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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
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