Exercise hyperventilation results from signals from ___________.
A) muscle and joint mechanoreceptors and proprioceptors only.
B) the carotid body chemoreceptors only.
C) muscle and joint mechanoreceptors and proprioceptors and from the carotid body
chemoreceptors.
D) activating pulmonary stretch receptors only.
E) muscle and joint mechanoreceptors and proprioceptors, the carotid body chemoreceptors,
and activating pulmonary stretch receptors.
C) muscle and joint mechanoreceptors and proprioceptors and from the carotid body
chemoreceptors.
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The muscle of the neck that appears to move anteriorly as axial CT images descend is the
A. scalene. B. platysma. C. SCM. D. longus capitis.
Which term describes the study of the functions of body structures?
a) anatomy b) physiology c) endocrinology d) histology e) immunology
Answer the following statements true (T) or false (F)
1. The main structural unit of the cell membrane is the protein molecule. 2. Phospholipids and cholesterol are two lipid molecules found in the cell membrane. 3. Carbohydrate chains and protein molecules in the cell membrane are used as identification tags for the cell. 4. The nonliving material between the cell nucleus and cell membrane is called the cytoplasm. 5. The ribosomes are the “power plants” of the cells.
Hormonal and neural changes during pregnancy function to facilitate diffusion of gases across the placenta. One way this occurs is by ________ respiration rate, thereby ________ CO2 levels in the blood.
A. increasing; lowering B. increasing; raising C. decreasing; lowering D. decreasing; raising