What histological structure immediately surrounds a central canal in compact bone?
A) osteon
B) lacunae
C) Haversian system
D) bone lamellae
D
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GH
A) is secreted by the anterior pituitary and binds to a plasma protein. B) is secreted by the anterior pituitary. C) binds to a plasma protein. D) is secreted by the posterior pituitary. E) is secreted by the posterior pituitary and binds to a plasma protein.
An increase in plasma levels of ACTH leads to an increase in plasma _______ levels
a. cortisol b. glucagon c. vasopressin d. parathyroid hormone e. epinephrine
Where is the integration center located for most autonomic reflexes?
A) Thoracic plexus B) Brachial plexus C) Spinal cord D) Hypothalamus and brain stem
As one ages, respiratory infections are increased because of reduced cilia activity of the respiratory tract.
Answer the following statement true (T) or false (F)