Which of the following is a descending pathway in the spinal cord?
A. Corticospinal tract
B. Spinoreticular tract
C. Fasciculus gracilis
D. Trigeminothalamic tract
E. Spinothalamic tract
Answer: A
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Answer the following statements true (T) or false (F)
1. The SA node is located in the upper wall of the right atrium. 2. The Purkinje cells are tightly bound together to form the AV bundle. 3. Arteries that arise about an inch inferior to the celiac and deliver blood to the pancreas, small intestine and most of the large intestine are the inferior mesenteric arteries. 4. The terminal portions of the large intestine and rectum receive arterial blood from the superior mesenteric arteries.
Surgical removal of the ovaries is referred to as:
A) ovariohysterectomy B) OHE or OVH C) spay D) all of the above
Which of the following activities should lead to the loss of at least a pound of fat in one
week? A) slow walking or dressing and undressing for an hour each day. B) swimming or running for an hour each day. C) sitting at rest for two hours each day. D) swimming for half an hour each day.
From which embryonic brain region does the medulla oblongata form?
A. telencephalon B. diencephalon C. mesencephalon D. metencephalon E. myelencephalon