How many layers of muscles comprise the intercostal group of muscles?
A) one
B) two
C) three
D) four
B
Explanation:
A) The intercostal group consists of two layers of muscles between the ribs that move the ribs during respiration: the external intercostals and the internal intercostals.
C) The intercostal group consists of two layers of muscles between the ribs that move the ribs during respiration: the external intercostals and the internal intercostals.
D) The intercostal group consists of two layers of muscles between the ribs that move the ribs during respiration: the external intercostals and the internal intercostals.
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Sharon is a 32-year-old horse trainer. While training a young horse, she was thrown off of the horse and suffered a mild head injury. The nurse inquires about the use of a helmet. Sharon replies, "This is the first time I have ever had a head injury from a horse. I don't think I need a helmet"; Based on your understanding of the skull, how should the nurse respond to the patient?
What will be an ideal response?
A test with a validity coefficient of .00 produces which of the following:
A. as many good selection decisions as bad ones B. a selection ratio less than 1.00 C. a high predictor cutoff D. more successful employee than unsuccessful employees
What purpose does reflex testing serve?
A) Reflex testing provides information about resting muscle tone. B) Reflex testing provides information about muscle strength. C) Reflex testing provides information about sensory receptors. D) Reflex testing provides information about the memory of a subject. E) Reflex testing provides information about the nervous system's functional status.
ACh binds to ________ receptors on cardiac muscle, smooth muscle, and gland cells.
Fill in the blank(s) with the appropriate word(s).