Autonomic Nervous System Lab Quiz

What are the two subdivisions of the autonomic nervous system?

• Motor and Sensory

• Somatic and Autonomic

• Central and Peripheral

• Sympathetic and Parasympathetic

What is the aim of the Pupillary Light Reflex test?

• To measure blood pressure

• To assess autonomic control of the eye

• To evaluate cardiovascular functions

• To test reflexes in the hand

Which Reflex are responsible for pupillary constriction?

• Sensory

• Motor

• Sympathetic

• Parasympathetic

What is the aim of the Cold Pressor Response test?

• To evaluate cardiovascular autonomic functions

• To assess eye reflexes

• To test hand coordination

• To measure respiratory rate

What is the normal response in the Cold Pressor Response test?

• No change in blood pressure

• Decreases heart rate

• Increases systolic BP by 20 mmHg and diastolic BP by 10 mmHg

• Decreases systolic BP by 20 mmHg

What acts as a stimulus in the Cold Pressor Response test?

• Sound

• Heat

• Cold water

• Light

Which nerve fibers are involved in the Cold Pressor Response test?

• Motor Efferent

• Sympathetic Efferent

• Sensory Afferent

• Parasympathetic Efferent

What is the effect of cold water in the Cold Pressor Response test?

• Vasoconstriction of peripheral blood vessels

• Relaxation of muscles

• Decreased heart rate

• Vasodilation of blood vessels

What is the role of the optic nerve in the Pupillary Light Reflex?

• Convey visual information to the brain

• Control heart rate

• Control pupil size

• Regulate blood flow

What is the function of the pupillary dilator muscles?

• Control digestion

• Innervated by sympathetic nerves

• Innervated by parasympathetic nerves

• Control breathing