Which of the following is the most obvious abnormal finding in the
inspiratory posteroanterior and lateral chest x-ray of this patient (viewed in
the anatomic position)?
a. Flail chest
b. Right hemothorax
c. Right pneumothorax
d. Paralysis of the right hemidiaphragm
344.A negative pressure drain (chest tube) must be inserted into the
pleural space in order to remove either fluid or air that normally is not
present. Effective locations for the drain include which of the following?
a. Apex between the clavicle and first rib
b. Costomediastinal recess on the left, adjacent to the xiphoid process
c. Right fourth intercostal space in the midclavicular line (just below the nipple)
d. Right sixth intercostal space in the midaxillary line
e. Right eighth intercostal space in the midclavicular line (about 4 in. below the
nipple)
345.The intercostal neurovascular bundle is particularly vulnerable to
injury from fractured ribs because it is found in which of the following
locations?
a. Above the superior border of the ribs, anteriorly
b. Beneath the inferior border of the ribs
c. Between external and internal intercostal muscle layers
d. Deep to the posterior intercostal membrane
e. Superficial to the ribs, anteriorly
346.The miscarriage rate in humans is estimated to be as high as 15% of
all pregnancies. These most often occur very early in pregnancy due to
major defects in vital organs. Failure of the sixth aortic arch arteries to form
would lead to loss of blood supply to which of the following essential
organs?
a. Right side of the heart
b. Face
c. Thyroid gland
d. Lungs
e. Upper digestive tract
466 Anatomy, Histology, and Cell Biology