli:

Answer 15

SECRETORY UNITS OF BREASTS

Question 16

Lactiferous sinus:

Answer 16

WHERE MILK IS STORED

Question 17

Function of scrotum?

Answer 17

PROVIDES COOLER ENVIRONMENT FOR SPERM DEVELOPMENT/MATURATION

Question 18

Know what the pampiniform plexus is.

Answer 18

PLEXUS OF VEINS SURROUNDING TESTICULAR ARTERY; PRE-COOLS ARTERIAL BLOOD PRIOR TO REACHING TESTES

Question 19

What is found within the inguinal canal?

Answer 19

SPERMATIC CORD

Question 20

Sustentacular: releases

Answer 20

INHIBIN

Question 21

Interstitial cells: releases

Answer 21

TESTOSTERONE

Question 22

Epididymis function?

Answer 22

STORES SPERM UNTIL FULLY MATURE & MOTILE

Question 23

Explain the pathway that sperm travel from testis to the spongy urethra.

Answer 23

TESTIS/SEMINIFEROUS TUBULES, EPIDIDYMIS, DUCTUS/VAS DEFERENS, EJACULATORY DUCT, PROSTATIC URETHRA, MEMBRANOUS URETHRA, SPONGY URETHRA

Question 24

Function of seminal fluid?

Answer 24

GIVES NUTRIENTS TO SPERM TRAVELING IN FEMALE TRACT

Question 25

Semen is comprised of

Answer 25

SPERM + SEMINAL FLUID

Question 26

Gonads:

Answer 26

PRIMARY REPRODUCTIVE ORGANS; testis & ovaries

Question 27

Gametes:

Answer 27

SEX CELLS (EGG & SPERM)

Question 28

Haploid:

Answer 28

23 CHROMOSOMES (NOT PAIRS!); “HALF”

Question 29

Diploid:

Answer 29

23 PAIRS OF CHROMOSOMES (46 IN TOTAL)