The cones in the eye:
a. are part of the retinal layer
b. respond to the colors red, green, and blue
c. are used to see in dim light
d. both A and B above
d. both A and B above
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The part of the serous membrane that lines the peritoneal cavity wall is called visceral peritoneum
Indicate whether this statement is true or false?
Answer the following statements true (T) or false (F)
1. The tongue can be seen in a cross-section in the upper cervical levels. 2. The heart can be seen in a cross-section in the middle thoracic levels. 3. The trachea can be seen in a cross-section in the upper thoracic levels. 4. The cecum can be seen in a cross-section in the lower thoracic levels. 5. The stomach can be seen in a cross-section in the lower thoracic levels.
If the cells of the SA node failed to function, how would the heart rate be affected?
A) The heart would beat faster because the AV node would be the pacemaker. B) The heart would beat slower because the AV node would be the pacemaker. C) The heart would stop beating because the SA node was not acting as the pacemaker. D) The heart would go into an arrhythmia because the Purkinje fibers would try to be the pacemaker. E) The heart would beat faster because the inherent rate of myocardial depolarization is faster than the SA node pacemaker.
After properly positioning the patient's head for intubation, you should open his or her mouth and insert the blade:
A) into the right side of the mouth and sweep the tongue to the left. B) in the midline of the mouth and gently lift upward on the tongue. C) into the left side of the mouth and move the blade to the midline. D) in the midline of the mouth and gently sweep the tongue to the left.