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KAAP ExamAmino acids are the building blocks of all proteins. As more amino acids are added the protein chain
tends to fold upon itself in a characteristic way. This characteristic of a protein is called the: - ANS
Tertiary Structure
On which part of the integument is most of the body's normal flora located? - ANS Epidermis
The sequence of events that constitute an action potential is correctly described by which of the
following? Resting potential of: - ANS −70 mV, stimulus above the threshold, Na+ moves into cell,
depolarization to +35 mV, K+ moves out of cell, repolarization to −70 mV
Which cell type produces a pigment that affords the skin some protection against ultraviolet
radiation? - ANS Melanocytes
What is a function of the reticular formation (or reticular activating system) of the brain? - ANS It
receives and integrates all incoming sensory input.
What part of the brain receives sensory input before passing it on to another part of the brain for
interpretation or action? - ANS Thalamus
To what part of the nervous system does the somatic nervous system belong? - ANS Efferent,
peripheral nervous system
Which sequence of ion movements describes the action potential? - ANS Na+ moves into cell then
K+ move out.
What does the term "origin" refer to in the musculoskeletal system? - ANS The point of attachment
of a muscle to the "stationary" bone
In what respect does "grey matter" differ from "white matter". - ANS Grey matter contains the cell
bodies of nerve cells white matter contains axons.
Which of the cranial nerves is involved in the blinking reflex? - ANS oculomotor
, With respect to the spinal cord, where is the epidural space? - ANS External to the dura mater
Which of the following describes the position of the thoracic vertebrae with respect to the sternum
and the kidneys? - ANS Vertebrae are posterior (or dorsal) to the sternum and medial to the kidneys.
By what name is something that attaches a bone to another bone known? - ANS Ligament
What part of the brain contains the autonomic control center whose orders regulate food intake,
water balance and body temperature? - ANS Hypothalamus
Which of the following is a true statement about an "action potential"? - ANS It travels away from
the cell body along the axon.
Which neurotransmitter do all motor neurons release at their synapses? - ANS Acetylcholine
In which of the following bone structures do osteocytes live? - ANS Lacunae
What is contained in the dorsal root ganglion? - ANS The cell bodies of sensory neurons
Which of the following describes the movements known as pronation and supination? - ANS The
twisting of the wrist while the elbow is held motionless
Which one of the following is NOT a function of the cerebral spinal fluid? - ANS To produce
hormones
As the osmotic concentration of blood increases, what homeostatic response would the body
produce? - ANS The feeling of thirst would increase, so that a liquid with low osmolarity is ingested.
Which one of the following cell types is found in epithelial tissue? - ANS Keratinocytes
Which muscle below is descriptively named according to its shape? - ANS Trapezius
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