Damage to the phrenic nerve would result in
A. the loss of motor activity in the arms.
B. an increased heart rate.
C. an inability to swallow.
D. difficulty breathing.
E. a decreased heart rate.
D
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Suzanne is really into yoga. She has a goal of spending an entire day in an inverted (upside down) position. To do this, she'll need to eat in the inverted position. Unfortunately, because food moves from the pharynx to the stomach by gravity alone, she will find it impossible to eat while inverted.
Answer the following statement true (T) or false (F)
An autorhythmic heart cell is one in which
A. action potentials fire spontaneoulsy. B. action potentials are stimulated by internal stores of acetylcholine. C. action potentials always occur at exactly the same frequency. D. all filaments contract and relax with a high degree of synchrony. E. action potentials are initiated by the autonomic nervous system.
What is the basic anatomical pattern that humans and other vertebrate animals share?
What will be an ideal response?
What is the result of renal autoregulation?
a) the reabsorption of sodium is altered as necessary depending on the GFR b) the rate of urine output is unchanged regardless of the GFR c) the GFR is held steady regardless of changes in the mean arterial pressure