Question 1

Progestins are a specific type of steroid whose function is to

Accepted Answer

A) maintain pregnancy. 
B) promote development of secondary male sex characteristics. 
C) promote development of secondary female sex characteristics. 
D) regulate the sodium/potassium balance in cellular fluids. 
E) regulate glucose metabolism. 
A) maintain pregnancy. 
B) promote development of secondary male sex characteristics. 
C) promote development of secondary female sex characteristics. 
D) regulate the sodium/potassium balance in cellular fluids. 
E) regulate glucose metabolism.

Question 2

Hormones are produced in the ________ system.

Accepted Answer

A) digestive 
B) endocrine 
C) excretory 
D) nervous 
E) circulatory 
A) digestive 
B) endocrine 
C) excretory 
D) nervous 
E) circulatory

Question 3

The hypothalamus gland communicates with other tissues by ________ and ________.

Accepted Answer

A) direct release of hormones;indirect control through release of regulatory hormones 
B) direct neural control by release of transmitters;direct release of hormones 
C) direct neural control by release of transmitters;indirect control through release of regulatory hormones 
D) allosteric control of enzymes;direct neuronal control by release of transmitters 
E) none of these 
A) direct release of hormones;indirect control through release of regulatory hormones 
B) direct neural control by release of transmitters;direct release of hormones 
C) direct neural control by release of transmitters;indirect control through release of regulatory hormones 
D) allosteric control of enzymes;direct neuronal control by release of transmitters 
E) none of these

Question 4

A hormone that is involved in maintaining electrolyte balance in cells is classified as a(an)

Accepted Answer

A) mineralocorticoid. 
B) glucocorticoid. 
C) sex hormone. 
D) receptor molecule. 
E) inhibitor. 
A) mineralocorticoid. 
B) glucocorticoid. 
C) sex hormone. 
D) receptor molecule. 
E) inhibitor.

Question 5

Match the following.
-progesterone

Accepted Answer

A) a site on a cell that interacts with some external chemical messenger in order to enable a response to occur 
B) a chemical messenger that is produced in the nervous system 
C) the intended site of a specific chemical reaction 
D) a substance introduced from outside the body that alters some body function 
E) an example of a polypeptide hormone
F)a molecule within a cell that is released in response to the interaction of a hormone or neurotransmitter with a receptor outside the cell
G)a chemical messenger that is produced in the endocrine system and indirectly regulates biochemical processes
H)an example of a steroid hormone
I)an example of an amino acid hormone 
A) a site on a cell that interacts with some external chemical messenger in order to enable a response to occur 
B) a chemical messenger that is produced in the nervous system 
C) the intended site of a specific chemical reaction 
D) a substance introduced from outside the body that alters some body function 
E) an example of a polypeptide hormone
F)a molecule within a cell that is released in response to the interaction of a hormone or neurotransmitter with a receptor outside the cell
G)a chemical messenger that is produced in the endocrine system and indirectly regulates biochemical processes
H)an example of a steroid hormone
I)an example of an amino acid hormone

Question 6

Most drugs used as antihistamines prevent allergic reactions by acting as

Accepted Answer

A) a neurotransmitter to enhance the response of histamine receptor sites. 
B) allosteric inhibitors of the destruction of histamine. 
C) competitors for reuptake of histamine. 
D) antagonists to the histamine receptor sites. 
E) none of these 
A) a neurotransmitter to enhance the response of histamine receptor sites. 
B) allosteric inhibitors of the destruction of histamine. 
C) competitors for reuptake of histamine. 
D) antagonists to the histamine receptor sites. 
E) none of these

Question 7

Which of the following is a steroid based hormone?

Accepted Answer

A) testosterone 
B) epinepherine 
C) vasopressin 
D) glucagon 
E) thyroxine 
A) testosterone 
B) epinepherine 
C) vasopressin 
D) glucagon 
E) thyroxine

Question 8

Which of the following is an example of an amino acid derivative hormone?

Accepted Answer

A) thyroxine 
B) insulin 
C) theobromine 
D) antidiuretic hormone (ADH) 
A) thyroxine 
B) insulin 
C) theobromine 
D) antidiuretic hormone (ADH)

Question 9

Birth control pills work by mimicking what type of hormones?

Accepted Answer

A) estrogen 
B) progesterone 
C) testosterone 
D) both A and B 
A) estrogen 
B) progesterone 
C) testosterone 
D) both A and B

Question 10

The two systems responsible for regulating the huge number of chemical processes in the human body are the ________ and ________ systems.

Accepted Answer

A) circulatory;digestive 
B) reproductive;endocrine 
C) nervous;endocrine 
D) nervous;digestive 
E) digestive;endocrine 
A) circulatory;digestive 
B) reproductive;endocrine 
C) nervous;endocrine 
D) nervous;digestive 
E) digestive;endocrine

Question 11

Once the acetylcholine has delivered it message it is broken down by

Accepted Answer

A) acetylcholinesterase. 
B) cholinesterase. 
C) neurotransmitters. 
D) synaptic enzymes. 
E) synaptic vessicles. 
A) acetylcholinesterase. 
B) cholinesterase. 
C) neurotransmitters. 
D) synaptic enzymes. 
E) synaptic vessicles.

Question 12

Which of the following is not part of a nerve cell?

Accepted Answer

A) synaptic cleft 
B) axon 
C) vesicles 
D) presynaptic neuron 
E) dendrites 
A) synaptic cleft 
B) axon 
C) vesicles 
D) presynaptic neuron 
E) dendrites

Question 13

Androgens are a specific type of steroid whose function is to

Accepted Answer

A) maintain pregnancy. 
B) promote development of secondary male sex characteristics. 
C) promote development of secondary female sex characteristics. 
D) regulate the sodium/potassium balance in cellular fluids. 
E) regulate glucose metabolism. 
A) maintain pregnancy. 
B) promote development of secondary male sex characteristics. 
C) promote development of secondary female sex characteristics. 
D) regulate the sodium/potassium balance in cellular fluids. 
E) regulate glucose metabolism.

Question 14

Which hormone is an example of a polypeptide?

Accepted Answer

A) epinephrine 
B) thyroxine 
C) growth hormone (GH) 
D) estrogen 
E) cortisone 
A) epinephrine 
B) thyroxine 
C) growth hormone (GH) 
D) estrogen 
E) cortisone

Question 15

Match the following.
-secondary messenger

Accepted Answer

A) a site on a cell that interacts with some external chemical messenger in order to enable a response to occur 
B) a chemical messenger that is produced in the nervous system 
C) the intended site of a specific chemical reaction 
D) a substance introduced from outside the body that alters some body function 
E) an example of a polypeptide hormone
F)a molecule within a cell that is released in response to the interaction of a hormone or neurotransmitter with a receptor outside the cell
G)a chemical messenger that is produced in the endocrine system and indirectly regulates biochemical processes
H)an example of a steroid hormone
I)an example of an amino acid hormone 
A) a site on a cell that interacts with some external chemical messenger in order to enable a response to occur 
B) a chemical messenger that is produced in the nervous system 
C) the intended site of a specific chemical reaction 
D) a substance introduced from outside the body that alters some body function 
E) an example of a polypeptide hormone
F)a molecule within a cell that is released in response to the interaction of a hormone or neurotransmitter with a receptor outside the cell
G)a chemical messenger that is produced in the endocrine system and indirectly regulates biochemical processes
H)an example of a steroid hormone
I)an example of an amino acid hormone

Question 16

Chemical messengers deliver information by interacting with ________ in or at the target cell.

Accepted Answer

A) receptors 
B) antibodies 
C) antigens 
D) hormones 
E) neurotransmitters 
A) receptors 
B) antibodies 
C) antigens 
D) hormones 
E) neurotransmitters

Question 17

Match the following.
-neurotransmitter

Accepted Answer

A) a site on a cell that interacts with some external chemical messenger in order to enable a response to occur 
B) a chemical messenger that is produced in the nervous system 
C) the intended site of a specific chemical reaction 
D) a substance introduced from outside the body that alters some body function 
E) an example of a polypeptide hormone
F)a molecule within a cell that is released in response to the interaction of a hormone or neurotransmitter with a receptor outside the cell
G)a chemical messenger that is produced in the endocrine system and indirectly regulates biochemical processes
H)an example of a steroid hormone
I)an example of an amino acid hormone 
A) a site on a cell that interacts with some external chemical messenger in order to enable a response to occur 
B) a chemical messenger that is produced in the nervous system 
C) the intended site of a specific chemical reaction 
D) a substance introduced from outside the body that alters some body function 
E) an example of a polypeptide hormone
F)a molecule within a cell that is released in response to the interaction of a hormone or neurotransmitter with a receptor outside the cell
G)a chemical messenger that is produced in the endocrine system and indirectly regulates biochemical processes
H)an example of a steroid hormone
I)an example of an amino acid hormone

Question 18

Which of the following hormones are involved in the secondary male sexual characteristics?

Accepted Answer

A) thyroxine 
B) epinephrine 
C) vasopressin 
D) testosterone 
E) estrogen 
A) thyroxine 
B) epinephrine 
C) vasopressin 
D) testosterone 
E) estrogen

Question 19

Which of the following statements about neurotransmitters is not correct?

Accepted Answer

A) A neurotransmitter must carry a message across a tiny gap between nerve cells. 
B) A neutrotransmitter is released in short bursts and their effects are very short lived. 
C) A neutrotransmitter is quickly broken down or reabsorbed by the nerve cell. 
D) A neutrotransmitter is synthesized and released close to its site of action. 
E) All statements are true. 
A) A neurotransmitter must carry a message across a tiny gap between nerve cells. 
B) A neutrotransmitter is released in short bursts and their effects are very short lived. 
C) A neutrotransmitter is quickly broken down or reabsorbed by the nerve cell. 
D) A neutrotransmitter is synthesized and released close to its site of action. 
E) All statements are true.

Question 20

The neurotransmitter that is associated with the perception of pleasure and pain in the brain is

Accepted Answer

A) acetylcholine. 
B) testosterone. 
C) epinephrine. 
D) histamine. 
E) dopamine. 
A) acetylcholine. 
B) testosterone. 
C) epinephrine. 
D) histamine. 
E) dopamine.

Exam 28: Chemical Messengers: Hormones, neurotransmitters, and Drugs

Progestins are a specific type of steroid whose function is to

Hormones are produced in the ________ system.

The hypothalamus gland communicates with other tissues by ________ and ________.

A hormone that is involved in maintaining electrolyte balance in cells is classified as a(an)

Match the following. -progesterone

Most drugs used as antihistamines prevent allergic reactions by acting as

Which of the following is a steroid based hormone?

Which of the following is an example of an amino acid derivative hormone?

Birth control pills work by mimicking what type of hormones?

The two systems responsible for regulating the huge number of chemical processes in the human body are the ________ and ________ systems.

Once the acetylcholine has delivered it message it is broken down by

Which of the following is not part of a nerve cell?

Androgens are a specific type of steroid whose function is to

Which hormone is an example of a polypeptide?

Match the following. -secondary messenger

Chemical messengers deliver information by interacting with ________ in or at the target cell.

Match the following. -neurotransmitter

Which of the following hormones are involved in the secondary male sexual characteristics?

Which of the following statements about neurotransmitters is not correct?

The neurotransmitter that is associated with the perception of pleasure and pain in the brain is

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Body Fluids

Filters

The hypothalamus gland communicates with other tissues by and .

The two systems responsible for regulating the huge number of chemical processes in the human body are the and systems.