Zoology, 8th Edition (Miller)

Chapter 25: Communication II: The Endocrine System and Chemical Messengers

Quiz



1.

Chemical messengers are involved in
A)communication.
B)maintaining homeostasis in an animal's body.
C)the body's response to various stimuli.
D)all of the above (a-c).
2.

Cortisol is released from the
A)hypothalamus.
B)anterior pituitary.
C)thyroid.
D)adrenal cortex.
3.

Those chemicals that are released to the exterior of one animal and affect the behavior of another animal are called
A)neurotransmitters.
B)local chemical messengers.
C)pheromones.
D)hormones.
4.

Which of the following is not a type of hormone?
A)carbohydrates
B)polypeptides
C)amines
D)steroids
5.

The fixed-membrane receptor mechanism for hormone action involves hormones that are
A)proteins and amines.
B)carbohydrates and steroids.
C)steroids and polypeptides.
D)carbohydrates and polypeptides.
6.

The mobile-receptor mechanism for hormone action involves hormones that are
A)steroids.
B)carbohydrates.
C)polypeptides.
D)amines.
7.

Hormones in flatworms affect
A)water balance.
B)reproduction.
C)regeneration.
D)more than one answer is correct.
8.

With respect to invertebrates, which of the following has the most advanced endocrine system?
A)echinoderms
B)arthropods
C)annelids
D)molluscs
9.

Frog metamorphosis is regulated by a hormone from the
A)hypothalamus.
B)kidney.
C)adrenal.
D)pineal.
10.

In vertebrates, chromaffin tissue is associated with the
A)brain.
B)adrenal glands.
C)reproductive system.
D)digestive system.
11.

Which of the following is not produced by the anterior lobe of the pituitary gland?
A)STH
B)ACTH
C)FSH
D)all are produced
12.

Which of the following is not produced by the hypothalamus?
A)TSH
B)CRH
C)PIF
D)calcitonin
13.

Epinephrine or adrenaline is produced by the __________ gland(s).
A)adrenal
B)pituitary
C)thyroid
D)parathyroid
14.

Which of the following glands diminishes in size as a vertebrate ages?
A)pituitary
B)pineal
C)hypothalamus
D)thymus
15.

All of the following are hormones of the digestive tract except
A)CCK.
B)gastrin.
C)secretin.
D)atriopeptin.
16.

In vertebrates, the primary endocrine control center is found in the
A)hypothalamus.
B)pineal.
C)both hypothalamus and pineal.
D)adrenal glands.
17.

The kidneys produce the hormone
A)erythropoetin.
B)gastrin.
C)secretin.
D)hCG.
18.

Which hormone stimulates the breakdown of glycogen in the liver?
A)progesterone
B)secretin
C)glucagon
D)oxytocin
19.

Which of the following is not an ovarian hormone?
A)estradiol
B)progesterone
C)capsacin
D)relaxin
20.

Hormones modify the biochemical activity of a target cell or tissue.
A)True
B)False
21.

A hormone is a specialized chemical messenger that an endocrine gland or tissue produces and secretes.
A)True
B)False
22.

The pancreas produces several hormones that help regulate reproductive functions.
A)True
B)False
23.

The adrenal medulla is under control by the brain via sympathetic nerves.
A)True
B)False
24.

Zoologists know more about the endocrine system of invertebrates than of any other animal group.
A)True
B)False
25.

Jawed fishes and primitive tetrapods have ultimobranchial glands.
A)True
B)False
26.

In insects, hormones play a major role in growth, maturation, and reproduction.
A)True
B)False
27.

Classical endocrine glands have been identified in nematodes.
A)True
B)False
28.

Some hormones are secreted by tissues and/or organs that are not exclusively endocrine glands.
A)True
B)False
29.

Circulatory systems arose several times in different animal groups.
A)True
B)False
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Notice before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.