MCAT 132 Behavioral Sciences - Connor Fraser Quiz - Gradiuz
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MCAT 132 Behavioral Sciences - Connor Fraser Quiz

Quiz generated from MCAT 132 Behavioral Sciences - Connor Fraser

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Question 1

Which division of the nervous system consists of the brain and spinal cord?

  • Central nervous system (CNS)
  • Peripheral nervous system (PNS)
  • Somatic nervous system
  • Autonomic nervous system (ANS)
Question 2

The sympathetic nervous system is activated by stress and mediates fight-or-flight.

  • True
  • False
Question 3

Which type of neuron carries information from sensory receptors to the brain?

  • Sensory/afferent neuron
  • Motor/efferent neuron
  • Interneuron
  • Hair cell
Question 4

From shallowest to deepest, the meningeal layers are dura mater, arachnoid mater, and ____ mater.

Fill in the blank

Question 5

Which structure relays incoming sensory information except smell?

  • Thalamus
  • Hypothalamus
  • Pineal gland
  • Posterior pituitary
Question 6

Destruction of the basal ganglia is associated with which condition?

  • Parkinson's disease
  • Alzheimer's disease
  • Schizophrenia
  • Epilepsy
Question 7

Which area is responsible for speech production and is located in the left hemisphere of the precentral gyrus?

  • Broca's area
  • Wernicke's area
  • Prefrontal cortex
  • Auditory cortex
Question 8

GABA is an excitatory neurotransmitter that promotes relaxation.

  • True
  • False
Question 9

The reflex in which stimulating an infant's foot causes the toes to spread is the ____ reflex.

Fill in the blank

Question 10

Which germ layer gives rise to the nervous system?

  • Ectoderm
  • Endoderm
  • Mesoderm
  • Blastula
Question 11

Which receptors detect noxious stimuli?

  • Nociceptors
  • Osmoreceptors
  • Thermoreceptors
  • Photoreceptors
Question 12

Stranger anxiety typically appears around ____ months of age.

Fill in the blank

Question 13

What does Weber's law state?

  • The just-noticeable difference is a constant proportion of the original stimulus intensity.
  • The absolute threshold is identical for all sensory systems.
  • Subliminal stimuli are always consciously perceived.
  • The difference threshold decreases as stimulus intensity increases.
Question 14

The absolute threshold is the minimum stimulus intensity that can be detected.

  • True
  • False
Question 15

In signal detection theory, what is a false alarm?

  • A signal is not presented but the observer reports detecting it.
  • A signal is presented and correctly identified.
  • A signal is presented but the observer fails to detect it.
  • A signal is not presented and the observer correctly reports no signal.
Question 16

What is the just-noticeable difference (JND)?

  • The minimum difference in intensity between two stimuli that can be detected.
  • The minimum stimulus intensity that can be detected at all.
  • The perception of a stimulus below the absolute threshold.
  • A nonsensory factor that influences signal reporting.
Question 17

Which structure is the white outer layer of the eye?

  • Sclera
  • Cornea
  • Iris
  • Retina
Question 18

Which part of the eye is the center of the macula and contains only cones?

  • Fovea
  • Optic disc
  • Ciliary body
  • Choroid
Question 19

Which muscle opens the pupil under sympathetic nervous system control?

  • Constrictor pupillae
  • Ciliary muscle
  • Dilator pupillae
  • Orbicularis oculi
Question 20

Which retinal cells group together to form the optic nerve?

  • Ganglion cells
  • Bipolar cells
  • Amacrine cells
  • Horizontal cells
Question 21

What is the correct order of the visual pathway after the optic chiasm?

  • Optic tract โ†’ lateral geniculate nucleus (LGN) of the thalamus โ†’ optic radiations โ†’ visual cortex
  • Optic radiations โ†’ LGN of the thalamus โ†’ optic tract โ†’ visual cortex
  • Optic tract โ†’ visual cortex โ†’ LGN of the thalamus โ†’ optic radiations
  • Optic nerve โ†’ optic tract โ†’ LGN of the thalamus โ†’ optic radiations
Question 22

Which structure in the auditory pathway mediates the startle reflex?

  • Inferior colliculus
  • Medial geniculate nucleus
  • Superior olive
  • Organ of Corti
Question 23

The membrane at the top of the organ of Corti is the ______ membrane.

Fill in the blank

Question 24

Which fluid fills the membranous labyrinth of the inner ear?

  • Endolymph
  • Perilymph
  • Aqueous humor
  • Vitreous humor

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