Which of these regulates activity in the basal nuclei?

A. Superior colliculus
B. Substantia nigra
C.cerebral peduncle
D. Red nucleus


B. Substantia nigra

Anatomy & Physiology

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________ exists when the immune system does not respond to normal tissues and their antigens.

A) Versatility B) Tolerance C) Memory D) Specificity E) Active immunity

Anatomy & Physiology

The large proximal projection on the femur is termed the

A) ramus. B) trochanter. C) tuberosity. D) tubercle. E) condyle.

Anatomy & Physiology

The X and Y chromosomes are considered homologous autosomes.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Place the following events of a reflex arc in the correct order: 1 ) motor neuron activation, 2 ) sensory neuron activation, 3 ) sensory receptor activation, 4 ) Information processing, 5 ) effector response

A) 3, 2, 1, 5, 4 B) 3, 2, 4, 1, 5 C) 2, 3, 4, 5, 1 D) 4, 3, 1, 2, 5 E) 1, 5, 3, 2, 4

Anatomy & Physiology