If there is a blockage between the AV node and the AV bundle, how will this affect the appearance of the electrocardiogram?
A) The QRS interval will be longer.
B) The PR interval will be smaller.
C) The T wave will disappear.
D) There will be more P waves than QRS complexes.
E) There will be more QRS complexes than P waves.
D) There will be more P waves than QRS complexes.
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Changes in the external and internal environment can produce ________ that are detected by the sensory system.
A. stimuli B. sensations C. adaptations D. receptors E. transducers
The skin is not able to receive stimuli because the cells of the epidermis are not living and therefore there are no sensory receptors in the skin
Indicate whether the statement is true or false
Which of the following is a nerve of the cervical plexus?
A) median nerve B) lesser occipital nerve C) axillary nerve D) nerve to subclavius E) All of the answers are correct.
What occurs because of increased capillary permeability at the site of inflammation?
A. Increased pressure from fluid causes pain. B. Escaped fluids cause swelling. C. Clotting factors move into tissues. D. All apply.