Ammonia usually ________.
A. acts as a buffer
B. ionizes to form a hydroxyl ion
C. acts as a base
D. acts as an acid
Answer: C
Anatomy & Physiology
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Which of following bones is NOT a tarsal bone?
a) Talus b) Calcaneus c) Navicular d) Cuneiform e) Capitate
Anatomy & Physiology
The cartilaginous flap that closes the trachea during swallowing is called the ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
The exposed part of a tooth is covered by:
a. enamel b. pulp c. connective tissue d. gingival tissue e. nerve root
Anatomy & Physiology
Brain centers for controlling cardiovascular, respiratory and digestive activity via the autonomic system are located in the
a. cerebrum. b. hypothalamus. c. medulla. d. sympathetic chain ganglia. e. spinal cord.
Anatomy & Physiology