Conception

Question 1

What are the 4 steps to the sexual response cycle ?

Answer 1

Excitement
Plateau
Orgasm
Resolution

Question 2

What phase of sexual response cycle :
heightened sexual awareness/arousal and blood flow to erectile tissues; vaginal and bartholins gland secretions lubricate the female; male scrotum tightens and male secretes a lubricating fluid

Answer 2

Excitement

Question 3

What phase of sexual response cycle :
Intensification of excitement phase responses , plus body responses

Answer 3

Plateau

Question 4

What phase of sexual response cycle :
Male ejaculates semen; feeling of intense pleasure for sexual partners; females may go under multiple in succession

Answer 4

Orgasm

Question 5

What phase of sexual response cycle :
Genitalia and body systems return to pre-arousal state; general feeling of relaxation ; refractory period for males to repeat the cycle

Answer 5

Resolution

Question 6

______ is the hardening of the normally flaccid penis to permit its entry into the vagina

Answer 6

Erection

Question 7

Ejaculation :
___ phase: emptying of stern and accessory sex gland secretions into the urethra

Answer 7

Emission

Question 8

Ejaculation:
___ phase : forceful expulsion of semen from the penis

Answer 8

Expulsion

Question 9

Is reaction a spinal reflex ?

Answer 9

Yes

Question 10

Spinal reflex ice dilation of the penile articles ; non adrenergic neurons release ____ to relax the arterioles and blood enters the erect tissue

Answer 10

Nitric oxide

Question 11

Erection:
Cavernous all arteries _____; engorging corporal tissue with blood

Answer 11

Dilate

Question 12

Erection:
Engorging causes corporal tissue to ____ erecting the penis

Answer 12

Swell

Question 13

Erection:
Engorged corporal tissue compresses penile ___ and venues, maintaining erection

Answer 13

Veins

Question 14

Venous compression is another word for ___

Answer 14

Vasocongestion

Question 15

Venous congestion occurs in the vascular component of an erection to ______

Answer 15

Trap blood, enhance erection

Question 16

Corpus _______;
- open system
- High flow
- low pressure
- does not impinge on urethra

Answer 16

Spongiosum

Question 17

Corpus _____
- closed system
- outflow obstructed
- low flow
- high pressure

Answer 17

Cavernosum

Question 18

The corpus spongiosum surrounds the ____

Answer 18

Urethra

Question 19

Erection and ejaculation are mediated by ___ reflexes

Answer 19

Spinal

Question 20

____ at the bladder neck of penis contracts to prevent retrograde ejaculation and to prevent urine from being mixed with semen

Answer 20

Sphincter

Question 21

The sphincter at the bladder neck of penis contracts to prevent :
1. _____
2. ____

Answer 21

Retrograde ejaculation
Urine mixing with semen

Question 22

Ejaculation (emission) :
Sympathetic control leads to sequential contractions of smooth muscles of the reproductive tract and accessory glands to deliver the following into the _______

Answer 22

Posterior urethra

Question 23

Ejaculation (emission) :
1. _____ delivers fluid
2. Epididymis and vas deferens deliver ______
3. _____ delivers fluid ( all combined = ______)

Answer 23

Prostate gland
Spermatozoa
Seminal vesicles
Semen

Question 24

Ejaculation (expulsion) :
Urethra filling with semen trigger ____ impulses that activate skeletal muscles at the base of the penis

Answer 24

Nerve

Question 25

Ejaculation (expulsion) : Rhythmic contractions increase the system pressure, leading to forcible expulsion of semen outside of the body via the ____

Answer 25

Urethra

Question 26

Ejaculation (expulsion) : Average semen column depends on _____ period ; ___-___ mL of semen, many million of ___ per mL

Answer 26

Abstinence 1.5-6 Sperm

Question 27

Ejaculation (expulsion) : If male ejaculation occurs during sexual intercourse with female that have recently ovulated , oocyte fertilization by a single spermatozoan and pairing of the haploid genomes to form a diploid zygote is the moment of _____

Answer 27

Conception

Question 28

The ___ is the site of fertilization ; must occur within ___hours of ovulation

Answer 28

Oviduct / Fallopian tube 24

Question 29

In the female: semen is temporarily ____ to remain in the vagina and then liquifies to release the ___

Answer 29

Clotted Sperm

Question 30

Fertilization : Spermatozoa undergo an enhanced maturation process called ________ in the female reproductive tract ; they exhibit hyper-motility and become competent to fertilize n ovum

Answer 30

Capacitation

Question 31

Fertilization : Spermatozoa are also propelled to the oviduct by _____ of the female reproductive tract

Answer 31

Contractions

Question 32

Do many or few spermatozoa reach the ovum ?

Answer 32

Few

Question 33

Physical binding of sperm head with zone pellucida (ZP) leads to the ______ reaction and across all enzymes are released to drill through the ZP

Answer 33

Acrosome

Question 34

What kind of structures are released to drill through the zone pellucida of ovum ?

Answer 34

Acrosomal enzymes

Question 35

One spermatozoan is successful at penetrating ovum and fuses its plasma membrane with the oocyte membrane ; spermatozoa ____ is released into the cytoplasm

Answer 35

Nucleus

Question 36

Sperm fusion with oocyte triggers ____ signalling cascade in the oocyte cytoplasm

Answer 36

Ca2+

Question 37

Sperm fusion triggers Ca2+ signalling cascade in oocyte cytoplasm : 1. Triggers completion of ___ 2. Releases ______ into space between membrane and ZP, inactivates ZP binding proteins

Answer 37

M2 Cortical granules

Question 38

Within an hour , the oocyte and spermatozoa nuclei fuse to form a ____ _____= conception

Answer 38

Diploid zygote

Question 39

Assisted reproductive technologies (ART) : ____________ 1. collection of ovulated oocytes and semen 2. Fertilization in lab 3. Monitor and implant in uterus

Answer 39

In vitro fertilization

Question 40

Assisted reproductive technologies (ART) : ____________ - direct injection of spermatozoan nucleus into isolate M2 oocyte

Answer 40

Intracytoplasmic sperm injection

Question 41

Describe in vitro fertilization

Answer 41

1. collection of ovulated oocytes and semen 2. Fertilization in lab 3. Monitor and implant in uterus

Question 42

Describe intracytoplasmic sperm injection

Answer 42

Direct injection of spermatozoan into oocyte in m2