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Ch. 9 The Endocrine System
Marieb - Essentials of Human Anatomy & Physiology 13th Edition
Marieb13th EditionEssentials of Human Anatomy & PhysiologyISBN: 9780135624340당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Marieb 13th EditionCh. 9 The Endocrine System문제 2
9장, 문제 2

More than one choice may apply. Which is generally true of hormones?
a. Exocrine glands produce them.
b. They travel throughout the body in the blood.
c. They affect only non–hormone-producing organs.
d. All steroid hormones produce very similar physiological effects in the body.

검증된 단계별 안내
1
Step 1: Understand the definition of hormones. Hormones are chemical messengers secreted by endocrine glands that regulate physiological processes in the body. They are distinct from substances produced by exocrine glands, which release their products into ducts rather than the bloodstream.
Step 2: Evaluate option (a). Exocrine glands do not produce hormones; they produce substances like sweat, saliva, or digestive enzymes. Hormones are produced by endocrine glands, such as the pituitary, thyroid, and adrenal glands.
Step 3: Evaluate option (b). Hormones are transported throughout the body via the bloodstream, allowing them to reach target cells or organs and exert their effects.
Step 4: Evaluate option (c). Hormones can affect hormone-producing organs as well as non-hormone-producing organs. For example, the pituitary gland secretes hormones that regulate other endocrine glands, such as the thyroid and adrenal glands.
Step 5: Evaluate option (d). Steroid hormones, such as cortisol, estrogen, and testosterone, have diverse physiological effects depending on their specific roles in the body. They do not produce very similar effects; each has a unique function.

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Hormone Production

Hormones are primarily produced by endocrine glands, not exocrine glands. Endocrine glands, such as the pituitary, thyroid, and adrenal glands, secrete hormones directly into the bloodstream, allowing them to travel throughout the body and exert their effects on various target organs.
추천 영상:
13:06
Review of Major Hormones

Hormonal Transport

Hormones are transported through the bloodstream, which serves as a delivery system to carry these chemical messengers to different parts of the body. This transport mechanism enables hormones to reach distant organs and tissues, where they can initiate specific physiological responses.
추천 영상:
13:06
Review of Major Hormones

Hormonal Effects

Hormones can affect a wide range of target organs, including both hormone-producing and non-hormone-producing tissues. Their effects are not limited to specific organs; instead, they can influence various physiological processes across multiple systems in the body, depending on the type of hormone and its receptors.
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가이드 코스
1:32
Effects of the Complement System
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교과서 질문

More than one choice may apply. Which of the following hormones is (are) secreted by neurons?

a. Oxytocin

b. Insulin

c. ADH

d. Cortisol

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교과서 질문

More than one choice may apply. The major endocrine organs of the body

a. Tend to be very large organs

b. Are closely connected with each other

c. All contribute to the same function (digestion)

d. Tend to lie near the midline of the body

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교과서 질문

Match the letter of the digestive organ shown in the figure with its function.

___ produces both endocrine and exocrine secretions


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교과서 질문

More than one choice may apply.

ANP, the hormone secreted by the heart, has exactly the opposite function to this hormone secreted by the outermost zone of the adrenal cortex.

a. Epinephrine

b. Cortisol

c. Aldosterone

d. Testosterone

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