The pectoralis major and minor and subclavius muscles are part of the anterior thoracic region group of muscles.
Answer the following statement true (T) or false (F)
True
Rationale: See the section “Muscles” and Figure 5-14.
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Which of the following types of neurons have axons that extend from the brain to the lower motor neurons?
a) upper motor neurons b) primary neurons c) somatic sensory neurons d) preganglionic autonomic neurons e) postganglionic autonomic neurons
The bronchioles are rigid, non-muscular airways, encircled by a series of cartilaginous rings
Indicate whether the statement is true or false
All of the following are true of neural reflexes except that they
A) are automatic motor responses. B) are the simplest form of behavior. C) help preserve homeostasis. D) usually cannot be suppressed by the brain. E) involve at least two neurons.
Venoconstriction reduces the diameter of which vessel?
A) artery B) arteriole C) capillary D) venule E) vein