The total number of spinal nerves making connection to the spinal cord are:

Sympathetic nerves exiting the central nervous system transmit impulses through __________. A) cranial nerves III, VII, IX, and X B) T1 through L2 spinal nerves C) S2 through S4 spinal nerves D) A and C are both correct answers.

Farsightedness due to a shorter than normal eyeball is more properly called ________ and is a condition corrected by a ________ lens. A) myopia; convex and convergent B) myopia; concave and divergent C) hyperopia; convex and convergent D) presbyopia; concave and divergent

Which of the following is the correct order for transmission of a simple spinal reflex arc? A) effector, afferent neuron, integration center, efferent neuron, receptor B) receptor, afferent neuron, integration center, efferent neuron, effector C) effector, efferent neuron, integration center, afferent neuron, receptor D) receptor, efferent neuron, integration center, afferent neuron, effector

Oxytocin ________. A) is an adenohypophyseal secretion. B) controls milk production. C) exerts its most important effects during menstruation. D) release is an example of a positive feedback control mechanism.

With respect to hearing, which pairing of terms is incorrectly matched? A) high frequency of waveform signals at the cochlear base: soprano (high pitch) sounds B) low frequency of waveform signals at the cochlear apex: bass (low pitch) sounds C) long wavelength of waveform signals: loud sounds D) low amplitude of waveform signals: soft sounds

The epithalamus ________. A) is the thermostat of the body because it regulates temperature B) is an important auditory and visual relay center C) mediates voluntary motor activity D) releases an important hormone called melatonin

The “fight or flight” division of the autonomic nervous system is the ________. A) parasympathetic division B) sympathetic division C) somatic division D) peripheral nervous system

Impulses from all parts of the body converge at this location; thus, this area of the brain, serves as a relay center for impulses traveling to the cerebral cortex. A) Hypothalams B) Thalamus C) Epithalamus D) Corpora quadrigemina

Ventral spinal cord roots transmit ________ signals, while the dorsal roots transmit ________ signals. A) motor; sensory B) sensory; motor