Forwarded from إثْرَاء 𓂆 (Esraa Ragab)
(وَعَلَى ٱلثَّلَـٰثَةِ ٱلَّذِینَ خُلِّفُوا۟ حَتَّىٰۤ إِذَا ضَاقَتۡ عَلَیۡهِمُ ٱلۡأَرۡضُ بِمَا رَحُبَتۡ وَضَاقَتۡ عَلَیۡهِمۡ أَنفُسُهُمۡ وَظَنُّوۤا۟ أَن لَّا مَلۡجَأَ مِنَ ٱللَّهِ إِلَّاۤ إِلَیۡهِ ثُمَّ تَابَ عَلَیۡهِمۡ لِیَتُوبُوۤا۟ۚ إِنَّ ٱللَّهَ هُوَ ٱلتَّوَّابُ ٱلرَّحِیمُ * یَـٰۤأَیُّهَا ٱلَّذِینَ ءَامَنُوا۟ ٱتَّقُوا۟ ٱللَّهَ وَكُونُوا۟ مَعَ ٱلصَّـٰدِقِینَ)
[سورة التوبة]
[سورة التوبة]
❤4
Which of the following is true about ADH and oxytocin?
Anonymous Quiz
13%
They are synthesized and stored in posterior pituitary
79%
They are synthesized by hypothalamus and stored in post.pituitary
6%
Synthesized by Anterior pituitary
2%
Stored in the Anterior pituitary
When osmotic pressure of the plasma increases, ADH secretion will increase
Anonymous Quiz
75%
True
25%
False
All of the following increase ADH secretion except
Anonymous Quiz
17%
Pain
11%
Emotions
26%
Alcohol intake
30%
Angiotensin 2
15%
Nicotine
Patient presented with water retention& hyponatremia, what is the most possible cause?
Anonymous Quiz
40%
Deficiency of ADH secretion
40%
ADH- Secreting tumor
19%
None of the above
All of these are manifestation of Diabetes insipidus patient except
Anonymous Quiz
5%
Polydipsia
10%
Loss of vitamins in urine
31%
Increase BMR
55%
Decreased urine output
All of these effects are true about action of Oxytocin (on pregnant uterus) except
Anonymous Quiz
5%
Contraction, helps delivery
17%
After labor, helps involution of the uterus
49%
Stimulates post partum hemorrhage
29%
None of the above
👍1
Which of the following is true about OXYTOCIN action
Anonymous Quiz
32%
Milk retention
12%
Decrease ejaculation in males
39%
Help transport of sperms from vagina to uterine tubes
17%
Relaxtion of the uterus
👍1
Control of secretion of Oxytocin:
1- Suckling
2- labour: cervix dilatation
3- Coitus
4- Conditioned reflexes: milk ejection in women in response to sight and sound of the her baby
2- labour: cervix dilatation
3- Coitus
4- Conditioned reflexes: milk ejection in women in response to sight and sound of the her baby
‼️Which feedback mechanism is most commonly involved in regulating hormone secretion?
Anonymous Quiz
5%
Positive feedback
71%
Negative feedback
14%
Reflex control
10%
Feedforward control
✨How are hormones transported from the hypothalamus to the anterior pituitary?
Anonymous Quiz
21%
Axonal transmission through the hypothalamic-hypophysial tract
69%
Hypothalamic-hypophysial portal circulation
8%
Systemic blood circulation
3%
Passive diffusion across the median eminence
What is the basal level of Growth Hormone (GH) in normal adult humans?
Anonymous Quiz
21%
6 ng/ml
41%
1.5–3 ng/ml
21%
10 ng/ml
18%
0.5–1 ng/ml
How does GH secretion change with age?
Anonymous Quiz
14%
It increases continuously after adolescence
14%
It remains constant throughout life
51%
It decreases to about 25% of adolescent levels in old age
22%
It stops entirely after adolescence