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periodical test q 4 > science > Flashcards

science Flashcards

1
Q

provides one of the means by which organ systems communicate and it produces hormones that affect growth, development, and homeostasis.

A

Endocrine system

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2
Q

is an organ whose cells secrete materials to be brought to the different regions of the body. Sometimes via tubelike structures called ducts.

A

gland

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3
Q

are ductless glands that secrete hormones directly into either the bloodstream or the fluid around the cells (extracellular fluid)

A

endocrine glands

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4
Q

a cell can only interact with?

A

a specific membrane receptor

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5
Q

The endocrine system coordinates all the body’s sources of hormones.

May control:

A 
Cell division
Cell death
Sexual development
Body temperature
Alertness
Salt levels
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6
Q

to secrete hormones into the bloodstream to regulate the glucose concentration in the blood.

A

the endocrine function

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7
Q

is to produce digestive enzymes and deliver them to the small intestine through the pancreatic duct

A

exocrine function

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8
Q

The chemical signals made by the endocrine system are called

A

hormones

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9
Q

is maintained and regulated through feedback mechanism.

A

Hormone regulation

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10
Q

detect and adjust the amount of hormones circulating in the blood or the amount of chemicals produced by an initial hormone action.

A

Feedback mechanisms

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11
Q

an increased hormone secretion is enhanced to produce even more hormones.

A

Positive feedback mechanism

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12
Q

A negative feedback counteracts the production of more hormones. It decreases the deviation of the hormone level from the normal value.

A

Negative feedback mechanishm

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13
Q

makes hormones that control the pituitary gland. In addition, it makes hormones that are stored in the pituitary gland.

A

Hypothalamus

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14
Q

What is the another name for pituitary gland

A

hypothesis

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15
Q

hormones that gets released when we are stressed

A

cortisol

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16
Q

is involved in digestive, endocrine and exocrine system

A

pancreas

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17
Q

Pituitary gland is considered as

A

the master gland

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18
Q

Also known as the butterfly gland

A

Thyroid

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19
Q

A type of white blood cell that the thymus produces

A

t - cell ( telemphocites)

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20
Q

Adrenal means?

A

Above the kidney

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21
Q

releases melatonin, which is involved in rhythmic activities, such as daily sleep-wake cycles.

A

Pineal gland

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22
Q

produces hormones that regulate many of the other endocrine glands.

A

Pituitary gland

23
Q

produces thyroxine,

A

Thyroid

24
Q

hormone that regulates metabolism

A

thyroxine

25
Q

regulate the level of calcium in the blood.

A

Parathyroid glands

26
Q

produces insulin and glucagon, which regulate the level of glucose in the blood.

A

Pancreas

27
Q

releases thymosin, which stimulates Tcell development

A

Thymus

28
Q

produce estrogen and progesterone.

A

Ovaries

29
Q

s required for the development of secondary sex characteristics and for the development of eggs.

A

Estrogen

30
Q

prepares the uterus for a fertilized egg.

A

Progesterone

31
Q

produce testosterone, which is responsible for sperm production and the development of male secondary sex characteristics

A

testis (testes)

32
Q

release epinephrine and norepinephrine, which help the body deal with stress.

A

Adrenal glands

33
Q

Located at the base of the brain and attached to pituitary gland.

A

Hypothalamus

34
Q

Link between nervous system and the endocrine system.

Controls pituitary secretions.

A

Hypothalamus

35
Q

Controls sensation and hormone levels in the body.

A

Hypothalamus

36
Q

This gland is a part of the brain that consists of neurosecretory cells.

A

Hypothalamus

37
Q

secretes various releasing hormones like gonadotropin-releasing hormones, growth hormone-releasing hormones.

A

hypothalamus

38
Q

Stimulates kidneys to keep water

A

Antidiuretic (ADH)

39
Q

are also released (hormones responsible for reducing feeling of pain)

A

endorphins

40
Q

Stimulates milk production in women

A

Prolactin

41
Q

What is T3

A

triiodothyronine

42
Q

What is t4

A

thyroxine

43
Q

An excess of T3 and T4 in the blood can lead to a condition known as

A

hyperthyroidism

44
Q

hormone that lowers the blood calcium levef in the body.

A

calcitonin

45
Q

It is responsible for the development of the defense system of the body against disease causing organisms.

A

Thymus

46
Q

rests on the heart and functions as a “schoolhouse” for immune cells

A

thymus

47
Q

pancreas produce two types of hormones;

I

A

insulin and glucagon

48
Q

keeps the level of blood sugar under normal condition.

A

insulin

49
Q

increases the level of sugar in the body by speeding up glycogen conversion in the liver.

A

glucagon

50
Q

produces hormones that controls sex

A

adrenal cortex

51
Q

located near the thalamus of the brain, where the two halves of the brain join.

A

Pineal gland

52
Q

melatonin has two primary functions in humans—

A

to help control your circadian (or biological) rhythm and regulate certain reproductive hormones.

53
Q

is a 24-hour biological cycle characterized by sleep-wake patterns.

A

circadian rhythm

periodical test q 4 (8 decks)

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