NSC Lab Test 3 questions and answers
with solutions 2025
what is the difference between a stimulus and a reflex - ANSWER reflexes are involuntary and
stimulus is something that provokes a reaction
reflex - ANSWER an action that is performed as a response to a stimulus and without conscious
thought.
blind spot - ANSWER the point at which the optic nerve leaves the eye
stimulus - ANSWER any event or situation that evokes a response
what is the "near point" of the eye? - ANSWER the minimum distance of the object from the
eye, which can be seen distinctly without strain
what are "blind spots" and an after image? - ANSWER a blind spot is an obscuration of the visual
field and an after image is a lingering visual impression
what are the three functions of the skeleton? - ANSWER support, movement, and protection
what are the functions of tendons and ligaments? - ANSWER a tendon serves to move the bone
or structure.; a ligament usually serves to hold structures together and keep them stable
number of chambers in heart - ANSWER 4
with solutions 2025
what is the difference between a stimulus and a reflex - ANSWER reflexes are involuntary and
stimulus is something that provokes a reaction
reflex - ANSWER an action that is performed as a response to a stimulus and without conscious
thought.
blind spot - ANSWER the point at which the optic nerve leaves the eye
stimulus - ANSWER any event or situation that evokes a response
what is the "near point" of the eye? - ANSWER the minimum distance of the object from the
eye, which can be seen distinctly without strain
what are "blind spots" and an after image? - ANSWER a blind spot is an obscuration of the visual
field and an after image is a lingering visual impression
what are the three functions of the skeleton? - ANSWER support, movement, and protection
what are the functions of tendons and ligaments? - ANSWER a tendon serves to move the bone
or structure.; a ligament usually serves to hold structures together and keep them stable
number of chambers in heart - ANSWER 4
