Question 1

If a cell is like a house,which one of the following is most similar to the way that a steroid hormone works?

Accepted Answer

A)  A postal worker leaves mail for you at your front door. 
B)  A visitor to your home knocks on your front door. 
C)  Radio signals are received by a stereo in your bedroom. 
D)  You walk outside of your home to get a better signal on your cell phone. 
A)  A postal worker leaves mail for you at your front door. 
B)  A visitor to your home knocks on your front door. 
C)  Radio signals are received by a stereo in your bedroom. 
D)  You walk outside of your home to get a better signal on your cell phone. C

Question 2

Epinephrine ________.

Accepted Answer

A)  decreases metabolic rate 
B)  decreases heart rate 
C)  increases absorption of glucose by the digestive tract 
D)  increases breathing rate 
A)  decreases metabolic rate 
B)  decreases heart rate 
C)  increases absorption of glucose by the digestive tract 
D)  increases breathing rate D

Question 3

Please read the following scenario to answer the following questions.
Osteoporosis is a disease characterized by loss of bone mass and an increased susceptibility to bone fractures. It threatens more than half of all Americans over the age of 50. Women are about four times more likely to suffer from the disease than men. Osteoporosis may progress undetected until bones become so weak that they break during common activities. Prevention of osteoporosis includes regular weight-bearing exercise, recommended intake of calcium and vitamin D, and avoidance of smoking and excessive alcohol.
-Astronauts returning from long periods in space often have very fragile bones.This is likely related to ________.

Accepted Answer

A)  overproduction of thyroid hormone 
B)  lack of gravity 
C)  diet lacking in calcium 
D)  excessive production of ADH 
A)  overproduction of thyroid hormone 
B)  lack of gravity 
C)  diet lacking in calcium 
D)  excessive production of ADH B

Question 4

Which one of the following statements is TRUE?

Accepted Answer

A)  The anterior pituitary is composed of nervous tissue. 
B)  The anterior pituitary and posterior pituitary work together to secrete the same hormones. 
C)  Inhibiting hormones make the anterior pituitary secrete hormones. 
D)  The pituitary secretes hormones that influence numerous body functions. 
A)  The anterior pituitary is composed of nervous tissue. 
B)  The anterior pituitary and posterior pituitary work together to secrete the same hormones. 
C)  Inhibiting hormones make the anterior pituitary secrete hormones. 
D)  The pituitary secretes hormones that influence numerous body functions.

Question 5

Jenny is losing weight,has poor tolerance to heat,and has mood swings,high blood pressure,and a rapid heart rate.She has very high levels of thyroid hormone,high levels of TSH,and a goiter.Which of these diagnoses is the most likely for Jenny's condition?

Accepted Answer

A)  defective thyroid hormone receptors in the body cells 
B)  insufficient iodine in the diet 
C)  defective receptors for thyroid hormone control by the anterior pituitary 
D)  too much iodine in the diet 
A)  defective thyroid hormone receptors in the body cells 
B)  insufficient iodine in the diet 
C)  defective receptors for thyroid hormone control by the anterior pituitary 
D)  too much iodine in the diet

Question 6

Hyposecretion of ________ may inhibit your response to stress.

Accepted Answer

A)  ACTH 
B)  insulin 
C)  HGH 
D)  prolactin 
A)  ACTH 
B)  insulin 
C)  HGH 
D)  prolactin

Question 7

Which of the following is a nonsteroid hormone?

Accepted Answer

A)  glucagon 
B)  a progestin 
C)  a glucocorticoid 
D)  androgen 
A)  glucagon 
B)  a progestin 
C)  a glucocorticoid 
D)  androgen

Question 8

Which of these is generally considered a benefit of synthetic hormones?

Accepted Answer

A)  effects on kidney and liver 
B)  cardiovascular effects 
C)  increased hostility 
D)  mimicking estrogen 
A)  effects on kidney and liver 
B)  cardiovascular effects 
C)  increased hostility 
D)  mimicking estrogen

Question 9

Which of the following hormones causes a rise in the concentration of glucose in the blood?

Accepted Answer

A)  insulin 
B)  glucagon 
C)  melatonin 
D)  calcitonin 
A)  insulin 
B)  glucagon 
C)  melatonin 
D)  calcitonin

Question 10

Which of these is an example of the action of an endocrine disruptor?

Accepted Answer

A)  BPA in bottles affects particular glands. 
B)  Feedback from estrogen inhibits FSH. 
C)  Lack of iodine prevents synthesis of adequate thyroid hormone. 
D)  Lowered levels of calcitonin causes increased bone density. 
A)  BPA in bottles affects particular glands. 
B)  Feedback from estrogen inhibits FSH. 
C)  Lack of iodine prevents synthesis of adequate thyroid hormone. 
D)  Lowered levels of calcitonin causes increased bone density.

Question 11

Which of these hormones acts in opposition to diuretics such as alcohol?

Accepted Answer

A)  ADH 
B)  glucagon 
C)  HGH 
D)  FSH 
A)  ADH 
B)  glucagon 
C)  HGH 
D)  FSH

Question 12

Generally,a cell that is affected by a particular steroid hormone would be expected to have ________.

Accepted Answer

A)  DNA sites that interact with the hormone 
B)  a receptor inside the cell that binds the hormone 
C)  a cell-surface receptor that binds the hormone 
D)  enzymes that are activated or inactivated by the hormone's second messenger 
A)  DNA sites that interact with the hormone 
B)  a receptor inside the cell that binds the hormone 
C)  a cell-surface receptor that binds the hormone 
D)  enzymes that are activated or inactivated by the hormone's second messenger

Question 13

When the concentration of glucose in the blood rises following the digestion of a meal,what is the hormonal response?

Accepted Answer

A)  Increased amounts of both glucagon and insulin are released. 
B)  An increased amount of glucagon is released. 
C)  An increased amount of insulin is released. 
D)  Glucagon and insulin levels in the blood stay the same. 
A)  Increased amounts of both glucagon and insulin are released. 
B)  An increased amount of glucagon is released. 
C)  An increased amount of insulin is released. 
D)  Glucagon and insulin levels in the blood stay the same.

Question 14

Which of the following is secreted by a sexually mature woman?

Accepted Answer

A)  testosterone, only 
B)  estrogen, only 
C)  progestins, only 
D)  All of these are secreted by a sexually mature woman. 
A)  testosterone, only 
B)  estrogen, only 
C)  progestins, only 
D)  All of these are secreted by a sexually mature woman.

Question 15

Examine the figure below.If blood glucose levels decline,________.

Accepted Answer

A)  the pancreas releases more glucagon, which causes glucose to be released into the blood 
B)  the pancreas releases more insulin, which causes glucose to be released into the blood 
C)  body cells take up more glucose 
D)  liver cells convert glucose to glycogen 
A)  the pancreas releases more glucagon, which causes glucose to be released into the blood 
B)  the pancreas releases more insulin, which causes glucose to be released into the blood 
C)  body cells take up more glucose 
D)  liver cells convert glucose to glycogen

Question 16

Which of the following best describes the relationship of insulin to glucagon?

Accepted Answer

A)  They work together to prepare the body to deal with stress. 
B)  Insulin stimulates the pancreas to secrete glucagon. 
C)  High levels of insulin inhibit pancreatic secretion of glucagon. 
D)  They are antagonistic hormones. 
A)  They work together to prepare the body to deal with stress. 
B)  Insulin stimulates the pancreas to secrete glucagon. 
C)  High levels of insulin inhibit pancreatic secretion of glucagon. 
D)  They are antagonistic hormones.

Question 17

Please refer to the following art to answer the following questions.
  
-What is special about the target cells that allows them to respond to the hormone? Only the target cells ________.

Accepted Answer

A)  are close enough to the blood vessels to respond 
B)  touch the blood vessels 
C)  have specific receptors to the hormone 
D)  located in organs next to the kidneys can respond 
A)  are close enough to the blood vessels to respond 
B)  touch the blood vessels 
C)  have specific receptors to the hormone 
D)  located in organs next to the kidneys can respond

Question 18

Please read the following scenario to answer the following questions.
Osteoporosis is a disease characterized by loss of bone mass and an increased susceptibility to bone fractures. It threatens more than half of all Americans over the age of 50. Women are about four times more likely to suffer from the disease than men. Osteoporosis may progress undetected until bones become so weak that they break during common activities. Prevention of osteoporosis includes regular weight-bearing exercise, recommended intake of calcium and vitamin D, and avoidance of smoking and excessive alcohol.
-Calcium levels are regulated by antagonistic hormones.This is likely because ________.

Accepted Answer

A)  calcium has to be produced by the body and that production must be regulated 
B)  bone formation occurs only during puberty when many other hormones are present, thus careful regulation is necessary 
C)  both too much and too little calcium can have disastrous effects on the body, thus the levels need tight regulation 
D)  calcium is needed to repair bone fractures, so antagonistic hormones make sure it is available when needed 
A)  calcium has to be produced by the body and that production must be regulated 
B)  bone formation occurs only during puberty when many other hormones are present, thus careful regulation is necessary 
C)  both too much and too little calcium can have disastrous effects on the body, thus the levels need tight regulation 
D)  calcium is needed to repair bone fractures, so antagonistic hormones make sure it is available when needed

Question 19

In general,hormones that bind to plasma membrane receptors ________.

Accepted Answer

A)  are steroid hormones 
B)  bind to DNA and cause changes in transcription 
C)  cannot pass through cell membranes 
D)  are produced in the interstitial fluid 
A)  are steroid hormones 
B)  bind to DNA and cause changes in transcription 
C)  cannot pass through cell membranes 
D)  are produced in the interstitial fluid

Question 20

Which of the following hormones affects the greatest variety of cell types?

Accepted Answer

A)  prolactin 
B)  insulin 
C)  growth hormone 
D)  calcitonin 
A)  prolactin 
B)  insulin 
C)  growth hormone 
D)  calcitonin

Exam 25: Hormones

If a cell is like a house,which one of the following is most similar to the way that a steroid hormone works?

Epinephrine ________.

Which one of the following statements is TRUE?

Jenny is losing weight,has poor tolerance to heat,and has mood swings,high blood pressure,and a rapid heart rate.She has very high levels of thyroid hormone,high levels of TSH,and a goiter.Which of these diagnoses is the most likely for Jenny's condition?

Hyposecretion of ________ may inhibit your response to stress.

Which of the following is a nonsteroid hormone?

Which of these is generally considered a benefit of synthetic hormones?

Which of the following hormones causes a rise in the concentration of glucose in the blood?

Which of these is an example of the action of an endocrine disruptor?

Which of these hormones acts in opposition to diuretics such as alcohol?

Generally,a cell that is affected by a particular steroid hormone would be expected to have ________.

When the concentration of glucose in the blood rises following the digestion of a meal,what is the hormonal response?

Which of the following is secreted by a sexually mature woman?

Examine the figure below.If blood glucose levels decline,________.

Which of the following best describes the relationship of insulin to glucagon?

Please refer to the following art to answer the following questions. -What is special about the target cells that allows them to respond to the hormone? Only the target cells ________.

In general,hormones that bind to plasma membrane receptors ________.

Which of the following hormones affects the greatest variety of cell types?

Introduction: Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy from Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells from Cells

Patterns of Inheritance

The Structure and Function of DNA

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Body's Defenses

Reproduction and Development

Nervous, Sensory, and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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