Question 1

Which type of neuron is completely contained within the central nervous system?

Accepted Answer

A)  sensory neuron 
B)  motor neuron 
C)  autonomic neuron 
D)  interneuron 
E)  sympathetic neuron 
A)  sensory neuron 
B)  motor neuron 
C)  autonomic neuron 
D)  interneuron 
E)  sympathetic neuron

Question 2

Which two anterior pituitary hormones do not target other endocrine glands?

Accepted Answer

A)  prolactin PRL) and growth hormone GH) 
B)  oxytocin and prolactin PRL) 
C)  adrenocorticotropic hormone ACTH) and growth hormone GH) 
D)  luteinizing hormone LH) and adrenocorticotropic hormone ACTH) 
E)  antidiuretic hormone ADH) and oxytocin 
A)  prolactin PRL) and growth hormone GH) 
B)  oxytocin and prolactin PRL) 
C)  adrenocorticotropic hormone ACTH) and growth hormone GH) 
D)  luteinizing hormone LH) and adrenocorticotropic hormone ACTH) 
E)  antidiuretic hormone ADH) and oxytocin

Question 3

Transmission across the synaptic cleft is accomplished by chemical signals called

Accepted Answer

A)  hormones. 
B)  exocrine secretions. 
C)  enzymes. 
D)  stimulants. 
E)  neurotransmitters. 
A)  hormones. 
B)  exocrine secretions. 
C)  enzymes. 
D)  stimulants. 
E)  neurotransmitters.

Question 4

If an individual's pancreatic islets have been destroyed, the result will be

Accepted Answer

A)  Cushing syndrome. 
B)  Graves disease. 
C)  type 2 diabetes mellitus. 
D)  Addison disease. 
E)  type 1 diabetes mellitus. 
A)  Cushing syndrome. 
B)  Graves disease. 
C)  type 2 diabetes mellitus. 
D)  Addison disease. 
E)  type 1 diabetes mellitus.

Question 5

Which action is not part of how drugs can affect the nervous system?

Accepted Answer

A)  Drugs can enhance the release of a neurotransmitter. 
B)  Drugs can block the release of a neurotransmitter. 
C)  Drugs can block the receptor for a neurotransmitter. 
D)  Drugs can mimic the actions of a neurotransmitter. 
E)  All of these actions are part of how drugs can affect the nervous system. 
A)  Drugs can enhance the release of a neurotransmitter. 
B)  Drugs can block the release of a neurotransmitter. 
C)  Drugs can block the receptor for a neurotransmitter. 
D)  Drugs can mimic the actions of a neurotransmitter. 
E)  All of these actions are part of how drugs can affect the nervous system.

Question 6

The hormonal secretions) of the _____ serve to increase the body's metabolic rate.

Accepted Answer

A)  thyroid gland 
B)  adrenal medulla 
C)  adrenal cortex 
D)  posterior pituitary 
E)  parathyroid glands 
A)  thyroid gland 
B)  adrenal medulla 
C)  adrenal cortex 
D)  posterior pituitary 
E)  parathyroid glands

Question 7

Which part of a neuron could be covered with a myelin sheath?

Accepted Answer

A)  nucleus 
B)  axon 
C)  dendrite 
D)  cell body 
E)  terminal 
A)  nucleus 
B)  axon 
C)  dendrite 
D)  cell body 
E)  terminal

Question 8

Which is not an anterior pituitary hormone?

Accepted Answer

A)  thyroid-stimulating hormone TSH) 
B)  prolactin PRL) 
C)  growth hormone GH) 
D)  adrenocorticotropic hormone ACTH) 
E)  antidiuretic hormone ADH) 
A)  thyroid-stimulating hormone TSH) 
B)  prolactin PRL) 
C)  growth hormone GH) 
D)  adrenocorticotropic hormone ACTH) 
E)  antidiuretic hormone ADH)

Question 9

Which of these is not part of a neuron?

Accepted Answer

A)  dendrite 
B)  nucleus 
C)  cell body 
D)  axon 
E)  synapse 
A)  dendrite 
B)  nucleus 
C)  cell body 
D)  axon 
E)  synapse

Question 10

The exophthalmos seen in Graves disease results from hypersecretion of the

Accepted Answer

A)  thyroid gland. 
B)  parathyroid glands. 
C)  posterior pituitary. 
D)  adrenal cortex. 
E)  pancreas. 
A)  thyroid gland. 
B)  parathyroid glands. 
C)  posterior pituitary. 
D)  adrenal cortex. 
E)  pancreas.

Question 11

The spinal cord's gray matter is located

Accepted Answer

A)  on the outside, surrounding a central core of white matter. 
B)  on the inside, surrounding the central canal. 
C)  on both the inside and the outside. 
D)  neither inside nor outside- the spinal cord is entirely white matter. 
E)  scattered among a collection of ganglia. 
A)  on the outside, surrounding a central core of white matter. 
B)  on the inside, surrounding the central canal. 
C)  on both the inside and the outside. 
D)  neither inside nor outside- the spinal cord is entirely white matter. 
E)  scattered among a collection of ganglia.

Question 12

_____ hormones can pass through the plasma membrane of a target cell.

Accepted Answer

A)  Second messenger 
B)  Steroid 
C)  First messenger 
D)  Peptide 
E)  DNA 
A)  Second messenger 
B)  Steroid 
C)  First messenger 
D)  Peptide 
E)  DNA

Question 13

Which hormone stimulates milk letdown?

Accepted Answer

A)  prolactin PRL) 
B)  luteinizing hormone LH) 
C)  oxytocin 
D)  follicle-stimulating hormone FSH) 
E)  estrogen 
A)  prolactin PRL) 
B)  luteinizing hormone LH) 
C)  oxytocin 
D)  follicle-stimulating hormone FSH) 
E)  estrogen

Question 14

The hormone _____ lowers blood glucose, while the hormone _____ raises blood glucose.

Accepted Answer

A)  insulin; glucagon 
B)  epinephrine; norepinephrine 
C)  cortisol; insulin 
D)  thyroxine; glucagon 
E)  glucagon; insulin 
A)  insulin; glucagon 
B)  epinephrine; norepinephrine 
C)  cortisol; insulin 
D)  thyroxine; glucagon 
E)  glucagon; insulin

Question 15

The arrow shows the direction of the nerve impulse in a neuron. Part X would represent an)

Accepted Answer

A)  axon. 
B)  dendrite. 
C)  cell body. 
D)  myelin sheath. 
E)  axon terminal. 
A)  axon. 
B)  dendrite. 
C)  cell body. 
D)  myelin sheath. 
E)  axon terminal.

Question 16

Only the glands of the endocrine system

Accepted Answer

A)  use chemical signals to bring about changes in target organs. 
B)  work to regulate the activities of other body systems. 
C)  use the bloodstream to convey signals throughout the body. 
D)  help to maintain homeostasis. 
E)  bring about rapid responses by target organs. 
A)  use chemical signals to bring about changes in target organs. 
B)  work to regulate the activities of other body systems. 
C)  use the bloodstream to convey signals throughout the body. 
D)  help to maintain homeostasis. 
E)  bring about rapid responses by target organs.

Question 17

Contraction of the uterus during childbirth is stimulated by

Accepted Answer

A)  prolactin. 
B)  luteinizing hormone LH). 
C)  oxytocin. 
D)  glucagon. 
E)  parathyroid hormone PTH). 
A)  prolactin. 
B)  luteinizing hormone LH). 
C)  oxytocin. 
D)  glucagon. 
E)  parathyroid hormone PTH).

Question 18

If you do not obtain enough iodine in your diet, you will likely develop

Accepted Answer

A)  pituitary gigantism. 
B)  simple goiter. 
C)  exophthalmos. 
D)  diabetes mellitus. 
E)  tetany. 
A)  pituitary gigantism. 
B)  simple goiter. 
C)  exophthalmos. 
D)  diabetes mellitus. 
E)  tetany.

Question 19

When the sympathetic division of the autonomic nervous system is activated, its effects can be prolonged by secretions of the

Accepted Answer

A)  adrenal cortex. 
B)  thyroid gland. 
C)  parathyroid glands. 
D)  adrenal medulla. 
E)  posterior pituitary. 
A)  adrenal cortex. 
B)  thyroid gland. 
C)  parathyroid glands. 
D)  adrenal medulla. 
E)  posterior pituitary.

Question 20

Gigantism can result from excessive secretion from the

Accepted Answer

A)  posterior pituitary. 
B)  anterior pituitary. 
C)  adrenal medulla. 
D)  adrenal cortex. 
E)  pancreas. 
A)  posterior pituitary. 
B)  anterior pituitary. 
C)  adrenal medulla. 
D)  adrenal cortex. 
E)  pancreas.

Exam 27: The Control Systems

Which type of neuron is completely contained within the central nervous system?

Which two anterior pituitary hormones do not target other endocrine glands?

Transmission across the synaptic cleft is accomplished by chemical signals called

If an individual's pancreatic islets have been destroyed, the result will be

Which action is not part of how drugs can affect the nervous system?

The hormonal secretions) of the _____ serve to increase the body's metabolic rate.

Which part of a neuron could be covered with a myelin sheath?

Which is not an anterior pituitary hormone?

Which of these is not part of a neuron?

The exophthalmos seen in Graves disease results from hypersecretion of the

The spinal cord's gray matter is located

_____ hormones can pass through the plasma membrane of a target cell.

Which hormone stimulates milk letdown?

The hormone _____ lowers blood glucose, while the hormone _____ raises blood glucose.

The arrow shows the direction of the nerve impulse in a neuron. Part X would represent an)

Only the glands of the endocrine system

Contraction of the uterus during childbirth is stimulated by

If you do not obtain enough iodine in your diet, you will likely develop

When the sympathetic division of the autonomic nervous system is activated, its effects can be prolonged by secretions of the

Gigantism can result from excessive secretion from the

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The hormone _ lowers blood glucose, while the hormone _ raises blood glucose.