Nervous System I: Nervous Tissue Overview

Which type of neuron conducts impulses from sensory receptors to the central nervous system?

Dendrites are responsible for transmitting signals away from the cell body.

What is the function of the cell body in a neuron?

The ______ is a fatty covering around the axon that speeds up signal transmission.

Match the following neuron structures with their corresponding functions:

Which of the following is NOT a type of neuroglia cell?

Schwann cells are responsible for producing myelin in the central nervous system (CNS).

What is the function of the myelin sheath gaps (nodes of Ranvier) along the axon?

The ______ neuron integrates information from sensory neurons and transmits it to motor neurons.

Which of the following is NOT a function of neuroglia cells?

Astrocytes are responsible for providing structural support and helping to maintain the blood-brain barrier.

What is the function of the synaptic terminals?

The ______ neuron conducts impulses from the central nervous system to an effector.

Which of the following is responsible for producing myelin in the peripheral nervous system?

Microglia are responsible for removing debris and pathogens from the nervous system.

What type of neuron has a single dendrite and one axon?

The primary function of Schwann cells is to produce myelin in the CNS.

What is the function of the astrocytes?

The ______ is the outermost and toughest layer of the meninges.

Which of these is NOT a function of the cerebrospinal fluid (CSF)?

Match the following structures with their correct descriptions:

The anterior horn of the gray matter contains sensory neurons.

What is the function of the epidural space?

The ______ is a strand of connective tissue that anchors the spinal cord to the coccyx.

Which of these is located between the dura mater and the arachnoid mater?

The posterior root ganglia contain clusters of neuron cell bodies.

What is the primary function of the white matter in the spinal cord?

The ______ is a shallow groove that divides the spinal cord into left and right halves, located along the posterior midline.

What is the main function of the satellite cells in the PNS?

Microglia are responsible for producing myelin in the CNS.

What is the difference between the anterior and posterior roots of spinal nerves?

The ______ is a space filled with CSF, located between the arachnoid mater and pia mater.

Which of the following is NOT a function of the pia mater?

What should the subject do after collecting saliva with a swab dipped in glucose?

The pupil diameter should increase when a penlight is flashed into the eye.

What should the tester monitor during the Diving Reflex Procedure?

The subject's mouth should be rinsed with ____ before collecting saliva again.

Match the following steps to their corresponding procedures:

During the biceps reflex procedure, where should the tester place their thumb?

The triceps reflex procedure requires the subject to rest their arm completely.

What should be recorded after conducting the plantar flexion reflex?

The tester must use the ______ end of the pencil to perform the plantar flexion reflex.

In the salivary reflex demonstration, what should be done first with the cotton swab?

The results from the reflex tests should be recorded in Table 11.1.

What is the purpose of rinsing the mouth with water before the salivary reflex test?

Match the reflex test with its description:

What is one of the functions of the autonomic nervous system mentioned?

The iris dilates the pupil when exposed to dim light.

What effect does the autonomic nervous system have on heart rate?

The ______ reflects the involuntary response of muscles to stimuli.

Match the reflex types with their descriptions:

What is the normal response for the Achilles reflex?

The patellar reflex results in a slight flexion of the lower leg at the knee.

What muscle is primarily responsible for the biceps reflex?

The normal plantar flexion response in adults involves the toes ______.

Match the reflex to its effectors:

Which option describes the normal response for the triceps reflex?

The Babinski sign indicates abnormal plantar flexion in adults.

At what age is the Babinski sign considered normal?

The ______ reflex involves slight extension of the lower leg at the knee.

What occurs during an abnormal plantar flexion response in adults?