Mary is in an automobile accident and suffers a spinal cord injury. She has lost feeling in her lower body. Her doctor tells her that swelling is compressing a portion of her spinal cord. Which part of her cord is likely to be compressed?
A) the anterior gray horns
B) the anterior gray commissures
C) ascending tracts
D) descending tracts
E) the anterior white commissures
C
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Place these steps in phagocytosis in the correct order.1. Residue is ejected from the cell. 2. Lysome fuses with vesicle. 3. Cytoplasmic extensions of the cell surround the object being destroyed. 4. A vesicle is formed in the cytoplasm. 5. Digestive enzymes are activated.
A) 3, 4, 5, 2, 1 B) 2, 4, 3, 5, 1 C) 3, 4, 2, 5, 1 D) 1, 4, 5, 2, 3 E) 5, 3, 4, 2, 1
Select the correct statement regarding smooth muscle
a. It composes the walls of the heart. b. It is absent in the walls of hollow organs. c. Its cells are multinucleated. d. Its cells are spindle-shaped. e. Its cells lack actin and myosin.
If the pulmonary ventilation rate is 3200 ml/minute with a tidal volume of 400, the respiratory rate is ____ breaths per minute
a. 6 b. 8 c. 14 d. 16 e. 20
The ovaries release estrogen and progesterone in response to gonadotropic hormones from the anterior pituitary gland
Indicate whether the statement is true or false