Straight line Anatomy & Physiology II Final Exam -Questions with
Correct Answers/ Verified/ Latest Update (2024/2025)
What is the main function of capillary beds in the body? - ✔✔It is the site of nutrient and
gas exchange from blood to tissue (and back)
Which of the following is a significant difference between arteries and veins? - ✔✔Arteries
carry blood away from the heart, veins carry blood towards the heart
Where could you measure, on an EKG, to calculate the heart rate? - ✔✔From one R wave to
the next R wave
The drug digitalis is an inotropic agent. What does that mean it does? - ✔✔It changes the
force of muscle contraction of the heart
Which of the following mechanisms can be used by the body to decrease blood pressure? -
✔✔-Vasorelaxation to increase the size of blood vessels
-Increased urination to decrease blood volume
-Stimulation of the vagus nerve to make the heart beat slower and with less force
A patients has a systolic blood pressure of 120 and a diastolic blood pressure of 75, what is
their mean arterial pressure? - ✔✔90 mm Hg diastolic + systolic- diastolic
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3
A patient has a systolic blood pressure of 134 and diastolic blood pressure of 80, what is
their pulse pressure? - ✔✔54 mm Hg (systolic-diastolic)
What is the function of neutrophils? - ✔✔They phagocytize bacteria and dead tissue
What is "elastic recoil"? - ✔✔When the aorta and pulmonary trunk squeeze blood during
the beginning of diastole
, What area of the brain serves as the primary control center for homeostatic regulation of
blood pressure? - ✔✔The medulla oblongata
What force causes fluid to move out of capillaries and into interstitial space? -
✔✔Hydrostatic pressure
The drug hydralazine is a potent vasodilator (decrease). Based on that, for which of the
following conditions do you think it would be prescribed? - ✔✔High Blood Pressure
We describe the immune system as providing both specific and nonspecific immunity. What
is meant by the term "nonspecific immunity?" - ✔✔It refers to the ability of the immune
system to fight off pathogens that the body has not encountered before.
What are the four cardinal signs of inflammation? - ✔✔Pain, redness, swelling, and heat
What trigger causes most of the signs of inflammation? - ✔✔Histamine and heparin
released from mast cells
What is another name for an antibody? - ✔✔An immunoglobulin
How is it that our antibodies, as a whole class of chemicals can recognize so many different
antigens? - ✔✔There is extreme diversity in the structure of the "variable region" of the
antibody
As a child, you were sick with a particular strain of the flu, designated X34-PQ. Now you are
working in the hospital and an outbreak of X34-PQ occurs. What is likely to happen? -
✔✔You are not likely to get X34-PQ because your immune system has a "memory" for it
What cells secrete interferons (such as IFN-gamma)? - ✔✔Virus infected cells
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