Quiz 4 (Chapter 8 & 10)

Question 1

All neural tissue outside of the brain and spinal cord make up the ______________ nervous system.

Answer 1

Peripheral

Question 2

Information is carried to the CNS by the ______________ division, and motor commands are carried to muscles and glands via the ____________ division.

Answer 2

Afferent, Efferent

Question 3

____________ increase(s) the speed at which action potential travels along the axon of an oligodendricyte.

Answer 3

Myelin

Question 4

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

Answer 4

Heavy metal poisoning, Guillain-Barre syndrome, Multiple sclerosis

Question 5

What is a shift of membrane potential toward 0 mv 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 specialized membranes surrounding thr brain and spinal cord are the:

Answer 8

Meninges

Question 9

Which regoin of the brain controls conscious thoughts, 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 nervous and endocrine systems?

Answer 10

Pituitary

Question 11

Which regoin of the brain is responsible for control of autononmic functions such as heart rate, blood pressure, and digestive activities?

Answer 11

Medulla Oblongota

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 autononmic 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

Cardiac contractility, conduction and heart rate increase

Question 15

The parasympathetic nervous system 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 control by acting as an important link between the nervous system and endocrine system.

Answer 17

Hypothalamus

Question 18

The hormones released by the ____________ control other endocrine glands.

Answer 18

Anterior pituitary gland

Question 19

Antidiuretic hormone and oxytocin are produced by which gland?

Answer 19

Hypothalamus

Question 20

What is the 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 contractions during labor and delivery is:

Answer 21

Oxytocin

Question 22

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

Answer 22

Diabetes 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 produce 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 released by the kidneys to stimulate the production of red blood cells by bone marrow?

Answer 28

Erythropoietin

Question 29

In a(n) __________ effect, one hormone must 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 indivual effects.

Answer 30

Synergistic