Which of the following is true of the substantia nigra?
A. It releases dopamine and inhibits unwanted muscle activity.
B. It is located in the basal nuclei.
C. It is located in the cerebellum.
D. It is part of the limbic system.
E. It is located on the precentral gyrus.
A. It releases dopamine and inhibits unwanted muscle activity.
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Answer the following statements true (T) or false (F)
1. Leukocytes move through the circulatory system by amoeboid motion. 2. Granulocytes called neutrophils are phagocytic and are the most numerous of all white blood cell types. 3. All lymphocytes are leukocytes, but not all leukocytes are lymphocytes. 4. Myelocytic leukemia involves a cancerous condition of lymphocytes. 5. The myocardium receives its blood supply from the coronary arteries.
The hormone that stimulates the production of testosterone is ________ hormone.
What will be an ideal response?
When the quadratus lumborum muscles contract bilaterally, they flex the vertebral column.
Answer the following statement true (T) or false (F)
Which are differences between cardiac muscle tissue and skeletal muscle tissue?a: The sarcoplasmic reticulum in cardiac muscle is less extensive.b: The sarcoplasmic reticulum in cardiac muscle is more organized.c: Cardiac muscle has intercalated discs; skeletal muscle does not.d: Cardiac muscle has 1 or 2 nuclei per cell; skeletal muscle has multiple nuclei per cell.e: Cardiac muscle has more well defined terminal cisternae.
A. b, d, e B. a, c, d C. b, c, e D. a, b, e E. a, c, e