EXAM 4 PRACTICE BIOL 223A UPDATED ACTUAL
QUESTIONS WITH CORRECT ANSWERS
Question 1.
A person with damage to this part of the brain (indicated by the arrow) will have normal acoustic
reflexes but will have difficulty performing which of the following functions?
A. interpreting sounds and recognizing a pattern in them
B. directing input from the thalamus to the brainstem C. sending auditory information to the midbrain
D. directing a variety of motor reflexes to sound
ANSWER
A. interpreting sounds and recognizing a pattern in them
Question 2.
Which of the following is not one of the six primary taste sensations?
A. umami
B. salty
C. sour
D. peppery
E. sweet
ANSWER
D. peppery
,Question 3.
Which of the following does NOT happen when a cone or rod is stimulated by light:
The plasma membrane becomes hyperpolarized
Sodium ion channels open causing depolarization
Phosphodiesterase breaks down cGMP
The retina changes shape after the opain? Absorbs the light
Less neurotransmitter is released
ANSWER
Sodium ion channels open causing depolarization
Question 4.
Which of the following would NOT be associated with the sympathetic response?
Increased blood flow to the brain
Dilation of the pupils
Glycogen breakdown to glucose
Increased digestion
Increased respiratory rate
ANSWER
Increased digestion
Question 5.
The taste sensation that is triggered by the amino acid glutamate is known as:
A. peppery.
B. salty.
C. sweet.
D. sour.
E. umami
ANSWER
E. umami
, Question 6.
Damage to the fovea of the eye would interfere with the ability to:
Focus light rays from an image onto the retina
Regulate the amount of light striking the retina
Have clear vision and see color in bright light
See in dim light
Get enough oxygen and nutrients to cells of the retina
ANSWER
Have clear vision and see color in bright light
Question 7.
Which of the following is true?
Beta 1 blocking drugs will decrease heart rate and force of heart contraction
Drugs that block the re-uptake of norepinephrine as synapse between postganglionic axons abd
effectors would reduce sympathetic activation of effectors
Constriction of the bronchioles of the lung could be increased in response to either a sympathetic
agonist or a parasympathetic antagonist
Alpha adrenergic receptors are activated by norepinephrine but not by epinephrine
All of the above are true.
ANSWER
Beta 1 blocking drugs will decrease heart rate and force of heart contraction
Question 8.
The processing center for auditory reflexes is located in the:
Inferior colliculus
Superior cervical chain ganglion
Collateral ganglia
Saccule area of the vestibule
Temporal lobe
ANSWER
Temporal lobe
(check)
QUESTIONS WITH CORRECT ANSWERS
Question 1.
A person with damage to this part of the brain (indicated by the arrow) will have normal acoustic
reflexes but will have difficulty performing which of the following functions?
A. interpreting sounds and recognizing a pattern in them
B. directing input from the thalamus to the brainstem C. sending auditory information to the midbrain
D. directing a variety of motor reflexes to sound
ANSWER
A. interpreting sounds and recognizing a pattern in them
Question 2.
Which of the following is not one of the six primary taste sensations?
A. umami
B. salty
C. sour
D. peppery
E. sweet
ANSWER
D. peppery
,Question 3.
Which of the following does NOT happen when a cone or rod is stimulated by light:
The plasma membrane becomes hyperpolarized
Sodium ion channels open causing depolarization
Phosphodiesterase breaks down cGMP
The retina changes shape after the opain? Absorbs the light
Less neurotransmitter is released
ANSWER
Sodium ion channels open causing depolarization
Question 4.
Which of the following would NOT be associated with the sympathetic response?
Increased blood flow to the brain
Dilation of the pupils
Glycogen breakdown to glucose
Increased digestion
Increased respiratory rate
ANSWER
Increased digestion
Question 5.
The taste sensation that is triggered by the amino acid glutamate is known as:
A. peppery.
B. salty.
C. sweet.
D. sour.
E. umami
ANSWER
E. umami
, Question 6.
Damage to the fovea of the eye would interfere with the ability to:
Focus light rays from an image onto the retina
Regulate the amount of light striking the retina
Have clear vision and see color in bright light
See in dim light
Get enough oxygen and nutrients to cells of the retina
ANSWER
Have clear vision and see color in bright light
Question 7.
Which of the following is true?
Beta 1 blocking drugs will decrease heart rate and force of heart contraction
Drugs that block the re-uptake of norepinephrine as synapse between postganglionic axons abd
effectors would reduce sympathetic activation of effectors
Constriction of the bronchioles of the lung could be increased in response to either a sympathetic
agonist or a parasympathetic antagonist
Alpha adrenergic receptors are activated by norepinephrine but not by epinephrine
All of the above are true.
ANSWER
Beta 1 blocking drugs will decrease heart rate and force of heart contraction
Question 8.
The processing center for auditory reflexes is located in the:
Inferior colliculus
Superior cervical chain ganglion
Collateral ganglia
Saccule area of the vestibule
Temporal lobe
ANSWER
Temporal lobe
(check)
