Which muscle is involved with rotating and flexing the neck?
A) splenius capitis muscle
B) iliocostalis lumborum
C) spinalis cervicis
D) spinalis thoracis
A
Explanation:
B) The iliocostalis lumborum extends the vertebral column and depresses the ribs.
C) The spinalis cervicis extends the neck.
D) The spinalis thoracis extends the vertebral column.
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A) SA node B) AV valves C) AV bundle D) AV node
The stimulus for increased erythropoiesis secretion is
a. low oxygen levels in the bone marrow b. low oxygen levels in the kidney c. a hormone produced by the bone marrow d. a hormone produced by the liver e. none of the above
Here is a figure showing major body cavities and other structures. What does "C" represent?
A. Pelvic cavity B. Abdominal cavity C. Thoracic cavity D. Diaphragm E. Mediastinum
A person with no ADH secretion (diabetes insipidus) might have symptoms including:
A) high blood pressure. B) extremely low urine output. C) extreme thirst and dehydration. D) increased water retention. E) all of these