Which condition would you expect to accompany atherosclerosis, a disorder in which arteries lose elasticity and have fatty buildup inside the vessels?.
Increased blood viscosity.
Irregular heartbeat.
High blood pressure.
Low blood pressure.
The Correct Answer is C
Choice A rationale:
Increased blood viscosity is not typically associated with atherosclerosis. While high blood viscosity can contribute to cardiovascular problems, it is not a condition that you would expect to accompany atherosclerosis.
Choice B rationale:
Irregular heartbeat, or arrhythmia, is not typically a condition that accompanies atherosclerosis. While atherosclerosis can increase the risk of certain types of arrhythmias, it is not a direct result of the disease.
Choice C rationale:
High blood pressure, or hypertension, is often associated with atherosclerosis. The buildup of plaque in the arteries causes them to narrow and stiffen, which increases the resistance to blood flow and consequently increases blood pressure.
Choice D rationale:
Low blood pressure is not typically associated with atherosclerosis. Atherosclerosis tends to increase blood pressure rather than decrease it.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
T cells mature in the thymus.
Choice B rationale:
While red bone marrow is where all blood cells, including T cells, originate, T cells specifically mature in the thymus. Choices C and D rationale: Tonsils and the spleen are parts of the lymphatic system, but they are not where T cells mature.
So, the correct answer is Choice A, after analyzing all choices.
Correct Answer is C
Explanation
The correct answer is: c. Air flows into the lungs.
Choice A: A pneumothorax forms, collapsing the lungs.
A pneumothorax occurs when air enters the pleural space, the area between the lung and the chest wall, causing the lung to collapse. This condition is typically caused by trauma or a spontaneous rupture of a lung bleb, not by a drop in lung pressure below atmospheric pressure. When the pressure in the lungs drops below atmospheric pressure, it facilitates the inflow of air into the lungs, not the collapse of the lungs.
Choice B: The bronchioles constrict, causing respiratory distress.
Bronchiolar constriction, or bronchoconstriction, is a narrowing of the airways in the lungs due to the tightening of surrounding smooth muscle. This can cause respiratory distress and is commonly seen in conditions like asthma. However, this is not directly related to the pressure changes in the lungs relative to atmospheric pressure. The primary effect of a drop in lung pressure below atmospheric pressure is the inflow of air, not bronchoconstriction.
Choice C: Air flows into the lungs.
When the pressure in the lungs drops below atmospheric pressure, a pressure gradient is created that allows air to flow into the lungs. This process is known as inspiration or inhalation. The diaphragm and intercostal muscles contract to increase the volume of the thoracic cavity, thereby decreasing the pressure within the lungs relative to the outside atmosphere, causing air to rush in.
Choice D: Air flows out of the lungs.
Air flows out of the lungs, or expiration, occurs when the pressure inside the lungs exceeds atmospheric pressure. This happens when the diaphragm and intercostal muscles relax, decreasing the volume of the thoracic cavity and increasing the pressure within the lungs. This is the opposite of what happens when lung pressure drops below atmospheric pressure.
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