Pituitary Gland

Question 1

Where does the pituitary gland located?

Answer 1

Sella turcica or Turkish saddle (small cavity in the sphenoid bone of the skull)

Question 2

Pituitary gland and hypothalamus is connected by

Answer 2

Infundibular stalk

Question 3

True or False: All pituitary hormones have circadian rhythm

Answer 3

True

Question 4

Pituitqry gland is also known as

Answer 4

Hypophysis

Question 5

What are the region of the hypophysis

Answer 5

Adenohypophysis and Neurohypophysis

Question 6

It is the true endocrine gland

Answer 6

Anterior pituitary (adenohypophysis)

Question 7

It is the true endocrine gland

Answer 7

Anterior pituitary (adenohypophysis)

Question 8

What hormones does the adenohypophysis regulate and produce

Answer 8

FSH, LH, ACTH, GH, TSH, Prolactin (FLAGToP)

Question 9

Types of Cells in the Adenohypophysis by Immunochemical test

Answer 9

Somatotrophs - GH
Lactotrophs - Prolactin
Tyrotrophs - TSH
Gonadotrophs - LH and FSH
Corticotrophs - POMC (proopiomelanocortin)

Question 10

It is the most abundant of all pituitary hormones

Answer 10

GH

Question 11

GH is controlled by

Answer 11

GH-RH and Somatostatin

Question 12

Anabolic and metabolic actions of GH are facilitated by

Answer 12

Somatomedin C

Question 13

The structure of GH is similar to

Answer 13

Prolactin and human placental lactogen

Question 14

The metabolic effect of GH

Answer 14

Metabolize fat stores while conserving glucose

Question 15

Major stimulus of GH

Answer 15

Deep sleep (markedly increase GH)

Question 16

Major inhibitor of GH

Answer 16

Somatostatin

Question 17

Physiologic stimuli of GH (increased GH)

Answer 17

Stress, fasting, high-protein diet

Question 18

Pharmacologic stimuli of GH (increased GH)

Answer 18

Sex steroids, apomorphine, and levodopa

Question 19

GH suppressors

Answer 19

Glococorticoids and elevated fatty acid

Question 20

Significant in increased GH (disorders)

Answer 20

Acromegaly, chronic malnutrition, renal disease, cirrhosis, sepsis, DM

Question 21

Significant in decreased GH (disorders)

Answer 21

GHD, obesity, hypothyroidism

Question 22

Common method for GH

Answer 22

Chemiluminescent Immunoassay

Question 23

Reference value of GH (fasting)

Answer 23

<10 ng/mL

Question 24

it is the most commn cause of of GH deficiency in childrenq

Answer 24

Idiopathoc GH