Quiz 10

Question 1

What is the stimulus, source, target, and effect of CRH (Corticotropin releasing hormone)?

Answer 1

Stimulus:late-night or early morning stress
Source: hypothalamus
Target: anterior pituitary gland
Effect: increase secretion of ACTH (adrenocorticotropic hormone)

Question 2

What is the stimulus, source, target, and effect of ACTH (adrenocorticotropic hormone)?

Answer 2

Stimulus: Stress
Source: Anterior pituitary
Target: zona fasiculata
Effect: Secretion of corticosteroids (cortisol)

Question 3

What is the stimulus, source, target, and effect of cortisol?

Answer 3

Stimulus: increased ACTH levels
Source: zona fasiculata
Target: liver, fat cells, basophils, lymphocytes, muscle cells
Effect: Stress response; increase nutrients in blood

Question 4

What is the stimulus, source, target, and effect of TRH (Thyrotropin releasing hormone)?

Answer 4

Stimulus: Decrease in thyroid hormones
Source: Hypothalamus
Target: anterior pituitary gland
Effect: Promotes secretion of TSH and PRL

Question 5

What is the stimulus, source, target, and effect of TSH (Thyroid stimulating hormone)

Answer 5

Stimulus: TRH
Source: anterior pituitary gland
Target: Thyroid gland
Effect: Growth of Thyroid and secretion of thyroid hormone

Question 6

What is the stimulus, source, target, and effect of TH (thyroid hormone)

Answer 6

Stimulus: TSH
Source: Thyroid gland
Target: follicular cells of thyroid gland
Effect: Increase metabolic rate of cells

Question 7

What is the stimulus, source, target and effect of GHRH (Growth hormone releasing hormone)

Answer 7

Stimulus: Age and time of day (evening)
Source: hypothalamus
Target: anterior pituitary gland
Effect: Promote secretion of growth hormone

Question 8

What is the stimulus, source, target and effect of GH (Growth hormone)?

Answer 8

Stimulus: GHRH
Source: Anterior pituitary
Target: Liver, bone, cartilage, fat
Effect: Tissue growth

Question 9

What is the stimulus, source, target and effect of Insulin?

Answer 9

Stimulus: High blood glucose levels
Source: beta cells
Target: liver and adipose tissue
Effect: lower blood glucose levels

Question 10

What is the stimulus, source, target, and effect of glucagon?

Answer 10

Stimulus: low blood glucose levels
Source: alpha cells
Target: liver and adipose tissue
Effect: Increase blood glucose levels

Question 11

What is the stimulus, source, target, and effect of ADH (antidiuretic hormone)?

Answer 11

Stimulus: dehydration
Source: Hypothalamus
Target: kidneys
Effect: increase water reabsorption in kidneys

Question 12

What is the stimulus, source, target, and effect of aldosterone?

Answer 12

Stimulus: Decreased sodium and increased potassium levels in blood
Source: Zona glomerulosa
Target: blood to kidneys
Effect: increase sodium reabsorption, increase potassium secretion

Question 13

What is the stimulus, source, target and effect of calcitonin?

Answer 13

Stimulus: high levels of calcium in blood
Source: Thyroid gland
Target: osteoclasts
Effect: Decrease blood calcium levels

Question 14

What is the stimulus, source, target and effect of PTH (Parathyroid Hormone) ?

Answer 14

Stimulus: low levels of calcium in blood
Source: parathyroid gland
Target: Osteoclasts
Effect: Increase blood calcium levels

Question 15

What is the stimulus, source, target and effect of Androgens?

Answer 15

Stimulus: N/A
Source: zona reticularis
Target: Gonads
Effect: Female: influence sex drive, Male: Growth of reproductive system

Question 16

What is the stimulus, source, target and effect of GnRH (Gonadotropin releasing hormone)?

Answer 16

Stimulus: low levels of estrogen and testosterone
Source: hypothalamus
Target: Anterior pituitary gland
Effect: Stimulate secretion of LH and FSH

Question 17

What is the stimulus, source, target and effect of LH (Luteinizing hormone)?

Answer 17

Stimulus: GnRH
Source: anterior pituitary gland
Target: Male: Testes, Female: Ovaries
Effect: regulate production and maturation of gametes, hormone synthesis by gonads

Question 18

What is the stimulus, source, target and effect of FSH (Follicle Stimulating Hormone)?

Answer 18

Stimulus: GnRH
Source: anterior pituitary gland
Target: Females: Ovaries, Males: Testes
Effect: regulate production and maturation of gametes, hormone synthesis by gonads

Question 19

What is the stimulus, source, target and effect of PRL (Prolactin)?

Answer 19

Stimulus: Breastfeeding
Source: anterior pituitary gland
Target: mammary glands
Effect: Regulate mammary gland growth and milk production

Question 20

What is the stimulus, source, target and effect of epinephrine?

Answer 20

Stimulus: increase in activity of sympathetic nervous system
Source: Adrenal medulla
Target: blood
Effect: heart rate, breathing rate, fore of contraction of heart increases

Question 21

What is the stimulus, source, target and effect of thymosin?

Answer 21

Stimulus: prior to puberty
Source: thymus gland
Target: thymus
Effect: Maturation of T-lymphocytes

Question 22

What is the stimulus, source, target and effect of PRH (prolactin releasing hormone)?

Answer 22

Stimulus: Pregnancy
Source: hypothalamus
Target: anterior pituitary gland
Effect: Stimulate secretion of prolactin

Question 23

What is the stimulus, source, target and effect of oxytocin?

Answer 23

Stimulus: Childbirth
Source: hypothalamus
Target: mammary glands, smooth muscle of uterus
Effect: Contraction of smooth muscle in uterus, ejection of milk