Question 1

The adrenal medulla produces

Accepted Answer

A) mineralocorticoids. 
B) epinephrine. 
C) cortisol. 
D) testosterone. 
E) glucocorticoids. 
A) mineralocorticoids. 
B) epinephrine. 
C) cortisol. 
D) testosterone. 
E) glucocorticoids. B

Question 2

A decrease in cortisol triggers a negative feedback loop and causes release of

Accepted Answer

A) adrenocorticotropin. 
B) cortisol. 
C) corticotropin releasing hormone. 
D) insulin. 
E) thyroxine. 
A) adrenocorticotropin. 
B) cortisol. 
C) corticotropin releasing hormone. 
D) insulin. 
E) thyroxine. C

Question 3

Possible complications of diabetes include all EXCEPT

Accepted Answer

A) blindness. 
B) gum disease. 
C) kidney failure. 
D) memory loss. 
E) lower limb amputation. 
A) blindness. 
B) gum disease. 
C) kidney failure. 
D) memory loss. 
E) lower limb amputation. D

Question 4

Symptoms of Cushing's syndrome frequently include all EXCEPT which of these?

Accepted Answer

A) impaired memory 
B) rounded "moon face" 
C) low white cell counts 
D) low blood sugar 
E) slow wound healing 
A) impaired memory 
B) rounded "moon face" 
C) low white cell counts 
D) low blood sugar 
E) slow wound healing

Question 5

A surge in __________ triggers tadpole metamorphosis.

Accepted Answer

A) testosterone 
B) cortisol 
C) atrazine 
D) thyroid hormone 
E) pheromones 
A) testosterone 
B) cortisol 
C) atrazine 
D) thyroid hormone 
E) pheromones

Question 6

Which of the following statements is (are) true?

Accepted Answer

A) The anterior pituitary gland is essentially nervous tissue. 
B) The anterior pituitary gland secretes only two hormones. 
C) The posterior pituitary gland is the master gland. 
D) The posterior pituitary gland only stores and releases hormones produced by the hypothalamus. 
E) All of these are true. 
A) The anterior pituitary gland is essentially nervous tissue. 
B) The anterior pituitary gland secretes only two hormones. 
C) The posterior pituitary gland is the master gland. 
D) The posterior pituitary gland only stores and releases hormones produced by the hypothalamus. 
E) All of these are true.

Question 7

The pancreatic secretions governing glucose levels are precisely controlled by

Accepted Answer

A) neural connections to the pancreas. 
B) the blood-brain barrier. 
C) cooperative interactions. 
D) feedback mechanisms. 
E) releasing factors. 
A) neural connections to the pancreas. 
B) the blood-brain barrier. 
C) cooperative interactions. 
D) feedback mechanisms. 
E) releasing factors.

Question 8

Estrogens from birth control pills

Accepted Answer

A) are excreted in the urine. 
B) are removed during standard wastewater treatment. 
C) can cause female fish to develop male traits. 
D) have different effects in fish than those of industrial estrogen-mimicking pollutants. 
E) do none of these. 
A) are excreted in the urine. 
B) are removed during standard wastewater treatment. 
C) can cause female fish to develop male traits. 
D) have different effects in fish than those of industrial estrogen-mimicking pollutants. 
E) do none of these.

Question 9

A simple goiter is an enlarged form of which gland?

Accepted Answer

A) adrenal 
B) pancreas 
C) thyroid 
D) parathyroid 
E) thymus 
A) adrenal 
B) pancreas 
C) thyroid 
D) parathyroid 
E) thymus

Question 10

Hormones are distributed throughout the body by the __________ system.

Accepted Answer

A) exocrine 
B) lymphatic 
C) nervous 
D) circulatory 
E) integumentary 
A) exocrine 
B) lymphatic 
C) nervous 
D) circulatory 
E) integumentary

Question 11

Which of the following is false about type 2 diabetes?

Accepted Answer

A) It has a genetic basis. 
B) It can result from insulin shock. 
C) Obesity and sedentary lifestyles put one at increased risk. 
D) Target cells do not respond normally to insulin. 
E) Rates are currently soaring, and the disease is now a serious public health issue. 
A) It has a genetic basis. 
B) It can result from insulin shock. 
C) Obesity and sedentary lifestyles put one at increased risk. 
D) Target cells do not respond normally to insulin. 
E) Rates are currently soaring, and the disease is now a serious public health issue.

Question 12

Insulin directly affects the

Accepted Answer

A) secretion of saliva. 
B) storage of proteins. 
C) secretion of pancreatic juices. 
D) metabolism of glucose. 
E) utilization of fat reserves. 
A) secretion of saliva. 
B) storage of proteins. 
C) secretion of pancreatic juices. 
D) metabolism of glucose. 
E) utilization of fat reserves.

Question 13

If you skip a meal, which of the following conditions will prevail?

Accepted Answer

A) Insulin levels will rise. 
B) Glucagon levels will rise. 
C) Glycogen will be converted to glucose. 
D) Insulin levels will rise, and glycogen will be converted to glucose. 
E) Glucagon levels will rise, and glycogen will be converted to glucose. 
A) Insulin levels will rise. 
B) Glucagon levels will rise. 
C) Glycogen will be converted to glucose. 
D) Insulin levels will rise, and glycogen will be converted to glucose. 
E) Glucagon levels will rise, and glycogen will be converted to glucose.

Question 14

An excess of estrogen like molecules can have which of the following effects on males?

Accepted Answer

A) lower sperm production 
B) increase hair growth 
C) tumor growth on the surface of the testes 
D) increased reproduction 
E) all of these 
A) lower sperm production 
B) increase hair growth 
C) tumor growth on the surface of the testes 
D) increased reproduction 
E) all of these

Question 15

Which of the following is true of type 1 diabetes?

Accepted Answer

A) Insulin levels are near normal. 
B) Target cells do not respond normally to insulin. 
C) It is the more common form of diabetes. 
D) It is thought to be an autoimmune disease. 
E) It usually occurs in middle-aged people. 
A) Insulin levels are near normal. 
B) Target cells do not respond normally to insulin. 
C) It is the more common form of diabetes. 
D) It is thought to be an autoimmune disease. 
E) It usually occurs in middle-aged people.

Question 16

Beta cells of the pancreas secrete

Accepted Answer

A) glucagon. 
B) glycogen. 
C) insulin. 
D) somatostatin. 
E) digestive enzymes. 
A) glucagon. 
B) glycogen. 
C) insulin. 
D) somatostatin. 
E) digestive enzymes.

Question 17

Excess glucose is converted into glycogen in

Accepted Answer

A) the pancreas. 
B) the liver. 
C) the thymus. 
D) the thyroid. 
E) none of these. 
A) the pancreas. 
B) the liver. 
C) the thymus. 
D) the thyroid. 
E) none of these.

Question 18

When investigators exposed embryos of African clawed frogs to lake-water samples from "hot spots,"

Accepted Answer

A) many of the tadpoles that developed had deformities. 
B) some resulting tadpoles never metamorphosed. 
C) the effects could be reduced by adding supplemental thyroid hormone. 
D) all of these occurred. 
E) none of these occurred. 
A) many of the tadpoles that developed had deformities. 
B) some resulting tadpoles never metamorphosed. 
C) the effects could be reduced by adding supplemental thyroid hormone. 
D) all of these occurred. 
E) none of these occurred.

Question 19

The pituitary gland is controlled by the

Accepted Answer

A) pons. 
B) corpus callosum. 
C) medulla oblongata. 
D) thalamus. 
E) hypothalamus. 
A) pons. 
B) corpus callosum. 
C) medulla oblongata. 
D) thalamus. 
E) hypothalamus.

Question 20

One purpose of the endocrine system is to

Accepted Answer

A) provide a mechanism for rapid response to changes in the body. 
B) maintain a relatively constant internal fluid environment. 
C) inhibit nervous system effects on muscles and glands. 
D) allow for a mechanism to control gene action. 
E) do all of these. 
A) provide a mechanism for rapid response to changes in the body. 
B) maintain a relatively constant internal fluid environment. 
C) inhibit nervous system effects on muscles and glands. 
D) allow for a mechanism to control gene action. 
E) do all of these.

Exam 35: Endocrine Control

The adrenal medulla produces

A decrease in cortisol triggers a negative feedback loop and causes release of

Possible complications of diabetes include all EXCEPT

Symptoms of Cushing's syndrome frequently include all EXCEPT which of these?

A surge in __________ triggers tadpole metamorphosis.

Which of the following statements is (are) true?

The pancreatic secretions governing glucose levels are precisely controlled by

Estrogens from birth control pills

A simple goiter is an enlarged form of which gland?

Hormones are distributed throughout the body by the __________ system.

Which of the following is false about type 2 diabetes?

Insulin directly affects the

If you skip a meal, which of the following conditions will prevail?

An excess of estrogen like molecules can have which of the following effects on males?

Which of the following is true of type 1 diabetes?

Beta cells of the pancreas secrete

Excess glucose is converted into glycogen in

When investigators exposed embryos of African clawed frogs to lake-water samples from "hot spots,"

The pituitary gland is controlled by the

One purpose of the endocrine system is to

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters