Which of the following spirometry results would not be expected of a patient suffering from obstructive lung disease?
a. normal total lung capacity
b. increased functional residual capacity
c. decreased residual volume
d. decreased FEV1
e. decreased functional residual capacity
C
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Impotence occurs when
A. the erectile tissues of the penis fill with blood. B. semen accumulates in the urethra. C. an erection cannot be achieved or maintained. D. semen moves out of the urethra. E. sperm cell production decreases.
Answer the following statement(s) true (T) or false (F)
1. The anterior interventricular sulcus marks the division between the atria and ventricles. 2. In an aging heart, the ventricles tend to enlarge due to increased resistance in the blood vessels. 3. The pulmonary circuit is supplied by both the right and the left sides of the heart. 4. The systemic circuit contains oxygen-rich blood only. 5. Blood in the heart chambers provides most of the myocardium's oxygen and nutrient needs. 6. Papillary muscles prevent the AV valves from prolapsing (bulging) excessively into the atria when the ventricles contract.
An aerial circus performer who supports her body only with her teeth while spinning around should have strong
a. temporalis muscles b. masseter muscles c. buccinator muscles d. both a and b are correct e. all of these are correct
Answer the following statement(s) true (T) or false (F)
1. Synovial fluid is rich in albumin and hyaluronic acid giving it a viscous texture similar to egg white. 2. Bursae are structures associated with fibrous, cartilaginous, and synovial joints. 3. The shoulder is the only multiaxial, ball-and-socket joint in the human body. 4. Circumduction is limited to ball-and-socket joints. 5. Hinge joints, such as the tibiofemoral joint, are monoaxial.