Why is the resting membrane potential negatively charged?
A. More sodium ions leak out of the neuron than move in
B. More potassium ions leak out the neuron than move in
C. More potassium ions move into the neuron than leak out
D. Both sodium and potassium ions constantly move into the cell
Answer: B. More potassium ions leak out the neuron than move in
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A. low blood pressure B. hyperactivity C. weight loss D. excessive skin pigmentation
Which of the following structures is not found in the shoulder?
A) The rotator cuff B) The radioulnar ligament C) The transverse humeral ligament D) The coracohumeral ligament E) The glenohumeral ligament
During surgery, general anesthesia inhibits the ________, causing unconsciousness in the patient.
A. reticular system B. basal nuclei C. limbic system D. hypothalamus
Asymmetric chest wall movement is characterized by:
A) chest rise that is minimally visible. B) one side of the chest moving less than the other. C) alternating movement of the chest and abdomen. D) a part of the chest wall that bulges during exhalation