Ch. 13 & 15 Review

What are incorrect parts of the spinal cord?

• Dorsal white column deals with sensory

• Dorsal root contains the dorsal root ganglion

• Lateral horn deals with somotatic motor nuclei 

• Ventral white column deals with motor

It's a trick question to ask what are all of the pathways of the spinal cord because there's SO many.

• True

• False

What is the correct pathway of the reflex arc?

• Receptor --> Sensory neuron -> spinal cord -> effector.

• Receptor --> Effector -> sensory neuron -> spinal cord.

• Receptor -> Sensory neuron -> spinal cord --> motor neuron --> effector

• Spinal cord -> motor neuron -> effector.

Which in incorrect with these reflexes?

• Stretch: Contract due to overstretched muscle

• Tendon: Relax due to overcontraction of a muscle

• Flexor and crossed extensor:  Contract flexor, relax extensor. Only ipsilateral.

• All of these are correct

Which nerve is incorrectly matched with its innervation?

• Phrenic - lungs

• Radial - posterior forearm

• Femoral - anterior thigh

• Peroneal - anterior and lateral leg

Is there anything that you found confusing or need extra clarification on Ch. 13? You can also post questions here.

What is the correct difference between sympathetic and parasympathetic?

• Sympathetic dilates the blood vessels and bronchioles

• Parasympathetic constricts the vessels and bronchioles

• Sympathetic constricts the pupils while parasympathetic dilates

• Sympathetic increases blood pressure

What is the incorrect difference between sympathetic and parasympathetic?

• Sympathetic has chained ganglia

• Sympathetic postganglion neurons are long

• Parasympathetic preganglions are short

• All of these are correct

Which is an incorrect ganglia or nerve of the ANS?

• Ciliary - eyes

• Splanchnic - pelvic area

• Renal - spleen

• Celiac - GI

Is there anything that you found confusing or need extra clarification on Ch. 15? You can also post questions here.

Tags

NGSS.HS-LS1-3