Exam 4 Flashcards
(28 cards)
Within a Neuron, the direction of impulse flow is?
Dendrite arm, cell body, axon
The membrane that is situated closest to the brain is the?
Pia Mater
What part of the brain relays signals between the two cerebral hemispheres?
Corpus Callosum
Differences in intensity of a stimulus are controlled how?
Number of neurons and frequency of action potentials sent per neuron
Semicircular canals are filled with?
Liquid
What is the first point that light passes through in the eye?
The cornea
What makes up the greatest portion of blood plasma?
Water
In an adult, the inside of the diaphysis of a bone is what?
Filled with yellow bone marrow
The pituitary gland is controlled by the?
Hypothalamus
Th larger the mammal, the —— the metabolic rate
The larger the mammal the slower or lower the metabolic rate
Most of the neurons in the human brain are what kind?
Interneurons
What are the main functions of a bone?
Movement, support, mineral storage and blood cell formation
What is not an organ that is a part of, or aids in digestion.
Spleen
What are the fat solvable vitamins?
Vitamin A,D, E, K
The end of the long bones are covered in what?
Cartilage
What types of eyes do insects have
Compound eyes with multiple ommatidia
What are mechanoreceptors sensitive to?
Vibration and pressure
T/F…Mucus must be present to smell correctly?
True
T/F…. Short bones have a higher amount of compact bone than spongy bone
False
T/F… Spinal cord contains grey matter
True
T/F… T cells are part of adaptive immunity
True
What is the balance and coordination center of the brain?
Cerebellum
Jerking your hand away from a hot stove is considered a— reflex
Motor reflex
An axon that is wrapped in- - or — would be called —
Schwann cells or Oligodendrocytes would be called myelinated
