Practice Test Questions Flashcards
(19 cards)
To prevent heat loss in cold conditions the hypothalamus will initiate
Peripheral vasoconstriction
The epidermis consists of how many layers?
5
Heat gain can occur with in the body due to
Uncoordinated muscle activity- shivering
What is not part of the neurone
Sinusoid
The structural parts of the CNS are
The brain and spinal cord
Ridges of tissue on the surface of the cerebral hemispheres are
Gyri
The point at which an impulse from one nerve cell is communicated with another is
Synapse
The substance released at axial endings to propane at a nerve impulse is called
Neurotransmitter
Number of pairs of the spinal nerves
12 thoracic
Control of temp and thirst is associated with
The hypothalamus
The brain stem consists of
Midbrain, medulla and pons
Preparing the body for the fight or flight response is the role of the
Sympathetic nervous system
Sex hormones are secreted by
The inner cortex or the adrenal medulla and the gonads
Which substance acts on the intestines and increases calcium absorption
Calcitriol
Which hormone has the greatest effect on metabolism
T4
Growth hormone
Promotes long bone growth during formative years
Aldosterone
Functions to increase sodium re absorption
Functional units of the kidneys
Nephrons
The dermis
Has two distinct layers