All of the following elevate the ribs EXCEPT the ________
A) internal intercostals
B) scalene muscles
C) external intercostals
D) serratus posterior superior
A
Explanation:
B) The scalene muscles elevates the ribs.
C) The external intercostals elevate the ribs.
D) The serratus posterior superior elevates the ribs.
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Which of the following types of electrical signals allow rapid long-distance communication within the nervous system?
a) resting potential b) nerve action potential c) muscle action potential d) graded potential e) long-term potentiation
Which of the following is not an anterior relation of the abdominal aorta?
A) pancreas B) horizontal part of duodenum C) left kidney D) coils of jejunum and ileum E) root of the mesentery
Light falling on the retina is absorbed by rhodopsin and photopsin in the pigment epithelium.
Answer the following statement true (T) or false (F)
The molecule RNA contains the five -carbon sugar ________.
Fill in the blank(s) with the appropriate word(s).