Question 1

Why does the cAMP pathway produce so many different physiological effects?

Accepted Answer

A) There is a wide variety of effector proteins that can react with protein kinase A. 
B) cAMP has a completely different mechanism in each cell. 
C) Protein kinase a is completely different in each tissue. 
D) Receptors in the camp pathway dictate the response. 
A) There is a wide variety of effector proteins that can react with protein kinase A. 
B) cAMP has a completely different mechanism in each cell. 
C) Protein kinase a is completely different in each tissue. 
D) Receptors in the camp pathway dictate the response.

Question 2

Which hormone is not produced by the anterior pituitary gland?

Accepted Answer

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

Question 3

What is the primary function of the hormone calcitonin?

Accepted Answer

A) initiates stress response 
B) raises blood glucose level 
C) lowers blood glucose level 
D) stimulates bone growth 
E) inhibits loss of calcium from bone 
A) initiates stress response 
B) raises blood glucose level 
C) lowers blood glucose level 
D) stimulates bone growth 
E) inhibits loss of calcium from bone

Question 4

Which hormone helps with adaptation to long term stress?

Accepted Answer

A) glucocorticoids 
B) ephinephrine 
C) insulin 
D) glucagon 
E) melatonin 
A) glucocorticoids 
B) ephinephrine 
C) insulin 
D) glucagon 
E) melatonin

Question 5

There are two systems in the human body that are devoted exclusively to the regulation of the body organs.They are the

Accepted Answer

A) endocrine and circulatory systems. 
B) respiratory and circulatory systems. 
C) nervous and circulatory systems. 
D) nervous and endocrine systems. 
E) respiratory and nervous systems. 
A) endocrine and circulatory systems. 
B) respiratory and circulatory systems. 
C) nervous and circulatory systems. 
D) nervous and endocrine systems. 
E) respiratory and nervous systems.

Question 6

Helps regulate sperm production.

Accepted Answer

A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone 
A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone

Question 7

The islets of Langerhans located in the _______ secrete both insulin and glucagon.

Accepted Answer

A) liver 
B) pituitary 
C) thalamus 
D) kidney 
E) pancreas 
A) liver 
B) pituitary 
C) thalamus 
D) kidney 
E) pancreas

Question 8

Which of the following is not a function of oxytocin?

Accepted Answer

A) pair bonding 
B) milk-ejection reflex 
C) milk production 
D) uterine contractions 
A) pair bonding 
B) milk-ejection reflex 
C) milk production 
D) uterine contractions

Question 9

Unlike other hormones,the hormones of the posterior pituitary gland are transported to the hypothalamus by

Accepted Answer

A) the limbic system. 
B) blood vessels. 
C) neuron axons. 
D) the lymphatic system. 
E) the hypopituitary shunt. 
A) the limbic system. 
B) blood vessels. 
C) neuron axons. 
D) the lymphatic system. 
E) the hypopituitary shunt.

Question 10

Stimulates uterine contraction.

Accepted Answer

A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone 
A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone

Question 11

The hormonal products of the adrenal medulla affect all of the following except they

Accepted Answer

A) accelerate heartbeat. 
B) stimulate synthesis of glycogen. 
C) increase blood pressure. 
D) reduce blood flow to the skin and digestive organs. 
E) increase blood sugar. 
A) accelerate heartbeat. 
B) stimulate synthesis of glycogen. 
C) increase blood pressure. 
D) reduce blood flow to the skin and digestive organs. 
E) increase blood sugar.

Question 12

The cells of the anterior lobe of the pituitary gland secrete many hormones.From the following list select the hormone that is not secreted from the anterior lobe of the pituitary.

Accepted Answer

A) growth hormone 
B) prolactin 
C) follicle-stimulating hormone 
D) melanocyte-stimulating hormone 
E) antidiuretic hormone 
A) growth hormone 
B) prolactin 
C) follicle-stimulating hormone 
D) melanocyte-stimulating hormone 
E) antidiuretic hormone

Question 13

Which of the following organs can be stimulated to produce hormones primarily by the concentration of certain molecules and ions in the blood,rather than neural control?

Accepted Answer

A) adrenal medulla 
B) posterior pituitary gland 
C) pineal gland 
D) anterior pituitary gland 
E) pancreas and adrenal cortex 
A) adrenal medulla 
B) posterior pituitary gland 
C) pineal gland 
D) anterior pituitary gland 
E) pancreas and adrenal cortex

Question 14

Select the incorrect statement regarding paracrine regulation from the choices below.

Accepted Answer

A) Paracrine regulation molecules can be placed into two broad groups called cytokines and growth factors. 
B) Nitric oxide,which can function as a neurotransmitter,can also be classed as a paracrine regulator molecule. 
C) Endothelin and bradykinin are paracrine molecules that are used in the circulatory system for control of vessel constriction and dilation. 
D) Paracrine molecules are released directly into the circulatory system. 
E) Nerve growth factor,platelet-growth factor,and insulin-like growth factor are some of the examples of paracrine regulator molecules. 
A) Paracrine regulation molecules can be placed into two broad groups called cytokines and growth factors. 
B) Nitric oxide,which can function as a neurotransmitter,can also be classed as a paracrine regulator molecule. 
C) Endothelin and bradykinin are paracrine molecules that are used in the circulatory system for control of vessel constriction and dilation. 
D) Paracrine molecules are released directly into the circulatory system. 
E) Nerve growth factor,platelet-growth factor,and insulin-like growth factor are some of the examples of paracrine regulator molecules.

Question 15

All of the following are examples of sex steroid hormones except

Accepted Answer

A) estrogen. 
B) progesterone. 
C) prolactin. 
D) testosterone. 
E) estradiol. 
A) estrogen. 
B) progesterone. 
C) prolactin. 
D) testosterone. 
E) estradiol.

Question 16

The signals of the endocrine system are transmitted to the appropriate target organ via

Accepted Answer

A) the lymph. 
B) neurons. 
C) the peripheral nervous system. 
D) mesenteric blood vessels. 
E) blood. 
A) the lymph. 
B) neurons. 
C) the peripheral nervous system. 
D) mesenteric blood vessels. 
E) blood.

Question 17

At what step in the cAMP pathway does amplification not occur?

Accepted Answer

A) receptor-G protein interaction 
B) G protein-cAMP interaction 
C) cAMP-protein kinase interaction 
D) protein kinase-effector molecule interaction 
E) every step in the cAMP pathway produces some amplification 
A) receptor-G protein interaction 
B) G protein-cAMP interaction 
C) cAMP-protein kinase interaction 
D) protein kinase-effector molecule interaction 
E) every step in the cAMP pathway produces some amplification

Question 18

Sex steroid hormones are secreted by the
I-testes.
II-ovaries.
III-placenta.
IV-adrenal cortex.
V-adrenal medulla.

Accepted Answer

A) I and II 
B) I,II,and III 
C) I,II,III,and IV 
D) II,II,III,and V 
E) I,II,III,IV,and V 
A) I and II 
B) I,II,and III 
C) I,II,III,and IV 
D) II,II,III,and V 
E) I,II,III,IV,and V

Question 19

Parathyroid hormone does not cause

Accepted Answer

A) kidneys to resorb Ca2+ from the urine. 
B) the activation of vitamin D. 
C) increased blood calcium levels by stimulating osteoclasts to dissolve bone. 
D) acceleration of heartbeat. 
A) kidneys to resorb Ca2+ from the urine. 
B) the activation of vitamin D. 
C) increased blood calcium levels by stimulating osteoclasts to dissolve bone. 
D) acceleration of heartbeat.

Question 20

Which hormone is most similar in amino acid structure to chicken vasotocin?

Accepted Answer

A) antidiuretic hormone 
B) aldosterone 
C) angiotensin II 
D) growth hormone 
E) oxytocin 
A) antidiuretic hormone 
B) aldosterone 
C) angiotensin II 
D) growth hormone 
E) oxytocin

Exam 46: The Endocrine System

Why does the cAMP pathway produce so many different physiological effects?

Which hormone is not produced by the anterior pituitary gland?

What is the primary function of the hormone calcitonin?

Which hormone helps with adaptation to long term stress?

There are two systems in the human body that are devoted exclusively to the regulation of the body organs.They are the

Helps regulate sperm production.

The islets of Langerhans located in the _______ secrete both insulin and glucagon.

Which of the following is not a function of oxytocin?

Unlike other hormones,the hormones of the posterior pituitary gland are transported to the hypothalamus by

Stimulates uterine contraction.

The hormonal products of the adrenal medulla affect all of the following except they

The cells of the anterior lobe of the pituitary gland secrete many hormones.From the following list select the hormone that is not secreted from the anterior lobe of the pituitary.

Which of the following organs can be stimulated to produce hormones primarily by the concentration of certain molecules and ions in the blood,rather than neural control?

Select the incorrect statement regarding paracrine regulation from the choices below.

All of the following are examples of sex steroid hormones except

The signals of the endocrine system are transmitted to the appropriate target organ via

At what step in the cAMP pathway does amplification not occur?

Sex steroid hormones are secreted by the I-testes. II-ovaries. III-placenta. IV-adrenal cortex. V-adrenal medulla.

Parathyroid hormone does not cause

Which hormone is most similar in amino acid structure to chicken vasotocin?

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

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Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

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Overview of Green Plants

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Vertebrates

Plant Form

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Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

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Osmotic Regulation and the Urinary System

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Animal Development

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