What is the most frequent cause of death in middle adulthood?
A. cancer
B. heart attack or stroke
C. firearms accident
D. automobile accident
Answer: B
You might also like to view...
A person's chance of dying from heart disease is roughly doubled if the person has
a. a professional occupation. b. anxiety. c. depression. d. schizophrenia.
Scientists believe that narcolepsy is caused by
a. an overactive thyroid gland. b. loss of brain cells in the hypothalamus. c. an underactive thyroid gland. d. loss of brain cells in the reticular system. e. substance abuse.
What distinguishes a reflex from an instinct?
a. In contrast to an instinct, a reflex does not depend on prior experience. b. In contrast to a reflex, an instinct does not depend on prior experience. c. An instinct is a more complex behavior than a reflex. d. A behavior is a more complex behavior than an instinct.
Answer the following statements true (T) or false (F)
1. Seven fluid-filled semicircular canals comprise the vestibular system. 2. Fluid-filled semicircular canals responsible for maintaining balance are arranged perpendicularly to one another in the inner ear. 3. Humans have approximately 10,000 types of ORNs. 4. Humans can discriminate among approximately 10,000 types of odorants. 5. Olfactory information is relayed to the olfactory bulb via the thalamus.