Harvluck B8 W3

Question 1

Produced by adipose tissue to reduce appetite

Answer 1

Leptin

Question 2

Redundancy

Answer 2

Molecular signals and neural circuits create a “drive to eat”

Question 3

Location of ghrelin release?

Answer 3

Enteroendocrine cells in the stomach majorly and episorelin cells in pancreas

Question 4

Regions with high density to appetite signals

Answer 4

Arcuate and ventromedial hypothalamus and hindbrain

Question 5

Absence of semen due to retrograde ejaculation

Answer 5

Aspermia

Question 6

Cause of initial weight loss

Answer 6

Glycogen and water

Question 7

Temperature for testis to work

Answer 7

35 degrees

Question 8

Internal factors

Answer 8

Biological factors for food and appetite via hypothalamus signalling

Question 9

Absence of semen

Answer 9

Azoospermia

Question 10

Satiety hormone released from intestines

Answer 10

Peptide YY produced by intestinal L cells

Question 11

Receives projections from the arcuate and ventromedial nucleus of hypothalamus

Answer 11

Paraventricular nucleus

Question 12

Normal ml of ejaculate produced?

Answer 12

2-5ml

Question 13

What forms blood testis barrier?

Answer 13

Testosterone from Leydig cells and FSH from primordial germ cells

Question 14

Populations of neurons in the hypothalamus which control appetite

Answer 14

Melanocortin stimulating hormone- reduce appetite
Neuropeptide Y- increases appetite

Question 15

Globospermia

Answer 15

Type of teratospermia with abnormal morphology

Question 16

Variation in these make wieght loss difficult for some

Answer 16

Melanocortin stimulating hormone and neruopeptide Y

Question 17

GnRH antagonist

Answer 17

Treats prostate cancer

Question 18

Envrionmental factors for type 2 diabetes

Answer 18

Poor maternal nutrition and thrifty phenotype

Question 19

Where are acrosomes cap synthesised?

Answer 19

Golgi apparatus

Question 20

Neuropeptide Y

Answer 20

Released by neurons in the hypothalamus to increase appetite by acting on Y1 and Y5 receptors

Question 21

Gynoid obesity

Answer 21

Pear shaped look with fat in hips and thighs