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hyper secretion of this hormone results in loss of calcium from the bones and softening and spontaneous fractures of the bones
from deep to superficial, the layers of the epidermis of the skin are ______.
these glands are found all over the skin except in the palms of the hands and soles of feet. produce an oily substance
which of the following pigments is not involved in determining skin color?
white pigments in skin cells
what is true about the blood supply to the skin?
epidermis is avascular
dermis is richly vascularized
the first branch off the arch of the aorta is brachicephalic artery in both sheep and human? true or fals
what fibrous structure functions to anchor the atrioventricular valves in a close position?
blood on the right never mixes with blood on the left, once the hear is fully developed. true of false
the function of the intrinsic conduction system is to______.
insures that the heart beats in a sequential and coordinated manner
in sequential order, the components of the intrinsic conduction system, beginning at the SA node, are______.
av node, av bundle, bundle branches, purkinje fibers
a person who has symptoms of paleness and chronic fatigue is suspected of having anemia. To investigate this suspicion further, it would be most helpful to measure_______.
a person with type AB blood receives a transfusion of type O blood. will there be a transfusion reaction? why or why not?
no, the recipient has no antibodies to antigens A and B, and therefore can receive blood from a type O donor.
a patient reports to the doctor that she bruises very easily, and when she cuts herself, she has a hard time stopping bleeding. what test would be used?
often indicate problems with heart valves, can be used to diagnose failure of the heart valves to close tightly, and can be used to diagnose constricted heart valves.
the first heart sound heard during the cardiac cycle is associated with_____.
closure of the AV valves
if you cut yourself and blood spurts rhythmically from injury, you have probably cut______.
by taking a pulse you can determine______.
pulse rate, regularity of the pulse and strength of the pulse
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