HORMONES & VITAMINS

Question 1

Which one is not a glycoportien hormone?

a. GH
b. LH
c. FSH
d. TSH
e. HCG

Answer 1

a. GH (somatrophin, ppeptide hormone) –> inhibits insulin

Question 2

Somatomedins

Answer 2

promote cell growth

Question 3

Growth Hormone stimulated chondrogenesis indrectly by using what?

Answer 3

somatomedians

Question 4

What are somatomedians?

Answer 4

group of hormones that promote cell growth & division in response to stimulation by growth hormone (GH, somatotropin)

Question 5

Vit K

Answer 5

blood clotting

Question 6

What is biotin used for

Answer 6

Pyruvate Carboxylase, acetyl CoA (cofactor)

Question 7

Any carbodylase needs ?

Answer 7

biotin cofactor

Question 8

What reaction requires thiamine (B1)

Answer 8

Pyruvate decarboxylase

Question 9

B2 (Riboflavin)

Answer 9

coenzyme FAD & FMN

Question 10

B3 (niacin)

Answer 10

coenzyme NAD

Question 11

B6 (pyridoxine, PLP)

Answer 11

Transamination Rxn (amino acid & nucleic acid metabolism)

Question 12

What is the cofactor involved in transamination?

Answer 12

PLP Vit B6

Question 13

Vit B6 deficiency leads to what?

Answer 13

to peripheral neuropathy & dermatitis

Question 14

B12 (cobalamin)

Answer 14

need intrinsic factor for absorption

Question 15

Lumbar puncture

Answer 15

L3/L4

Question 16

Phosphatidylcholine

Answer 16

Lecithin (phospholipid + choline)

Question 17

Which does not cause Vasoconstriction

Answer 17

Histamine

Question 18

Muscarinic AcH receptors effects

Answer 18

sweating & salivation

Question 19

What hormone is responsible for milk secretion postpartum?

Answer 19

oxytocin

Question 20

Oxytocin ejects breast milk, produced in the paraventricular nucleus of the hypothalamus & stored in the ____________________

Answer 20

posterior pituitary