Question 1

Which glands secrete calcitonin in jawed fishes and primitive tetrapods?

Accepted Answer

A) parathyroid glands 
B) thyroid glands 
C) ultimobranchial glands 
D) thymus glands 
E) pineal glands 
A) parathyroid glands 
B) thyroid glands 
C) ultimobranchial glands 
D) thymus glands 
E) pineal glands C

Question 2

Endocrine glands produce substances called

Accepted Answer

A) hormones. 
B) pheromones. 
C) neurotransmitters. 
D) lumones. 
E) histamines. 
A) hormones. 
B) pheromones. 
C) neurotransmitters. 
D) lumones. 
E) histamines. A

Question 3

Hormones that are biochemically __________ usually involve a "second messenger" to accomplish their action.

Accepted Answer

A) steroids 
B) aldehydes 
C) amines 
D) phospholipids 
E) glycerides 
A) steroids 
B) aldehydes 
C) amines 
D) phospholipids 
E) glycerides C

Question 4

The pituitary gland is also called the

Accepted Answer

A) infundibulum. 
B) hypophysis. 
C) epiphysis. 
D) hypothalamus. 
E) neurothalamus. 
A) infundibulum. 
B) hypophysis. 
C) epiphysis. 
D) hypothalamus. 
E) neurothalamus.

Question 5

The adrenal medulla

Accepted Answer

A) contains neurosecretory cells controlled by areas of the brain. 
B) is controlled by the pituitary. 
C) secretes only when glucose levels are low. 
D) functions independently of nerves and nerve cells. 
E) coordinates digestive processes. 
A) contains neurosecretory cells controlled by areas of the brain. 
B) is controlled by the pituitary. 
C) secretes only when glucose levels are low. 
D) functions independently of nerves and nerve cells. 
E) coordinates digestive processes.

Question 6

The pineal gland of fish appears to respond to __________ that enables it to aid in synchronizing activity patterns.

Accepted Answer

A) light 
B) temperature 
C) water quality 
D) electric charges 
E) ion concentration 
A) light 
B) temperature 
C) water quality 
D) electric charges 
E) ion concentration

Question 7

The group of hormones known as __________ helps to regulate menstrual and estrus cycles.

Accepted Answer

A) androgens 
B) cortisols 
C) estrogens 
D) parathormones 
E) mineralocorticoids 
A) androgens 
B) cortisols 
C) estrogens 
D) parathormones 
E) mineralocorticoids

Question 8

The study of endocrine glands and their hormones is called

Accepted Answer

A) histology. 
B) neurology. 
C) physiology. 
D) endocrinology. 
E) neurobiology. 
A) histology. 
B) neurology. 
C) physiology. 
D) endocrinology. 
E) neurobiology.

Question 9

A substance that stimulates the excretion of urine is called a

Accepted Answer

A) vasopressor. 
B) corticotrophin. 
C) diuretic. 
D) somatomedin. 
E) lutenizer. 
A) vasopressor. 
B) corticotrophin. 
C) diuretic. 
D) somatomedin. 
E) lutenizer.

Question 10

What do hormones released by the bursa of Fabricius regulate?

Accepted Answer

A) maturation of white blood cells 
B) timing of molting 
C) production of compounds necessary for egg hardening 
D) testosterone levels 
E) incubation temperature 
A) maturation of white blood cells 
B) timing of molting 
C) production of compounds necessary for egg hardening 
D) testosterone levels 
E) incubation temperature

Question 11

Parathormone (PTH)regulates the concentration of __________ in the blood of mammals.

Accepted Answer

A) Fe++ 
B) Cl- 
C) Na+ 
D) ATP 
E) Ca++ 
A) Fe++ 
B) Cl- 
C) Na+ 
D) ATP 
E) Ca++

Question 12

In insects,the hormone __________ induces molting.

Accepted Answer

A) ecdysiotropin 
B) prothoracicotropic hormone 
C) ecdysone 
D) bursicon 
E) juvenile hormone 
A) ecdysiotropin 
B) prothoracicotropic hormone 
C) ecdysone 
D) bursicon 
E) juvenile hormone

Question 13

The receptor mechanism used by steroid hormones involves stimulation of

Accepted Answer

A) actin-myosin synthesis. 
B) phosphorylation mechanisms. 
C) lipid synthesis. 
D) carbohydrate hydrolysis. 
E) protein synthesis. 
A) actin-myosin synthesis. 
B) phosphorylation mechanisms. 
C) lipid synthesis. 
D) carbohydrate hydrolysis. 
E) protein synthesis.

Question 14

Peptide hormones produced by the thymus include

Accepted Answer

A) thyroxine and thyrotropin. 
B) troponin and seratonin. 
C) tyrosine and hemopoietin. 
D) thyroxine and thymosin. 
E) thymopoietin and thymosin. 
A) thyroxine and thyrotropin. 
B) troponin and seratonin. 
C) tyrosine and hemopoietin. 
D) thyroxine and thymosin. 
E) thymopoietin and thymosin.

Question 15

Hormones circulate through __________ to the body area on which they will have an effect.

Accepted Answer

A) apocrine canals 
B) target cells 
C) body fluids 
D) nerve processes 
E) exocrine ducts 
A) apocrine canals 
B) target cells 
C) body fluids 
D) nerve processes 
E) exocrine ducts

Question 16

One of the hormones stored,and then released by the neurohypophysis is

Accepted Answer

A) thyroxine. 
B) ACTH. 
C) diuretic. 
D) MSH. 
E) oxytocin. 
A) thyroxine. 
B) ACTH. 
C) diuretic. 
D) MSH. 
E) oxytocin.

Question 17

In fishes,the __________ are the most important producers of hormones.

Accepted Answer

A) brain and pituitary gland 
B) adrenal and pituitary glands 
C) pancreas and adrenal glands 
D) hypothalamus and pituitary glands 
E) brain and spinal cord 
A) brain and pituitary gland 
B) adrenal and pituitary glands 
C) pancreas and adrenal glands 
D) hypothalamus and pituitary glands 
E) brain and spinal cord

Question 18

It seems likely that the chemicals regulating __________ were among the first to appear during the course of animal evolution.

Accepted Answer

A) growth, maturation, and reproduction 
B) feeding, digestion, and absorption 
C) urine formation and excretion 
D) body temperature 
E) molting 
A) growth, maturation, and reproduction 
B) feeding, digestion, and absorption 
C) urine formation and excretion 
D) body temperature 
E) molting

Question 19

In birds,the hormone ______________ leads to the appearance of a brood patch which helps to transfer heat to the developing embryos during incubation.

Accepted Answer

A) calcitonin 
B) prolactin 
C) urotensin 
D) insulin 
E) oxytocin 
A) calcitonin 
B) prolactin 
C) urotensin 
D) insulin 
E) oxytocin

Question 20

The bursa of Fabricius is an endocrine structure found only in

Accepted Answer

A) mammals. 
B) amphibians. 
C) birds. 
D) protozoans. 
E) sponges 
A) mammals. 
B) amphibians. 
C) birds. 
D) protozoans. 
E) sponges

Exam 25: Communication II: the Endocrine System and Chemical Messengers

Which glands secrete calcitonin in jawed fishes and primitive tetrapods?

Endocrine glands produce substances called

Hormones that are biochemically __________ usually involve a "second messenger" to accomplish their action.

The pituitary gland is also called the

The adrenal medulla

The pineal gland of fish appears to respond to __________ that enables it to aid in synchronizing activity patterns.

The group of hormones known as __________ helps to regulate menstrual and estrus cycles.

The study of endocrine glands and their hormones is called

A substance that stimulates the excretion of urine is called a

What do hormones released by the bursa of Fabricius regulate?

Parathormone (PTH)regulates the concentration of __________ in the blood of mammals.

In insects,the hormone __________ induces molting.

The receptor mechanism used by steroid hormones involves stimulation of

Peptide hormones produced by the thymus include

Hormones circulate through __________ to the body area on which they will have an effect.

One of the hormones stored,and then released by the neurohypophysis is

In fishes,the __________ are the most important producers of hormones.

It seems likely that the chemicals regulating __________ were among the first to appear during the course of animal evolution.

In birds,the hormone ______________ leads to the appearance of a brood patch which helps to transfer heat to the developing embryos during incubation.

The bursa of Fabricius is an endocrine structure found only in

Zoology: an Evolutionary and Ecological Perspective

Cells, tissues, organs, and Organ Systems of Animals

Cell Division and Inheritance

Evolution: History and Evidence

Evolution and Gene Frequencies

Ecology: Preserving the Animal Kingdom

Animal Taxonomy, phylogeny, and Organization

Animal-Like Protists: the Protozoa

Multicellular and Tissue Levels of Organization

The Smaller Lophotrochozoan Phyla

Molluscan Success

Annelida: the Metameric Body Form

The Smaller Ecdysozoan Phyla

The Arthropods: Blueprint for Success

The Pancrustacea: Crustacea and Hexapoda

Ambulacraria: Echinoderms and Hemichordates

Chordata: Urochordata and Cephalochordata

The Fishes: Vertebrate Success in Water

Amphibians: the First Terrestrial Vertebrates

Reptiles: Diapsid Amniotes

Birds: Reptiles by Another Name

Mammals: Synapsid Amniotes

Protection, support, and Movement

Communication I: Nervous and Sensory Systems

Circulation and Gas Exchange

Nutrition and Digestion

Temperature and Body Fluid Regulation

Reproduction and Development

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