B8 W2 Flashcards

1
Q

What happens to blood vessels during stroke?

A

They become blocked due to a clot or burst due to hypertension- this occurs in the brain

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2
Q

Why are vasodilators not reccommended after stroke?

A

Causes sudden drop in BP

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3
Q

What is cGMP pathways involved in?

A

Vasodilation of the blood vessels in the body and lungs. It is broken down by phosphodiesterase enzyme

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4
Q

External os

A

Part of the cervical canal that communicates with vagina

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5
Q

Internal os

A

Part of the cervical canal that connects to the uterine body

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6
Q

Fundus

A

Rounded portion of uterus with peritoneum draped over

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7
Q

Male mesonephric duct gives rise to..

A

Wolffian duct which has ductus deferens and epididymis

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8
Q

Collecting tubules of mesonephric duct becomes…

A

Epipdidyis

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9
Q

Uterus formation

A

Paramesonephric duct meet in the midline and fuse, and the wall degrades

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10
Q

Paramesonephric duct

A

Forms proximal 1/3 of vagina, uterus and oviducts/uterine tube

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11
Q

Distal 1/3 of vagina

A

Urogenital sinus

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12
Q

Proximal 1/3 of vagina

A

Paramesonephric duct

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13
Q

Vaginal canal

A

Sinuvaginal bulb

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14
Q

What provides nerves and blood vessels to the uterus?

A

Peritoneum which acts as mesentery of uterus and drapes over it

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15
Q

Ectopic pregnanacy

A

Pregnancy outside the uterus in the peritoneal lining that can cause haemorrhage.

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16
Q

Remnant of gubernaculum in females

A

Round ligament- connects the female gonad to labia majora

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17
Q

Remnant of gubernaculum in males?

A

Connects the testes to the scrotum and inguinal canal

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18
Q

Outermost layer of uterus

A

Perimetrium- it is a layer of peritoneum?

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19
Q

Innermost layer of uterus

A

Endometrium- contains stratum basale and stratum functionale

20
Q

Middle layer of uterus

A

Myometrium- contains uterine artery and branches.

21
Q

Spiral artery

A

Branch of uterine artery which supplies blood to the starcum functionale of the endometrium

22
Q

Which layer of uterus changes during menstruation?

A

Endometrium

23
Q

What layer of the endometrium dies not change during mentrual cycle?

A

Stratum basale

24
Q

Cervix

A

Cinnection between uterus and vagina. Has change in histology from simple columnar epithelia to stratified squamous non keratinising

25
Fornix
Recess in upper vagina when the cervix protrudes into vaginal wall. Posteriorly, it is close to the recto-uterine pouch
26
Blood supply to non-gonadal structures
->Internal iliac artery internal pudendal artery for blood supply to external female genitalia uterine artery -> spiral artery vaginal artery
27
Internal pudendal artery
Provides blood to external female genitalia
28
Roof of perineum
Pelvic diaphragm
29
Ischioanal fossa
Space between pelvic diaphragm and perineal membrane filled with fat
30
Perineal body
Tendinous tissue in midline of perineum. Muscles can insert
31
Perineal pouch
Potential space between perineal membrane. Superior is close to the skin and inferior
32
Pair of erectile female tissue
Vestibular glands. Located at opening vagina below bulbs of vestibule which lubricate vaginal surface for intercourse
33
Pudendal vein drains into....
Vesicle plexus, venous plexus around urinary bladder
34
UK Medical Eligibility criteria
Guidelines for contraceptives
35
Ovarian cycle
Follicular phase, ovulation and luteal phase
36
Menstrual cycle
Menstruation, proliferative and secretory
37
Mean survival of sperm
1.47
38
Indicators of fertility used in fertility awareness methhod of contraceptions
Temperature, cervical secretions, calender, stanard days method
39
Lactational amenorrhea method
Amenorrhoea, fully breast feeding, less than 6/12 post partum
40
Combined hormonal contracpetion action
Inhibits ovulation and reduce LH and FSH. It alters cervical mucus and endometrium
41
What are the prinicples of use of combined hromonal contracpetives?
Use for 7 days, then 7 day free bleed
42
Risk of antibiotics with combined hormonal contracpetion?
Cause diarrhoea, vomiting and may cause loss of pregnancy
43
Liver enzyme inducers
Anti-epileptics, antibacterial, anti-depressant such as St John;s worts and anti-retroviral
44
Advantages of combined hromonal contraception
Regulates menstruation, reduces heavy bleeding. Reduces risk of endometrial and ovarian cancer.
45
Disadvantage of combined hormonal contraception
Increases thromboembolism, increases stroke, breast cancer and cervical cancer
46
Cautions for progesterone contraception
Unexplained vaginal bleeding, CVD and breast cancer
47
Desogestrel
Progesterone pills-Increases volume and viscosity of cervical mucus Causes anovulatory cycles