Test 2

Question 1

Stimulate fat metabolism

Answer 1

Tyroid hormones

Question 2

In hyperthyroidism, one might see

Answer 2

Loss of muscle mass, high anxiety, exopthalamus, a high metabolic rate

Question 3

could cause hypothyroidism

Answer 3

Goitrogenic substances found in cabbage, an autoimmune attack on the thyroid
Gland, inadequate iodine in the diet, a genetic defect for TRH receptors

Question 4

Thyroid hormone’s mechanism of action is similar to that of

Answer 4

Steroids

Question 5

Thyroid hormones help the body cope with a cold environment by

Answer 5

Stimulating ATP production, appetite, the # and size of mitochondria, heat produc

Question 6

The ability of the thyroid gland to respond to the temp o/t environment is dependent on

Answer 6

The ability of the hypothalamus to detect changes in body temp

Question 7

Myxedema is a sign of

Answer 7

Hyperthyroidism

Question 8

Hormones which act inside a cell must be

Answer 8

Lipid soluble

Question 9

Is the major form of thyroid hormone that circulates in blood

Answer 9

Thyroxin

Question 10

To make thyroid hormones the thyroid follicle cell must

Answer 10

Be able to trap iodine, oxidize iodine, make thyroglobulin, cleave T3 & T4

Question 11

Act only on the cells that have receptors for them

Answer 11

Hormones

Question 12

Have similar mechs of action, act inside the cell, influence gene transcription

Answer 12

Steroid hormones and thyroid hormones

Question 13

Pro-opiomelanocortin is produced by the

Answer 13

Anterior pituitary as a precursor for ACTH, endorphins, and MSH

Question 14

Which of the following elevates mood and decreases sensitivity to pain

Answer 14

Endorphins

Question 15

An individual with high levels of cortisol receptors above the waist and high levels of Insulin receptors below the waist is likely to have a body shape that resembles

Answer 15

Pear (gynoid)

Question 16

Which of the following is not a symptom of Cushing’s disease

Answer 16

Low blood pressure

Question 17

A pheochromocytoma that produces Epinephrine, Dopamine, and Norepi will
Cause

Answer 17

heart palptations, high anxiety, abdominal pain, and nausea

Question 18

Alpha and beta adrenergic receptors differ from each other in that

Answer 18

Alpha and beta receptors activate different 2nd messenger systems

Question 19

Epinephrine stimulates

Answer 19

The rate of blood coagulation

Question 20

Which of the following is a response mediated by alpha adrenergic receptors?

Answer 20

vasoconstriction

Question 21

Often mediate opposite responses, can be blocked by different compounds, can be
Found on the same cells in different proportions

Answer 21

Alpha and beta adrenergic receptors

Question 22

When norepinephrin acts as a hormone

Answer 22

It has more enzymes acting to destroy it than it has as a neurotransmitter

Question 23

Insulin and GH synergize in their actions on

Answer 23

Metabolism of protein, DNA, CHO, fat

Question 24

Pancreatic somatostatin

Answer 24

Suppresses insulin secretion

Question 25

Glucagon stimulates

Answer 25

Insulin secretion

Question 26

does not stimulate glucagons secretion

Answer 26

High blood glucose

Question 27

What stimulates insulin secretion

Answer 27

Digestive tract hormones, the vagus nerve in response to thoughts of food, AA

Question 28

The symptoms of high blood glucose, acidosis, rapid weight loss and irrational behavior are most typical of

Answer 28

Diabetes type 1 (insulin dependent)

Question 29

Is due to a post receptor defect is response to insulin

Answer 29

Diabetes type 2

Question 30

In the prediabetic state, a person with diabetes type 2 is likely to experience

Answer 30

A tendency to gain weight easily

Question 31

Lowers blood glucose levels\

Answer 31

Insulin

Question 32

When rising thyroid hormones act in negative feedback on TSH secretion they

Answer 32

Act on the anterior pituitary

Question 33

Reproductive problems can be seen in cases of

Answer 33

Hyperthyroidism, hypothyroidism, pan-hypo pituitary conditions, excess prolactin

Question 34

The hypothalamus synthesizes

Answer 34

CRH

Question 35

Needs to be supplemented with thyroid hormone to avoid severe growth and Mental retardation

Answer 35

A child born without a functioning thyroid gland

Question 36

Thyroid hormones

Answer 36

Enter the cell and regulate gene expression (like steroids)

Question 37

Cholesterol side chain cleavage

Answer 37

The rate limiting step in cortisol production

Question 38

21 carbon steroids

Answer 38

Progestins

Question 39

Which of the following is the precursor for all of the others (steroids)

Answer 39

cholesterol

Question 40

The zona glomerulosa produces

Answer 40

Aldosterone

Question 41

Aldosterone secretion is directly stimulate by

Answer 41

Angiotensin 2

Question 42

Rennin is secreted in response to

Answer 42

Sympathetic stimulation of the kidney

Question 43

Aldosterone stimulates

Answer 43

K+ secretion in urine

Question 44

Atrial Natruretic hormone

Answer 44

Stimulates the secretion of Na+ in urine

Question 45

Corticotrophin is produced by the

Answer 45

Anterior pituitary

Question 46

Atrial Natriuretic hormone is produced by the

Answer 46

Heart

Question 47

If the liver is diseased and unable to metabolize aldosterone

Answer 47

Elevated blood levels of aldosterone will contribute to hypertension

Question 48

Renin production is stimulated by

Answer 48

Low blood pressure sensed by the juxta glomerular cells

Question 49

In the total absence of cortisol and aldosterone

Answer 49

Severe loss of blood volume will lead to circulatory shock

Question 50

On a boring day the highest levels of cortisol will be observed

Answer 50

Around 7-8am (prior to breakfast)

Question 51

Cortisol stimulates

Answer 51

Protein synthesis by muscle

Question 52

Which of the following stimulates cortisol secretion

Answer 52

Pain or injury, emotional stress, cytokines produced by the immune system

Question 53

Excessively high levels of cortisol

Answer 53

suppress the immune system

Question 54

Cortisol exerts negative feedback action on the

Answer 54

Limbic system, hypothalamus, anterior pituitary

Question 55

Theca interna cells secrete

Answer 55

Androgens

Question 56

Insulin stimulates

Answer 56

Lipogenesis

Question 57

Which of the following can bind to aldosterone receptors

Answer 57

Cortisol, aldosterone, progesterone