WorksheetsPSB2000 Exam #3
Total questions: 30
Worksheet time: 15mins
Which is the first site in the auditory pathway to receive input form both left and right ears?
cochlear nucleus
inferior colliculi
superior olivary nuclei
medial geniculate nuclei of the thalamus
Vestibular information is crucial for which of the following?
balance
planning body movements
moving eyes to specific location
all of the above
Which of the following tastes activates ion channels?
sour
bitter
umami
sweet
Which of the following is the receptor system that converts vibration into neural activity?
auditory cortex
basilar membrane
organ of corti
stereocilia
Hair cells int he organ of Corti are activated via bending of what?
microvilli
cilia
stereocilia
nerve fibers
What is the primary auditory center of midbrain?
pinna
superior olivary nuclei
scala media
inferior colliculi
Which of the following are responsible for the pitch of sound?
frequency
wavelength
amplitude
none of these
The axons of which type of cell form the optic nerve?
bipolar cells
retinal ganglion cells
photoreceptors
hair cells
Which of the following parts of the eye changes to adjust focal distance?
cornea
pupil
lens
retina
At which point of the visual pathway do some axons begin to cross hemispheres?
LGN
superior colliculus
optic tract
optic chiasm
The posterior pituitary secretes which of the following hormones?
vasopressin
releasing hormones
tropic hormones
testosterone
Which type of hormone typically has its receptors located inside the target cell?
amines
steroids
peptides
both A and C
The pituitary gland is connected to the ______ by the pituitary stalk.
thalamus
midbrain
hippocampus
hypothalamus
Which of the following is a tropic hormone released from the anterior pituitary>
testosterone
GnRH
LH
estrogen
If an SRY gene is present, this leads to the development of ovaries.
true
false
All of the following are hormones release by the testes during sexual differentiation, EXCEPT what?
testosterone
DHT
progesterone
anti-mullerian hormone
Which itneresex conditions leads to an increase in both testosterone and DHT?
congenital adrenal hyperplasia (CAH)
DHT deficiency
androgen insensitivity syndrome
none of the above
Nuclei associated with human sexual behavior, such as the VMH and mPOA, are located in which brain region?
cortex
hypothalamus
amygdala
nucleus accumbens
Which of the following is a sexually dimorphic region in humans>
cortex
white matter
hypothalamus
all of the above
Which of the following regions is responsible for the most complex aspects of the sexual experience in humans?
amygdala
nucleus accumbens
cortex
hypothalamus
What type of biological rhythm lasts less than 24 hours?
circadian
infradian
ultradian
none of the above
Which stage of sleep has sleep spindles and K complexes?
Non-REM sleep stage 1
REM sleep
Non-REM sleep stage 3
Non-REM sleep stage 2
All of the following regions are involved in the neural control of sleep EXCEPT?
pons
hypothalamus
pituitary gland
basal forebrain
Which of the following results in a sudden loss of muscle tone, leading to collapse of the body without loss of consciousness?
night terrors
somnambulism
REM behavior disorder
cataplexy
Which of the following brain regions are ACTIVE while dreaming?
primary sensory cortex
hypothalamus
frontal cortex
locus coeruleus
All of the following are features of the suprachiasmatic nucleus except?
part of the hypothalamus
entrainment
master clock
sleep and temperature rhythmns
Which of the following is a feature of non-REM sleep stage 3?
delta waves
atonia
vivid dreams
50& of total sleep time is spent in this stage
Which of the following sleep disorders causes a person to be afflicted by frequent, intense attacks of sleep?
insomnia
narcolepsy
sleep paralysis
cataplexy
Which of the following is NOT a feature of benzodiazepines' effect on sleep?
block histamine receptors
suppress SWS and REM sleep
increase GABAergic inhibition but does not induce normal sleep
none of these
When ____ is lesioned, REM sleep is abolised.
basal forebrain
locus coeruleus
reticular formation
suprachiasmatic nucleus
