Describe the locations of the parathyroid glands
A) They are located superior to each kidney.
B) They are embedded in the posterior surfaces of the lateral lobes of the thyroid gland.
C) They are embedded in the anterior surfaces of the isthmus of the thyroid gland.
D) They are located superior to the thyroid gland on the trachea.
E) They are located inferior to the greater curve of the stomach.
Answer: B
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Stimulation of granular cells by the sympathetic nervous system causes them to
A. contract. B. relax. C. release calcitriol. D. increase endocytosis.
Alveolar ventilation refers to the
A) movement of air into and out of the lungs. B) movement of dissolved gases from the blood to the alveoli. C) movement of dissolved gases from the alveoli to the blood. D) movement of air into and out of the alveoli. E) utilization of oxygen by alveolar cells to support metabolism.
Answer the following statements true (T) or false (F)
1. The expiratory center is located in the pons. 2. The cerebral cortex is responsible for the voluntary increase or decrease in breathing rate. 3. When stretch receptors in the lungs are stimulated, an inhibitory impulse is sent to the expiratory center in the brain. 4. Carotid bodies are sensitive to oxygen concentration, carbon dioxide concentration, and acid concentration in the blood. 5. Eupnea refers to difficulty or labored breathing.
A rat can be handled by holding the base of its tail
Indicate whether the statement is true or false