Which of the following does not play a role in flow of lymph fluid?
A. Contractions of lymphatic vessels
B. Thoracic (respiratory) pump
C. Skeletal muscle contraction
D. The lymphatic pump
E. Valves
Answer: D
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The bulk of each tooth consists of a mineralized matrix similar to that of bone called
A) enamel. B) cement. C) dentin. D) pulp. E) periodontium.
List the important features of the ECG, and indicate what each represents
A) P wave (atrial repolarization), QRS complex (ventricular depolarization), T wave (ventricular repolarization)
B) P wave (atrial repolarization), QRS complex (ventricular depolarization), T wave (atrial depolarization)
C) P wave (atrial depolarization), QRS complex (ventricular depolarization), T wave (ventricular repolarization)
D) P wave (atrial depolarization), QRS complex (ventricular depolarization), T wave (atrial depolarization of the next cycle)
E) P wave (atrial contraction), QRS complex (ventricular contraction), T wave (ventricular relaxation)
The adult hip bone consists of _____ regions.
A. 1 B. 2 C. 3 D. 4
Which of these happens first in an adrenergic synaptic transmission?
A) ATP is converted to cyclic AMP B) G protein binds to adenylate cyclase C) Adenylate cyclase is activated D) Cyclic AMP induces several effects in the cell E) G protein dissociates from the NE receptor