NS.1
What are the two types of nerve cells?
Neurons and Neuroglia
What type of cells make up the myelin sheath?
Schwann
What are the four lobes of the brain?
Which gland is often known as the “master gland”?
pituitary
Non - Steroid hormones are water-soluble. How do they send a message to the target cell?
require a second messenger molecule by attaching to a receptor on the outside of a target cell
What is the difference between unipolar, bipolar and multipolar neurons?
Uni - 1 process
Bi - 2 process
Multi - More than 2
The space between two neurons is called ________?
Which lobe of the brain controls reasoning, decision making & planning?
frontal
Steroid hormones are lipid soluble. How do they send a message to the target cell?
able to directly enter a target cell
The islets of Langerhans is found in the PANCREAS. What hormones do they produce?
insulin & glucagon
Which type of neurons carry impulses away from the CNS?
*DOUBLE POINTS* What is the order of the layers of meninges, starting from the skull and moving toward the brain?
DAP
Dura mater, arachnoid, pia mater
Which lobe of the brain controls pronunciation of words, sensations of smell and sound, emotional association with memories?
temporal
Which hormone acts in opposition to calcitonin to regulate calcium levels in the blood?
parathyroid hormone
*Double* Why do hormones not affect all cells they encounter throughout the body?
Because they have specific target cells/receptors.
Which type of neurons carry impulses toward the CNS?
Afferent
Which type of neurons carry impulses toward the CNS?
*DOUBLE* What structures are found in the diencephalon?
thalamus, hypothalamus and pineal gland
*Double* The relationship between hormones regulating the calcium level in the blood is known as what type of stimulation? Neural, Humoral or Hormonal?
Humoral
Which hormone increases water retention in the kidneys?
antidiuretic hormone
Explain the flow of an impulse traveling from one neuron to the next.
Dendrites bring toward cell body > axon pulls away from cell body to the axon terminals > impulse stimulates neurotransmitters that release the impulse out of the neuron into the synaptic cleft.
Explain the flow of an impulse traveling from one neuron to the next.
Dendrites bring toward cell body > axon pulls away from cell body to the axon terminals > impulse stimulates neurotransmitters that release the impulse out of the neuron into the synaptic cleft.
The spinal cord extends from the ___________ to the _________________.
medulla oblongata, lumbar vertebrae
Both the nervous and endocrine system control the body. The Nervous system uses impulses and the endocrine system uses what? Which system is faster?
hormones, nervous
Which hormone stimulates contractions during child birth?
oxytocin