Sophia Human Biology Milestone 3
Sophia Human Biology Milestone 3
1
Which of these is TRUE of a neuron at resting potential?
The neuron has more
... [Show More] positive charges inside than outside.
The neuron has more potassium ions inside than outside.
Sodium-potassium pumps transport potassium ions out of the neuron.
Sodium-potassium pumps transport sodium ions into the neuron.
CONCEPT
Membrane Potential and Action Potential
2
Which structure of the ear monitors movement and equilibrium via its semicircular canals and two fluid-filled sacs?
Tectorial membrane
Organ of Corti
Cochlea
Vestibular apparatus
CONCEPT
Ear Anatomy and Hearing
3
Which lobe of the brain is responsible for vision?
Frontal lobe
Temporal lobe
Occipital lobe
Parietal lobe
CONCEPT
Forebrain and Its Cerebrum
4
What triggers an action potential?
A neurotransmitter
An exciting signal
An inhibiting signal
A synapse
CONCEPT
Neurotransmitters
5
What parts of the mouth contain taste receptors?
Tongue and throat
Tongue and roof of the mouth
Throat and roof of the mouth
Tongue, throat and roof of the mouth
CONCEPT
Smell & Taste
6
Parkinson’s disease is caused by __________.
the breakdown of neurons, affecting neurotransmitter production
an injury to the spinal cord
an injury in the peripheral nervous system
a viral infection that affects various parts of the brain
CONCEPT
Nervous System Health and Disorders
7
Amy meets her new coworker for the first time and realizes they went to high school together.
Which type of receptor most likely allowed for this realization?
Osmoreceptor
Nociceptor
Thermoreceptor
Photoreceptor
CONCEPT
Sensory Receptors
8
In the future, spinal cord injuries and diseases like Parkinson's may be treated with _________.
Schwann cells
mechanoreceptors
chemoreceptors
stem cells
CONCEPT
Stem Cells
9
Which nerves are mostly involved in pupil dilation and other "fight-or-flight" responses?
Sympathetic
Autonomic
Parasympathetic
Somatic
CONCEPT
Central And Peripheral Nervous System
10
Which ear disorder occurs when movement over-stimulates the hair cells found in the inner ear?
Tinnitus
Vertigo
Otis media
Motion sickness
CONCEPT
Disorders of the Ear
11
Which part of the eye does light enter through?
Iris
Retina
Fovea
Pupil
CONCEPT
Vision
12
What is the cerebral spinal fluid's primary role?
Washing the brain of metabolic waste
Keeping an adequate amount of blood flowing into the brain
Connecting the brain to the skull
Preventing viruses, toxins and bacteria from entering the brain's blood supply
CONCEPT
The Brain
13
Which eye disorder has the following characteristics?
Eyeball is wider than it is tall.
Images focus in front of the retina rather than on it.
Myopia
Hyperopia
Glaucoma
Retinoblastoma
CONCEPT
Disorders of the Eye
14
Which part of the neuron receives signals from other neurons?
Axon endings
Trigger zone
Conducting zone
Dendrites
CONCEPT
Neurons
15
The _______ is the part of the brain that controls voluntary movements, while the ______ helps regulate activities that we do not control, including breathing and heartbeat.
medulla oblongata; pons
midbrain; hindbrain
cerebellum; cerebrum
cerebellum; medulla oblongata
CONCEPT
Hindbrain and Midbrain
16
What are glial cells?
A group or mass of neuron cells
Cells found only in the central nervous system
Cells that nourish and support neurons
A bundle of neuron axons
CONCEPT
Nerves as Information Pathways
17
Which area of the brain receives information collected from mechanoreceptors?
Pons
Medulla
Somatosensory cortex
Olfactory lobe
CONCEPT
Somatic Sense [Show Less]