Exam: endocrine system (8th grade) - JULIANA GUTIERREZ RICO | Biblioteka

1

Acne is an infection that occurs in an exocrine gland which its function is to produce oils to lubricate the hairs and skin, these exocrine glands are called

Bile

Gastric

Sweat

Sebaceous

1

Do hormonal doping methods have secondary effects on the athlete's bodies? Explain your answer

Tačno

Netačno

1

Why is the pituitary gland considered the "master gland"?

Because is the only endocrine gland located in the brain.

Beacuse it produces all the needed hormones of the body.

Beacuse it determines all the emotions and sensations of the body

Because it controls and regulates the actions of other glands.

1

Study the picture and choose the gland that present the problem:

Pineal gland

Thyroid gland

Hypothalamus gland

Pituitary gland

1

Which of these characteristics is/are correctly describing the endocrine system?

Uses hormones as chemical messengers.

Releases substances outside of the body.

It is first messenger system of the body.

All of the above are true

1

What are some of the functions of the hypothalamus?

Controls the calcium levels in our blood, in our bones, and throughout our body.

Regulates the water balance, the hunger and satiety sensations, and the body temperature.

Produces a hormone that stimulates the immune response.

Regulates daily body rhythms, most importantly circadian rhythm (the wake/sleep cycle).

1

The steorids are:

all of them are true

natural hormones produced by the glands in our body.

synthetic hormones illegally used by athletes as a method of doping.

artificial hormones used as medicine for some diseases.

1

The production of the dopamine hormone is sensitive to light: at night, the dopamine levels increase, while in the day the dopamine levels decrease, making you fell awake.

Tačno

Netačno

1

It is the principal characteristic of an endocrine gland:

Uses electric messages or impulses that are released into the blood.

The substances produced travel through ducts.

Uses chemical messages (hormones) that are released into the blood.

Substances are deposited onto epithelial surfaces.

1

This image is an analogy of how a hormone acts in a target cell. The door lock representes a protein receptor that recognizes the hormone changing the normal functioning of a cell.
In this case, the insulin hormone allows the entrance of glucose in the cells. According to this analogy the key and the boy represent:

Key: insulin/ Boy: cells

Key: Cells / Boy: Glucose

Key: glucose / Boy: cells

Key: insulin/ Boy: glucose