Quiz 4 Flashcards
All neural tissue outside of the brain and spinal cord makes up which nervous system?
Peripheral
Information is carried to the CNS by the ______ division, and motor commands are carried to muscles and gland via the _____ division.
Afferent, Efferent
______ increase(s) the speed at which action potential travels alone the axon of an oligondendrocyte.
Myelin
Which of the following is an example of a demyelination disorder?
Multiple Scleriosis, Guillain-Barre Syndrome, Heavy metal poisoning.
What is a shift of membrane potential toward 0mv called? An example is the entry of sodium into the cell.
Depolarization
______ is when a cell membrane cannot respond normally to further stimulation.
The refractory period
Synapses that release norepinephrine are called:
Adrenergic
The three layers of specialized membranes surrounding the brain and spinal cord are the:
Meninges
Which region of the brain controls conscious thought, sensations, memory storage, and complex movements?
Cerebrum
The hypothalamus is connected to what gland, which is the primary link between the nervier and endocrine systems?
Pituitary
Which region of the brain is responsible for control of autonomic
Medulla Oblongta
Which of the following is caused by an imbalance in the amount of CSF fluid produced and the rate at which it is absorbed?
Hydrocephalus
The ______ division of the autonomic nervous system stimulates tissue metabolism, increases alertness, and prepares the body to deal with emergencies.
Sympathetic
The stimulation of Beta 1 receptors causes which of the following?
An Increase in Cardiac Contractility, An increase in cardiac Condution, an increase in heart rate.
The parasympathetic nervous has nicotinic and _______ receptors.
Muscarinic
What are the chemical messengers of the endocrine system called?
Hormones
The _____ provides the highest level of endocrine level of endocrine control by acting as an important link between the nervous and endocrine systems.
hypothalamus
The hormones released by the _____ control other endocrine glands.
Anterior pituitary gland
Antidiuretic Horomone and oxytocin are produced by which gland?
Posterior Pituitary gland
What is that primary function of the antidiuretic hormone?
To decrease the amount of water lost in urine
The hormone that stimulates smooth muscle contraction during labor and delivery is:
Oxytocin
What disease occurs when the kidneys cannot respond to ADH or there is inadequate release of ADH into the body
Diabetic Insipidus
Which corticosteroid affects the electrolyte composition of body fluids?
Aldosterone
Which of the following affects glucose metabolism
Cortisol
Epinephrine is produced by which gland?
Adrenal medulla
The Endocrine cells of which organ produces glucagon and insulin?
Pancreas
The Alpha cells of the islets of Langerhans produce which hormone?
Glucagon
Which hormone is release by the kidney to stimulate the production of red blood cells by bone marrow?
Erythropoietin
In a(n)______ effect, one hormone much be present for another to work.
Permissive
A(n) ______ effect can result in two hormones having a net effect greater than the sum of their individual effects.
Synergistic
