Question 1

Which of the following is not a bone?

Accepted Answer

A)  malleus 
B)  incus 
C)  stapes 
D)  tympanum 
A)  malleus 
B)  incus 
C)  stapes 
D)  tympanum D

Question 2

This class of antibodies is responsible for many allergies and may help protect against parasitic worm infections.

Accepted Answer

A)  IgG 
B)  IgC 
C)  IgE 
D)  IgD 
A)  IgG 
B)  IgC 
C)  IgE 
D)  IgD C

Question 3

Endocrine function typically involves

Accepted Answer

A)  coordinated activity of several hormones. 
B)  single hormones responding to nervous stimulation. 
C)  hormones being used in the immediate vicinity of their place of production. 
D)  gland cells being transported to where they are needed. 
A)  coordinated activity of several hormones. 
B)  single hormones responding to nervous stimulation. 
C)  hormones being used in the immediate vicinity of their place of production. 
D)  gland cells being transported to where they are needed. A

Question 4

A resting neuron

Accepted Answer

A)  has a positive charge inside and negative charge outside. 
B)  has a negative charge inside and a positive charge outside. 
C)  is positively charged at the dendrites and negatively charged at the axon. 
D)  is nonpolar. 
A)  has a positive charge inside and negative charge outside. 
B)  has a negative charge inside and a positive charge outside. 
C)  is positively charged at the dendrites and negatively charged at the axon. 
D)  is nonpolar.

Question 5

Increased temperature, swelling, redness, and pain are the generalized symptoms of

Accepted Answer

A)  anaphylactic shock. 
B)  the release of antigens. 
C)  specific defense mechanism. 
D)  inflammation. 
A)  anaphylactic shock. 
B)  the release of antigens. 
C)  specific defense mechanism. 
D)  inflammation.

Question 6

The most sensitive portion of the retina of the eye is known as the

Accepted Answer

A)  cones. 
B)  fovea centralis. 
C)  optic nerve. 
D)  rhodopsin. 
A)  cones. 
B)  fovea centralis. 
C)  optic nerve. 
D)  rhodopsin.

Question 7

Neurotransmitters like acetylcholine

Accepted Answer

A)  are released from axons. 
B)  travel from dendrite to axon. 
C)  are released from dendrites. 
D)  travel from the soma to the dendrites. 
A)  are released from axons. 
B)  travel from dendrite to axon. 
C)  are released from dendrites. 
D)  travel from the soma to the dendrites.

Question 8

________________ is released from the posterior pituitary gland, acts slowly, and regulates the rate at which the body loses water through the kidneys.

Accepted Answer

A)  Epinephrine 
B)  Norepinephrine 
C)  Antidiuretic hormone 
D)  Testosterone 
A)  Epinephrine 
B)  Norepinephrine 
C)  Antidiuretic hormone 
D)  Testosterone

Question 9

Which of the following is a neurotransmitter?

Accepted Answer

A)  sodium ions 
B)  cholinesterase 
C)  synapse 
D)  acetylcholine 
A)  sodium ions 
B)  cholinesterase 
C)  synapse 
D)  acetylcholine

Question 10

Which of the following occurs during a nerve impulse?

Accepted Answer

A)  Sodium ions flow out of the cell. 
B)  Sodium ions flow into the cell. 
C)  Potassium ions are pumped into the cell. 
D)  Potassium ions are pumped out of the cell. 
A)  Sodium ions flow out of the cell. 
B)  Sodium ions flow into the cell. 
C)  Potassium ions are pumped into the cell. 
D)  Potassium ions are pumped out of the cell.

Question 11

The fovea centralis has the highest concentration of

Accepted Answer

A)  rhodopsin. 
B)  cones. 
C)  night vision receptors. 
D)  rods. 
A)  rhodopsin. 
B)  cones. 
C)  night vision receptors. 
D)  rods.

Question 12

The brain directly regulates the

Accepted Answer

A)  posterior pituitary. 
B)  ovaries. 
C)  thyroid. 
D)  pancreas. 
A)  posterior pituitary. 
B)  ovaries. 
C)  thyroid. 
D)  pancreas.

Question 13

Egg-laying in birds is under the control of

Accepted Answer

A)  the endocrine system. 
B)  the nervous system. 
C)  both the nervous system and the endocrine system. 
D)  neither the nervous system nor the endocrine system. 
A)  the endocrine system. 
B)  the nervous system. 
C)  both the nervous system and the endocrine system. 
D)  neither the nervous system nor the endocrine system.

Question 14

Which of the following senses involves molecules binding to a receptor surface?

Accepted Answer

A)  sight 
B)  hearing 
C)  touch 
D)  smell 
A)  sight 
B)  hearing 
C)  touch 
D)  smell

Question 15

____ is an exocrine gland.

Accepted Answer

A)  The kidney 
B)  The thyroid 
C)  An ovary 
D)  The pancreas 
A)  The kidney 
B)  The thyroid 
C)  An ovary 
D)  The pancreas

Question 16

Hormones

Accepted Answer

A)  bind to specific sensitive cells called target cells. 
B)  are produced only by the brain. 
C)  are required in high concentrations to have any effect. 
D)  are only able to diffuse short distances from where they are produced. 
A)  bind to specific sensitive cells called target cells. 
B)  are produced only by the brain. 
C)  are required in high concentrations to have any effect. 
D)  are only able to diffuse short distances from where they are produced.

Question 17

Disease in which a person's immune system attacks a person's own cells is known as

Accepted Answer

A)  immunodeficiency diseases. 
B)  autoimmune diseases. 
C)  allergic reactions. 
D)  rejection responses. 
A)  immunodeficiency diseases. 
B)  autoimmune diseases. 
C)  allergic reactions. 
D)  rejection responses.

Question 18

Balance is maintained by

Accepted Answer

A)  the tympanum. 
B)  ear bones. 
C)  semicircular canals. 
D)  the auditory tube. 
A)  the tympanum. 
B)  ear bones. 
C)  semicircular canals. 
D)  the auditory tube.

Question 19

A neuron and a nerve differ in that

Accepted Answer

A)  nerves are bundles of fibers and neurons are single cells. 
B)  neurons carry impulses and nerves do not. 
C)  neurons are found in the peripheral nervous system only. 
D)  nerves are attached to neurons. 
A)  nerves are bundles of fibers and neurons are single cells. 
B)  neurons carry impulses and nerves do not. 
C)  neurons are found in the peripheral nervous system only. 
D)  nerves are attached to neurons.

Question 20

The nervous system is most similar to which of the following?

Accepted Answer

A)  a radio broadcast system 
B)  a motor 
C)  a computer 
D)  a chemical reaction 
A)  a radio broadcast system 
B)  a motor 
C)  a computer 
D)  a chemical reaction

Exam 26: The Bodys Control Mechanisms and Immunity

Which of the following is not a bone?

This class of antibodies is responsible for many allergies and may help protect against parasitic worm infections.

Endocrine function typically involves

A resting neuron

Increased temperature, swelling, redness, and pain are the generalized symptoms of

The most sensitive portion of the retina of the eye is known as the

Neurotransmitters like acetylcholine

________________ is released from the posterior pituitary gland, acts slowly, and regulates the rate at which the body loses water through the kidneys.

Which of the following is a neurotransmitter?

Which of the following occurs during a nerve impulse?

The fovea centralis has the highest concentration of

The brain directly regulates the

Egg-laying in birds is under the control of

Which of the following senses involves molecules binding to a receptor surface?

____ is an exocrine gland.

Hormones

Disease in which a person's immune system attacks a person's own cells is known as

Balance is maintained by

A neuron and a nerve differ in that

The nervous system is most similar to which of the following?

What Is Biology

The Basics of Life: Chemistry

Organic Molecules: The Molecules of Life

Cell Structure and Function

Enzymes, Coenzymes, and Energy

Biochemical Pathways: Cellular Respiration

Biochemical Pathways: Photosynthesis

DNA and RNA: The Molecular Basis of Heredity

Cell Division: Proliferation and Reproduction

Patterns of Inheritance

Applications of Biotechnology

Diversity Within Species and Population Genetics

Evolution and Natural Selection

The Formation of Species and Evolutionary Change

Ecosystem Dynamics: The Flow of Energy and Matter

Community Interactions

Population Ecology

Evolutionary and Ecological Aspects of Behavior

The Origin of Life and the Evolution of Cells

The Classification and Evolution of Organisms

The Nature of Microorganisms

The Plant Kingdom

The Animal Kingdom

Materials Exchange in the Body

Nutrition: Food and Diet

Human Reproduction, Sex, and Sexuality

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