What cranial nerve causes movements of the tongue involved in speaking, manipulating food and swallowing?
A) facial
B) hypoglossal
C) trigeminal
D) vagus
Answer: B) hypoglossal
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Doctor Johansson wants to test a patient's reflexes by briskly striking the patellar tendon with a reflex hammer. Which reflex is Dr. Johansson testing?
A. Crossed extensor reflex B. Reciprocal innervation C. Withdrawal reflex D. Knee-jerk reflex E. Golgi tendon reflex
The sum of the electrical and chemical forces acting on an ion is known as its ________ gradient
A) osmotic B) chemiosmotic C) concentration D) potential E) electrochemical
Ribose is the
A. storage carbohydrate in animals. B. storage carbohydrate in plants. C. major nutrient for most body cells. D. nondigestible plant polysaccharide. E. sugar found in RNA and ATP.
The sleep/wake cycle is influenced by the
A. basal nuclei. B. reticular formation. C. vermis. D. thalamic nuclei. E. cerebellum.