Page 44 - E-Modul Konsep Tekanan Zat Pada Makhluk Hidup_Neat
P. 44

Soal (Literasi Sains)



                               Isilah soal pilihan ganda berikut ini!





           7 .   B e r d a s a r k a n    a r t i k e l    d i a t a s ,    me k a n i s me    i n s p i r a s i    p e r n a p a s a n    p e r u t    y a n g
                t e p a t   a d a l a h . . .   ( K a i t k a n   d e n g a n   k o n s e p   t e k a n a n )

                A .   Ot o t   a n t a r   t u l a n g   r u s u k   b e r k o n t r a k s i   - - >   t u l a n g   r u s u k   t e r a n g k a t   ( p o s i s i

                     d a t a r )    - - >    P a r u - p a r u    me n g e mb a n g    - - >    t e k a n a n    u d a r a    d a l a m   p a r u -
                     p a r u    me n j a d i    l e b i h    k e c i l    d i b a n d i n g k a n    t e k a n a n    u d a r a    l u a r    - - >    u d a r a

                     l u a r   ma s u k   k e   p a r u - p a r u .
                B .  Ot o t    a n t a r    t u l a n g    r u s u k    r e l a k s a s i    - - >    t u l a n g    r u s u k    me n u r u n    - - >    p a r u -

                     p a r u    me n y u s u t    - - >    t e k a n a n    u d a r a    d a l a m   p a r u - p a r u    l e b i h    b e s a r
                     d i b a n d i n g k a n   d e n g a n   t e k a n a n   u d a r a   l u a r   - - >   u d a r a   k e l u a r   d a r i   p a r u -
                     p a r u .

                C.   S e k a t   r o n g g a   d a d a   ( d i a f r a g ma )   b e r k o n t r a k s i    p o s i s i    d a r i    me l e n g k u n g
                     me n j a d i    me n d a t a r      p a r u - p a r u    me n g e mb a n g      t e k a n a n    u d a r a    d a l a m

                     p a r u - p a r u   l e b i h   k e c i l   d i b a n d i n g k a n   t e k a n a n   u d a r a   l u a r   u d a r a   ma s u k .
                D .  Ot o t    d i a f r a g ma    r e l a k s a s i      p o s i s i    d a r i    me n d a t a r    k e mb a l i    me l e n g k u n g

                        p a r u - p a r u    me n g e mp i s      t e k a n a n    u d a r a    d i    p a r u - p a r u    l e b i h    b e s a s
                     d i b a n d i n g k a n   t e k a n a n   u d a r a   l u a r   u d a r a   k e l u a r   d a r i   p a r u - p a r u .


           8 .   P r o s e s    p e n g i k a t a n    d a n    p e l e p a s a n    o k s i g e n    d i p e n g a r u h i    Ol e h    t e k a n a n

                o k s i g e n ,   k a d a r   o k s i g e n ,   d a n   k a d a r   k a r b o n d i o k s i d a   d i   j a r i n g a n   t u b u h ,   d a n
                t e r j a d i   s e c a r a   d i f u s i .   A p a b i l a   t e k a n a n   o k s i g e n   d i   u d a r a   ( P O₂ = 1 6 0   mmH g ) ,
                d a l a m  a l v e o l u s   ( P O₂ = 1 0 5 mmH g ) .   d i   a r t e r i   1 0 0   mmH g ,   d i   j a r i n g a n   4 0   mmH g ,

                d i   v e n a   l e b i h   k e c i l   4 0   mmH g .   K a r e n a   p e r b e d a a n   t e k a n a n   p a r s i a l   t e r s e b u t ,
                ma k a   h a l   y a n g   t e r j a d i   a d a l a h :

                 A .   CO₂   a k a n   ma s u k   k e   d a l a m  t u b u h   me l a l u i   i n s p i r a s i

                 B .   CO₂   a k a n   d i k e l u a r k a n   d a r i   t u b u h   me l a l u i   e k s p i r a s i
                 C.   O₂   a k a n   ma s u k   k e   d a l a m  t u b u h   me l a l u i   i n s p i r a s i

                 D .   O₂   a k a n   d i k e l u a r k a n   d a r i   t u b u h   me l a l u i   e k s p i r a s i














                                                           36
   39   40   41   42   43   44   45   46   47   48