Questions and Answers Already Passed
An acute viral infection may cause what kind of white blood cell reaction? ✔✔An increase in the
number of large lymphocytes
As part of the auditory apparatus, the flap of elastic cartilage shaped like the flared end of a
trumpet that helps to collect sound waves is the _______________. ✔✔Auricle
At its inferior end, the laryngopharynx opens into the ___________ posteriorly and the
___________ anteriorly. ✔✔esophagus, larynx
Cerebrospinal fluid flows from the fourth ventricle to the subarachnoid space of the brain
through three openings in the roof of the fourth ventricle, a single _____________ aperture, and
a pair of lateral apertures. ✔✔Median
Concentrations of which electrolytes have the greatest influence on the regulation of the cardiac
cycle? ✔✔Potassium, calcium, and sodium
, Eight chemical elements constitute 3.6 percent of total body mass. What are these chemical
elements called? ✔✔Lesser chemical elements
Flexion and extension movements usually occur along which plane? ✔✔Sagittal
Four mechanisms of action to conserve heat and increase heat production in the body include
vasoconstriction (blood vessels), adrenal medulla (or its hormones), thyroid gland (or its
hormones), and ____________. ✔✔Shivering
How does an increase in epinephrine or norepinephrine affect the heart rate? ✔✔It causes the
heart rate to increase
How does blood flow through the regions in the primitive heart tube? ✔✔From the caudal end of
the primitive heart tube to the cranial end
In response to an epidermal injury, what cells of the epidermis surrounding the wound break
contact with the basement membrane? ✔✔Basal cells