Locomotion and movement
Q1
Errorless
AXIAL SKELETON
Numerical
Out of 'X' pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation
(a) X = 12, Y = 7
True ribs are attached dorsally to vertebral column and ventrally to the sternum.
(b) X = 12, Y = 5
True ribs are attached dorsally to vertebral column and sternum on the two ends.
(c) X = 24, Y = 7
True ribs are dorsally attached to vertebral column but are free on ventral side.
(d) X = 24, Y = 12
True ribs are dorsally attached to vertebral column but are free on ventral side.
(a) X = 12, Y = 7
True ribs are attached dorsally to vertebral column and ventrally to the sternum.
(b) X = 12, Y = 5
True ribs are attached dorsally to vertebral column and sternum on the two ends.
(c) X = 24, Y = 7
True ribs are dorsally attached to vertebral column but are free on ventral side.
(d) X = 24, Y = 12
True ribs are dorsally attached to vertebral column but are free on ventral side.
Correct Answer: A
Explanation:
Human has 12 pairs of ribs, out of which first 7 pairs are called true or vertebrosternal ribs, next 3 pair are called false or vertebrochondral ribs and last 2 pairs are called floating or vertebral ribs.
Q2
Errorless
Critical Thinking
Numerical
Which of the following sarcomeres is labelled correctly
Correct Answer: D
Explanation:
D