Things you should remember from class
The central nervous system is composed of the:
brain and spinal cord.
The hypoxic drive is influenced by:
Low blood oxygen levels
What is the MOST common cause of airway obstruction in an unconscious patient?
The tongue
The human body should be functioning at its optimal level between the ages of:
19 and 25 years
The pulse rate of a child from ages 6 to 12 years is approximately:
70 to 120 beats/min.
Gas exchange in the lungs is facilitated by:
adequate amounts of surfactant.
The most distal four spinal vertebrae, which are fused together, form the:
Coccyx
The diaphragm is innervated by the _________ nerve, which allows it to contract
Phrenic
Structures of the lower airway include all of the following, EXCEPT:
the epiglottis.
the trachea.
alveoli.
bronchioles.
Epiglottis
Irregular respirations characterized by an increasing rate and depth of breathing followed by periods of apnea are called:
Cheyne-Stokes respirations.
The electrical impulse of the heart normally begins at the:
SA Node
The elbow is an example of a ____________ joint.
Hinge
Which of the following is not a facial bone?
Mastoid
Which of the following glands regulates the function of all other endocrine glands in the body?
Pituitary gland
At a flow rate of 6 L/min, a nasal cannula can deliver an approximate oxygen concentration of up to:
44%
The left side of the heart receives oxygenated blood from the lungs through the
Pulmonary Veins
A patient who is suspected of being hypoxic and is breathing adequately should be given supplemental oxygen with a:
nonrebreathing mask.
An infant or small child’s airway can be occluded if it is overextended or overflexed because:
the occiput is proportionately large and the trachea is flexible
Which of the following is an anatomic difference between children and adults?
An infant’s tongue is proportionately larger than an adult’s tongue
White blood cells, which are also called leukocytes, function by:
protecting the body from infection
The muscle tissue of the heart is called the:
Myocardium
The nose, chin, umbilicus (navel), and spine are examples of ___________ anatomic structures.
Midline
The exchange of oxygen and nutrients for waste products of metabolism occurs at the cellular level in the:
Capillaries
Which of the following organs or structures lies within the retroperitoneal space?
Kidneys
Age-related changes in the renal system result in:
a decreased ability to clear wastes from the body and a decreased ability to conserve fluids when needed.