Which of the following occurs when tension production rises to a peak and very brief periods of relaxation occur?
A) resting period
B) latency
C) tension plateau
D) incomplete tetanus
E) complete tetanus
D) incomplete tetanus
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What is the primary form in which CO2 is transported in the blood?
a. physically dissolved b. bound to hemoglobin c. bound to plasma protein d. as bicarbonate e. as carbonic anhydrase
Which cranial nerves have visceral motor fibers?
a. 10 only b. 3,7,9, and 10 c. 9 and 10 d. 3,4,5,6,7,9,11, and 12
What is the smallest functional unit of a muscle contraction?
A) Myofibril B) Sarcomere C) Myofilament D) T-tubule
Select which steps are part of the voluntary movement process
Initiation begins in the brainstem. Initiation begins in the primary motor area of the cerebral cortex. Lower motor neurons receive messages from upper motor neurons. Smooth muscle in the skin is stimulated to contract. The cerebellum and basal nuclei coordinate the information for these movements. Upper motor neurons receive information from lower motor neurons.