BIOL 2402: Exam 1

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1

Virtually all of the protein or amino acid-based hormones exert their effects through intracellular .

second messengers

2

Gluconeogenesis occurs in the live due to the action of .

cortisol

3

What is NOT a category of endocrine gland stimulus?

enzyme

4

What is NOT a cardinal sign of diabetes mellitus?

polycythemia

5

Oxytocin .

release is an example of a positive feedback control mechanism

6

What is NOT a change typically produced by hormonal stimulus?

stimulates production of an action potential

7

The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on .

the presence of the appropriate receptors on the cells of the target tissue or organ

8

Several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through the .

hypophyseal portal system

9

Steroid hormones exert their action by .

entering the nucleus of a cell and initiating or altering the expressions of a gene

10

When it becomes necessary to enlist the fight or flight response, a hormone that is released during the alarm phase of the general adaptation syndrome is .

epinephrine

11

Which organ is responsible for synthesizing ANP?

the heart

12

Leptin is secreted by .

adipocytes

13

The most important mineralocorticoid regulator of electrolyte concentrations in extracellular fluids is .

aldosterone

14

Which of the following is necessary for the production of thyroid hormone?

calcium

15

FSH and LH are released from the .

anterior pituitary

16

Which of the following hormones has an anti-inflammatory effect?

cortisol

17

The secretion of helps regulate our circadian rhythms.

melatonin

18

Addison's disease

hyposecretion of the adrenal cortex

19

Grave's disease

an autoimmune problem involving the thyroid gland

20

Acromegaly

hypersecretion of growth hormone

21

Pituitary dwarfism

hyposecretion of growth hormone

22

Cushing's disease

hypersecretion of the adrenal cortex