Answer: elastic
Question: The ability to switch objective lenses and stay in focus is known as resolution.
Answer: True
Question: The quality of a sound is based on the atmospheric pressure at the time the sound is generated.
Answer Options:
True
False
Answer: False
Question: Name the cranial nerve that controls the majority of the extra-ocular eye muscles (one word).
Answer: oculomotor
Question: Baseline skin temperature is ~33 C (91 F). Which of the following body temperatures best represents your baseline body temperature (physiological zero) several minutes after jumping into a relatively cold pool?
Answer Options:
102 F
87 F
91 F
37 F
99.5 F
Answer: 87 F
Question: The __________ ear houses the organs for hearing and equilibrium.
Answer Options:
Inner
Outer
Middle
Answer: Inner
Question: What can be used to clean the lens surfaces on the microscopes?
Answer Options:
lens wipes (like Zeiss wipes)
lens paper
all of the above
paper towel moistened with lens cleaner
Answer: all of the above
Question: The ________ is a measurement unit for the intensity (loudness) of sound.
Answer Options:
Frequency
Pitch
Decibel
Watt
Answer: Decibel
Question: A person that sways excessively and loses their balance while standing on one foot with eyes closed may have damage to this cranial nerve.
Answer Options:
Optic
Vestibulocochlear
Accessory
Trigeminal
Answer: Vestibulocochlear
Question: Tactile afterimage occurs as a result of the phenomenon known as ________, in which receptors become less sensitive in the presence of a continuous stimulus.
Answer Options:
Reflex arcs
Weber-Fechner principle
Discrimination
Adaptation
Answer: Adaptation
Question: Students used a felt-tip pen to mark a location on the skin with their eyes closed to demonstrate spatial discrimination. Where should the dots be closest together?
Answer Options:
Distal forearm
Proximal arm
Posterior lumbar region
Finger tips
Answer: Finger tips
Question: External strabismus and ptosis could be caused by damage to the oculomotor nerve.
Answer Options:
True
False
Answer: True
Question: What can be used to clean the lens surfaces on the microscopes?
Answer: lens paper
Question: Tactile afterimage occurs as a result of the phenomenon known as ________, in which receptors become less sensitive in the presence of a continuous stimulus.
Answer Options:
Weber-Fechner principle
discrimination
adaptation
reflex arcs
Answer: adaptation
Question: Cranial nerve XI which serves the sternocleidomastoid and trapezius is called:
Answer Options:
Vagus
Hypoglossal
Trigeminal
Accessory
Facial
Answer: Accessory
Question: Students used a felt-tip pen to mark a location on the skin with their eyes closed to demonstrate spatial discrimination. Where should the dots be closest together?
Answer Options:
Distal lower limb
Proximal arm
Posterior lumbar region
Finger tips
Answer: Finger tips
Question: Light passes through the entire thickness of the neural layer of the retina to excite the photoreceptors.
Answer Options:
True
False
Answer: True
Question: The sensory organ for hearing is within the ________.
Answer Options:
tympanic membrane
cochlea
endolymph
ossicle
Answer: cochlea
Question: Which cranial nerve is primarily affected when a dentist injects Novocaine into the gums to numb the teeth?
Answer Options:
Trigeminal
Hypoglossal
Glossopharyngeal
Facial
Answer: Trigeminal
Question: Facial pain could be caused by irritation of which cranial nerve?
Answer Options:
Facial
Accessory
Trochlear
Optic
Trigeminal
Answer: Trigeminal
Question: The extrinsic eye muscle motor units contain only 8 to 12 muscle cells and in some cases as few as 2 or 3 muscle cells.
Answer Options:
True
False
Answer: True
Question: The glossopharyngeal nerve is the only cranial nerve that contains sensory fibers.
Answer Options:
True
False
Answer: False
Question: Tactile afterimage occurs as a result of the phenomenon known as ________, in which receptors become less sensitive in the presence of a continuous stimulus.
Answer Options:
Weber-Fechner principle
discrimination
adaptation
reflex arcs
Answer: adaptation
Question: Tactile afterimage occurs as a result of the phenomenon known as ________, in which receptors become less sensitive in the presence of a continuous stimulus.
Answer Options:
Habituation
Weber-Fechner principle
Sensitization
Adaptation
Answer: Adaptation