1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the correct option :
A
Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum
B
There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs
C
8th, 9th and 10th pairs of ribs articulate directly with the sternum
D
11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage.
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following muscular disorders is inherited?
A
Myasthenia gravis
B
Botulism
C
Tetany
D
Muscular dystrophy
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Calcium is important in skeletal muscle contraction because it
A
detaches the myosin head from the actin filament
B
binds to troponin to remove the masking of active sites on actin for myosin
C
prevents the formation of bonds between the myosin cross bridges and the actin filament.
D
activates the myosin ATPase by binding to it
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
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=5

  
True ribs are attached dorsally
to vertebral column and sternum
on the two ends
B
X=24, Y=2

The true ribs are dorsally attached
to vertebral column but are free on
ventral side
C
X=24, Y=12


True ribs are dorsally attached
to vertebral column but are free on
ventral side
D
X=12, Y=7


True ribs are attached dorsally to
vertebral column and ventrally to
the sternum
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