Which of the following is NOT true of tonus?
A. It is a state of slight muscle contraction.
B. During periods of tonus, the motor units take turns contracting.
C. It occurs when a muscle is fully contracted.
D. It keeps the motor units healthy and ready to contract at any time.
E. All of these are true of tonus.
Answer: C
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Using the figure below, identify the labeled part.
1 Label M: ______________________________
2 Label N: ______________________________
3 Label O: ______________________________
4 Label P: ______________________________
5 Label Q: ______________________________
6 Label R: ______________________________
7 Label S: ______________________________
8 Label T: ______________________________
9 Label U: ______________________________
10 Label V: ______________________________
11 Label W: ______________________________
Diet-induced thermogenesis is highest after ingestion of ________.
A) spicy foods, like jalapeno peppers. B) carbohydrates. C) fats. D) proteins.
Which of the following occurs first?
A) An action potential arrives at the axon terminal. B) Extracellular calcium enters the axon terminal. C) Synaptic vesicles exit by exocytosis. D) Voltage-gated calcium channels are opened
A molecule with polar and nonpolar parts that only partially dissolves in water is described as ________.
Fill in the blank(s) with the appropriate word(s).