PSY 379 Exam 2 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Sheila hears her stomach growl. She hasn't eaten for four hours and she's starting to feel
hungry. The region of the brain responsible for making Sheila feel hungry is the: -
CORRECT ANSWER hypothalamus
A bodybuilder friend you haven't seen in a year seems to have grown several inches in height.
Your friend's sudden growth spurt may be caused by drugs that affect the: - CORRECT
ANSWER pituitary gland
The thyroid gland is important because it: - CORRECT ANSWER helps regulate the
body's metabolism
A living cell with the potential to develop into any other type of specialized cell is a(n): -
CORRECT ANSWER stem cell
Red blood cells, called erythrocytes, contain _____, which gives blood its red color. -
CORRECT ANSWER hemoglobin
Because raccoons have much greater control of their paws than dogs, you would expect
raccoons to have more cortical tissue dedicated to paw control in the motor cortex, which is
located at the back of the _____ lobes of their brains. - CORRECT ANSWER frontal
Arti ordered food from a local restaurant. After placing her order, she thought about how
delicious it would taste. She could smell the food being prepared, then watched as it was
brought to her table. Finally, she took a bite and enjoyed the combination of flavors in her
mouth. At which point in this sequence was her body capable of triggering the flow of gastric
juices? - CORRECT ANSWER when she thought about the food
Nutrition, medical care, and other environmental influences affect the expression of genes
through the process called: - CORRECT ANSWER DNA methylation
,Your neurons are constantly communicating. As you read this question, what chemical
messengers are your neurons releasing? - CORRECT ANSWER neurotransmitters
The disease- and infection-fighting cells of the immune system are: - CORRECT
ANSWER both T and B lymphocytes
Which is the correct sequence in the passage of air from the nose and mouth into the lungs? -
CORRECT ANSWER pharynx - larynx - trachea - bronchi
Insulin _____ and glucagon _____ in order to regulate the level of glucose in blood. -
CORRECT ANSWER decreases blood sugar levels; increases blood sugar levels
The immune system is located: - CORRECT ANSWER throughout the body in the
form of the lymphatic system
A person who inherits a gene that is not expressed in his or her observable characteristics is
said to be _____ for that gene. - CORRECT ANSWER a carrier
When an infection occurs in some part of your body, your brain is notified by communication
molecules called: - CORRECT ANSWER cytokines
Specific immunity can be conferred by vaccines, in which a weakened form of a virus or
bacteria is: - CORRECT ANSWER introduced to the body to stimulate the production
of antibodies
When a sperm and an ovum merge, a one-celled _____ is formed. - CORRECT
ANSWER zygote
The part of the human brain that is most like that of a fish brain is the: - CORRECT
ANSWER brainstem
, How do interferons work within the immune system? - CORRECT ANSWER They
prevent viruses from replicating.
The immune system is located: - CORRECT ANSWER throughout the body in the
form of the lymphatic system
A fertilized egg will develop into a boy if, at conception: - CORRECT ANSWER the
sperm contributes a Y chromosome
A main difference between eukaryotic cells and prokaryotic cells is that: - CORRECT
ANSWER eukaryotic cells contain organelles
Should scientists refer to the pituitary gland as the master gland of the endocrine system? -
CORRECT ANSWER No, the hypothalamus more properly deserves the title, because
it directly controls pituitary functioning.
After Darren's serious motorcycle accident, doctors detected damage to his cerebellum.
Darren is most likely to have difficulty: - CORRECT ANSWER playing his guitar
_____ are inflammation-causing chemicals released by the body in response to antigens. -
CORRECT ANSWER Histamines
The epigenome refers to the: - CORRECT ANSWER layer of proteins that package a
person's hereditary information and point cells to specific instructions
Air passages in the nose, mouth, and trachea are lined with tiny germ-trapping hairs called: -
CORRECT ANSWER cilia
Kendra wants to cut down on the number of soft drinks in her diet. Her plan begins with a
week of careful recordkeeping in which she counts the number of soft drinks she consumes
each day. This is an example of: - CORRECT ANSWER self-monitoring
QUESTIONS AND CORRECT ANSWERS
Sheila hears her stomach growl. She hasn't eaten for four hours and she's starting to feel
hungry. The region of the brain responsible for making Sheila feel hungry is the: -
CORRECT ANSWER hypothalamus
A bodybuilder friend you haven't seen in a year seems to have grown several inches in height.
Your friend's sudden growth spurt may be caused by drugs that affect the: - CORRECT
ANSWER pituitary gland
The thyroid gland is important because it: - CORRECT ANSWER helps regulate the
body's metabolism
A living cell with the potential to develop into any other type of specialized cell is a(n): -
CORRECT ANSWER stem cell
Red blood cells, called erythrocytes, contain _____, which gives blood its red color. -
CORRECT ANSWER hemoglobin
Because raccoons have much greater control of their paws than dogs, you would expect
raccoons to have more cortical tissue dedicated to paw control in the motor cortex, which is
located at the back of the _____ lobes of their brains. - CORRECT ANSWER frontal
Arti ordered food from a local restaurant. After placing her order, she thought about how
delicious it would taste. She could smell the food being prepared, then watched as it was
brought to her table. Finally, she took a bite and enjoyed the combination of flavors in her
mouth. At which point in this sequence was her body capable of triggering the flow of gastric
juices? - CORRECT ANSWER when she thought about the food
Nutrition, medical care, and other environmental influences affect the expression of genes
through the process called: - CORRECT ANSWER DNA methylation
,Your neurons are constantly communicating. As you read this question, what chemical
messengers are your neurons releasing? - CORRECT ANSWER neurotransmitters
The disease- and infection-fighting cells of the immune system are: - CORRECT
ANSWER both T and B lymphocytes
Which is the correct sequence in the passage of air from the nose and mouth into the lungs? -
CORRECT ANSWER pharynx - larynx - trachea - bronchi
Insulin _____ and glucagon _____ in order to regulate the level of glucose in blood. -
CORRECT ANSWER decreases blood sugar levels; increases blood sugar levels
The immune system is located: - CORRECT ANSWER throughout the body in the
form of the lymphatic system
A person who inherits a gene that is not expressed in his or her observable characteristics is
said to be _____ for that gene. - CORRECT ANSWER a carrier
When an infection occurs in some part of your body, your brain is notified by communication
molecules called: - CORRECT ANSWER cytokines
Specific immunity can be conferred by vaccines, in which a weakened form of a virus or
bacteria is: - CORRECT ANSWER introduced to the body to stimulate the production
of antibodies
When a sperm and an ovum merge, a one-celled _____ is formed. - CORRECT
ANSWER zygote
The part of the human brain that is most like that of a fish brain is the: - CORRECT
ANSWER brainstem
, How do interferons work within the immune system? - CORRECT ANSWER They
prevent viruses from replicating.
The immune system is located: - CORRECT ANSWER throughout the body in the
form of the lymphatic system
A fertilized egg will develop into a boy if, at conception: - CORRECT ANSWER the
sperm contributes a Y chromosome
A main difference between eukaryotic cells and prokaryotic cells is that: - CORRECT
ANSWER eukaryotic cells contain organelles
Should scientists refer to the pituitary gland as the master gland of the endocrine system? -
CORRECT ANSWER No, the hypothalamus more properly deserves the title, because
it directly controls pituitary functioning.
After Darren's serious motorcycle accident, doctors detected damage to his cerebellum.
Darren is most likely to have difficulty: - CORRECT ANSWER playing his guitar
_____ are inflammation-causing chemicals released by the body in response to antigens. -
CORRECT ANSWER Histamines
The epigenome refers to the: - CORRECT ANSWER layer of proteins that package a
person's hereditary information and point cells to specific instructions
Air passages in the nose, mouth, and trachea are lined with tiny germ-trapping hairs called: -
CORRECT ANSWER cilia
Kendra wants to cut down on the number of soft drinks in her diet. Her plan begins with a
week of careful recordkeeping in which she counts the number of soft drinks she consumes
each day. This is an example of: - CORRECT ANSWER self-monitoring
