The epidermal dendritic cells are able to play an important immune response role by their phagocytic activity.
Answer the following statement true (T) or false (F)
True
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Atrial natriuretic peptide is a hormone that is made in the atria of the heart. The influence of this hormone is to ________.
A) enhance atrial contractions B) activate the renin-angiotensin mechanism C) prevent pH changes caused by organic acid D) reduce blood pressure and blood volume by inhibiting sodium and water retention
Odor discrimination is coded by patterns of activity in the ____________________
Fill in the blank(s) with correct word
Which of the following would result from a reduced function of the Na+ channels in the SA node?
A. The heart rate would decrease. B. Depolarization would be delayed. C. Depolarization would be delayed, and the heart rate would decrease. D. The plateau phase would be shorter. E. Repolarization would not occur.
What is the function of the axial muscles?
A) Axial muscles move the limbs. B) Axial muscles support the pelvic and pectoral girdles. C) Axial muscles support the pelvic and pectoral girdles and move the limbs. D) Axial muscles control facial movements and swallowing and are found in the head and neck. E) Axial muscles position the head and spinal column and also move the rib cage for breathing.