Question 1

Which type of neuron is primarily responsible for activating skeletal muscle fibers during voluntary movement?

Accepted Answer

Multipolar neuron

Question 2

During the transmission of a nerve impulse, which ion is primarily responsible for initiating the release of neurotransmitters into the synaptic cleft?

Accepted Answer

Ca$$^{2+}$$

Question 3

Which of the following best describes the sequence of events during an action potential in a neuron?

Accepted Answer

Depolarization → Repolarization → Hyperpolarization → Absolute refractory period

Question 4

A patient touches a hot stove and immediately withdraws their hand. Which of the following best describes this response?

Accepted Answer

A reflex

Question 5

Cranial Nerve II (the optic nerve) is part of which division of the nervous system?

Accepted Answer

Peripheral nervous system

Question 6

Which neuroglial cell of the CNS is responsible for forming the myelin sheath around axons?

Accepted Answer

Oligodendrocyte

Question 7

Which neuroglial cell of the PNS is responsible for myelinating axons?

Accepted Answer

Schwann cell

Question 8

Which of the following lists the correct order of components in a typical reflex arc?

Accepted Answer

Receptor → Sensory neuron → Interneuron → Motor neuron → Effector

Question 9

Which of the following is NOT a basic characteristic of neurons?

Accepted Answer

Ability to divide rapidly after injury

Question 10

Which of the following is a function of the autonomic nervous system?

Accepted Answer

Control of heart rate and digestion

Question 11

Which brain structure is primarily responsible for controlling the autonomic nervous system and regulating body temperature?

Accepted Answer

Hypothalamus

Question 12

Which of the following is NOT a part of the brainstem?

Accepted Answer

Thalamus

Question 13

Where is the primary somatosensory cortex located in the brain?

Accepted Answer

Postcentral gyrus of the parietal lobe

Question 14

Which of the following best describes the difference between a gyrus, a sulcus, and a fissure in the brain?

Accepted Answer

A gyrus is a ridge, a sulcus is a shallow groove, and a fissure is a deep groove

Question 15

Which of the following components are found in cerebrospinal fluid (CSF)?

Accepted Answer

Water, ions (such as Na$$^+$$, K$$^+$$), and glucose

Question 16

Where are interneurons that receive information from sensory neurons typically located?

Accepted Answer

Gray matter of the spinal cord

Question 17

Which of the following is NOT a part of the diencephalon?

Accepted Answer

Cerebellum

Question 18

What is the neural plate?

Accepted Answer

A thickened region of ectoderm that gives rise to the nervous system

Question 19

Which hemisphere of the brain is typically responsible for language and analytical processing in most individuals?

Accepted Answer

Left cerebral hemisphere

Question 20

A patient presents with loss of vision in one eye. Which type of neuron is most likely affected?

Accepted Answer

Bipolar neuron

Lecture Exam 4 Study Guidance – Nervous System and Neuroanatomy

Study Guide - Practice Questions

Study Guide - Flashcards