Quiz 4

Question 1

All neural tissue outside of the brain and spinal cord makes up which nervous system?

Answer 1

Peripheral

Question 2

Information is carried to the CNS by the ______ division, and motor commands are carried to muscles and gland via the _____ division.

Answer 2

Afferent, Efferent

Question 3

______ increase(s) the speed at which action potential travels alone the axon of an oligondendrocyte.

Answer 3

Myelin

Question 4

Which of the following is an example of a demyelination disorder?

Answer 4

Multiple Scleriosis, Guillain-Barre Syndrome, Heavy metal poisoning.

Question 5

What is a shift of membrane potential toward 0mv called? An example is the entry of sodium into the cell.

Answer 5

Depolarization

Question 6

______ is when a cell membrane cannot respond normally to further stimulation.

Answer 6

The refractory period

Question 7

Synapses that release norepinephrine are called:

Answer 7

Adrenergic

Question 8

The three layers of specialized membranes surrounding the brain and spinal cord are the:

Answer 8

Meninges

Question 9

Which region of the brain controls conscious thought, sensations, memory storage, and complex movements?

Answer 9

Cerebrum

Question 10

The hypothalamus is connected to what gland, which is the primary link between the nervier and endocrine systems?

Answer 10

Pituitary

Question 11

Which region of the brain is responsible for control of autonomic

Answer 11

Medulla Oblongta

Question 12

Which of the following is caused by an imbalance in the amount of CSF fluid produced and the rate at which it is absorbed?

Answer 12

Hydrocephalus

Question 13

The ______ division of the autonomic nervous system stimulates tissue metabolism, increases alertness, and prepares the body to deal with emergencies.

Answer 13

Sympathetic

Question 14

The stimulation of Beta 1 receptors causes which of the following?

Answer 14

An Increase in Cardiac Contractility, An increase in cardiac Condution, an increase in heart rate.

Question 15

The parasympathetic nervous has nicotinic and _______ receptors.

Answer 15

Muscarinic

Question 16

What are the chemical messengers of the endocrine system called?

Answer 16

Hormones

Question 17

The _____ provides the highest level of endocrine level of endocrine control by acting as an important link between the nervous and endocrine systems.

Answer 17

hypothalamus

Question 18

The hormones released by the _____ control other endocrine glands.

Answer 18

Anterior pituitary gland

Question 19

Antidiuretic Horomone and oxytocin are produced by which gland?

Answer 19

Posterior Pituitary gland

Question 20

What is that primary function of the antidiuretic hormone?

Answer 20

To decrease the amount of water lost in urine

Question 21

The hormone that stimulates smooth muscle contraction during labor and delivery is:

Answer 21

Oxytocin

Question 22

What disease occurs when the kidneys cannot respond to ADH or there is inadequate release of ADH into the body

Answer 22

Diabetic Insipidus

Question 23

Which corticosteroid affects the electrolyte composition of body fluids?

Answer 23

Aldosterone

Question 24

Which of the following affects glucose metabolism

Answer 24

Cortisol

Question 25

Epinephrine is produced by which gland?

Answer 25

Adrenal medulla

Question 26

The Endocrine cells of which organ produces glucagon and insulin?

Answer 26

Pancreas

Question 27

The Alpha cells of the islets of Langerhans produce which hormone?

Answer 27

Glucagon

Question 28

Which hormone is release by the kidney to stimulate the production of red blood cells by bone marrow?

Answer 28

Erythropoietin

Question 29

In a(n)______ effect, one hormone much be present for another to work.

Answer 29

Permissive

Question 30

A(n) ______ effect can result in two hormones having a net effect greater than the sum of their individual effects.

Answer 30

Synergistic