Nervous System Practice

Neurons with the ability to monitor the environment are called ________ neurons.

A) Motor B) Output C) Accessory D) Sensory

Impulses are conducted rapidly if ________ is present.

A) Niacine B) Iron C) Spinal fluid D) Myelin

Which structure carries motor information?

A) Commissure B) Dorsal root C) Ventral root D) Column

Which division of the autonomic nervous system is called the resting and digesting

division? A) Preganglionic branch B) Sympathetic branchC) Post ganglionic branch D) Parasympathetic branch

Which of the following statements is not true of the cerebellum?

A) It helps regulate water balance and sleep cycles.

B) It is responsible for sensory and motor coordination and balance.

C) It is considered the "little brain.“D) It lies under the occipital lobe of the

cerebrum.

Which part of the brain regulates hormones, body temperature, sensations of hunger and thirst, and

the circadian (24-hour) rhythm of the body?

A) cerebellum B) hypothalamus C) ventricles D) cerebrum

Which of the following is NOT part of the central nervous system?

A) spinal cord B) cerebrum C) cranial nerves D) brain

Which part of the brain acts as a relay station, sending sensory nerve impulses like pain and touch

from the body to the cerebrum?

A) brainstem B) thalamus C) hypothalamus D) pons

What is the word for the multiple branches found at the beginning of a neuron that receive

neurotransmitters from the previous neuron?

A) myelin sheaths B) SynapsesC) dendrites D) axons

Which abbreviation stands for the fluid that circulates around the brain and spinal

cord? A) ICP B) CSF C) CNS D) HNP

The function of the endocrine system is to keep the body in

homeostasis.a) Trueb) False

The hormones that come from the posterior lobe of the pituitary gland

area) Antidiuretic hormone.b) MSH.c) ACTH.d) All of the above.

The master gland of the body is the

a) Thyroid.b) Pituitary.c) Parathyroid.d) Pancreas.

The circadian rhythm is regulated by the pineal body posterior to the

hypothalamus.a) Trueb) False

The purpose of the parathyroid glands is to regulate

a) The amount of calcium in the blood.b) Glucose in the blood.c) Sodium in the blood.d) The thyroid gland.

When glucose levels are low

a) Beta cells produce insulin.b) Alpha cells secrete glucagon.c) Somatostatin is secreted by delta cells.d) All of the above.

The inner layer of the adrenal gland is called the

a) Medulla.b) Cortex.c) Androgen.d) Both a and b.

The mineralocorticoid responsible for keeping sodium and water in the

blood isa) Aldosterone.b) Cortisol.c) Androgens.d) None of the above.

The two hormones secreted by the adrenal medulla are

a) Cortisol and epinephrine.b) Epinephrine and norepinephrine.c) Cortisol and norepinephrine.d) Cortisol and androgen.

Effects of epinephrine include

a) Heart rate increase and smooth muscle constriction.

b) Rise in blood pressure and increased respiratory rate.

c) Dilation of the bronchi to increase air flow to the lungs.

d) All of the above.

The chemical messengers of the endocrine system are called

a) Neurotransmitters.b) Electrolytes.c) Hormones.d) Receptors.

Calcitonin is a hormone secreted by the

a) Parathyroid gland.b) Pituitary gland.c) Thyroid gland.d) Adrenal cortex.

The thyroid gland

a) Regulates cellular metabolism.b) Regulates potassium levels in the blood.c) Stimulates the uterus to contract in labor.d) Secretes insulin.

Which of the following is true of antidiuretic hormone (ADH)?

a) It is produced by the hypothalamus.b) It is stored and released by the posterior

pituitary gland.c) It keeps excessive amounts of water from

being lost in the urine.d) All of the above.

Which is the abbreviation for the hormone released by the anterior pituitary gland that stimulates the

thyroid gland?a) FSHb) ACTHc) ADHd) TSH

The hormone testosterone is produced by the

a) Ovaries.b) Testes.c) Pituitary gland.d) Thymus.

The thymus gland decreases in size and function with age.

a) Trueb) False

The pituitary gland in females produces FSH to stimulate the follicles of the ovary, but the pituitary gland in

males does not produce FSH.a) Trueb) False

The functional unit of the nervous system is the

a) Nerve.b) Neuron.c) Brain.d) Neuroglia.

The three layers of the meninges from outermost to innermost are

thea) Arachnoid, dura, and pia mater.b) Pia, dura, and arachnoid mater.c) Dura, arachnoid, and pia mater.d) Pia, arachnoid, and dura mater.

The largest part of the brain is the

a) Cerebrum.b) Cerebellum.c) Thalamus.d) Hypothalamus.

The visual cortex is located in the

a) Temporal lobe.b) Frontal lobe.c) Parietal lobe.d) Occipital lobe.

The cerebrospinal fluid formed in the ventricles

a) Cushions the brain.b) Protects the brain.c) Contains glucose.d) All of the above.

Nerves that carry impulses toward the spinal cord and brain

area) Afferent.b) Efferent.c) Sensory.d) Both a and c.

The “fight or flight” response to danger, stress, or anxiety is

initiated by the

a)Somatic nervous system.b)Parasympathetic nervous system.c) Sympathetic nervous system.d)None of the above.

Because of close living quarters in a dormitory, lack of sleep, and other factors, this infection can spread rapidly among college

students.a) Meningitisb) Epilepsyc) Multiple sclerosisd) Alzheimer’s disease

Which brain structure resembles a spider web?

a) Ventricleb) Arachnoidc) Vertebrad) Cerebellum

Which types of activities are processed in the temporal lobe of

the brain?a) Conscious control of muscle movementsb) Visionc) Emotion and personalityd) Hearing and smelling

Syncope is also known as

a) Fainting.b) Hydrocephalus.c) Coma.d) Epilepsy.

All of the following are types of epilepsy EXCEPT

a) Grand mal.b) Radiculopathy.c) Absense.d) Petit mal.

People who use computers extensively are prone to get which

of these diseases? a) Herniated nucleus pulposusb) Carpal tunnel syndromec) Dementiad) Hyperesthesia

Photophobia is associated with

a) Migraine headaches.b) Carpal tunnel syndrome.c) Myelomeningocele.d) Parkinson’s disease.

A neurotransmitter is a chemical messenger that travels between

nerve cells.a) Trueb) False

Blockage or rupture of a cerebral artery is called a "cerebrovascular

accident" A)hypertension. B)stroke.C) coronary artery disease. D) heart attack

Type 2 diabetes mellitus is

a) Also known as adult-onset diabetes.b) Treated with weight loss, exercise, and diet.c) Treated with oral antidiabetic drugs.d) All of the above.

Infertility may have a hormonal cause due to a lack of

a) FSH.b) TFT.c) GTT.d) NPH.

Too little ADH from the posterior pituitary gland causes

a) Gigantism.b) Diabetes insipidus.c) Thyroid cancer.d) Hyperglycemia.

A congenital lack of thyroid hormone from birth is known as

a) Hashimoto’s thyroiditis.b) Graves’ disease.c) Thyroid cancer.d) Cretinism.

Exophthalmos is associated with

a) Diabetes mellitus.b) Diabetes insipidus.c) Graves’ disease.d) Gigantism.

Which hormone is associated with the wake-sleep cycle?

a) Epinephrine.b) Melatonin.c) Thyroid hormone.d) Testosterone.