Which of these descriptions best matches the term "external intercostal"?
A) accessory muscle of expiration
B) accessory muscle of inspiration
C) primary muscle of inspiration
D) contraction increases airway resistance
E) affects lung compliance
Answer: C
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Of the muscles that move the glenohumeral joint, two originate on the axial skeleton. Which ones?
a: Latissimus dorsi b: Deltoid c: Pectoralis major d: Teres major e: Coracobrachialis A. a and b B. a and c C. b and d D. c and e E. d and e
An excitatory postsynaptic potential (EPSP)
A) hyperpolarizes a neuron, decreasing the likelihood of an action potential. B) depolarizes a neuron, decreasing the likelihood of an action potential. C) hyperpolarizes a neuron, increasing the likelihood of an action potential. D) depolarizes a neuron, increasing the likelihood of an action potential.
The inflation reflex is activated when stretch receptors are stimulated during inspiration
Indicate whether the statement is true or false
During exercise, blood flow to the _____ remains fairly constant
a. kidney b. heart c. skin d. brain e. liver