The nerves that supply the lower limbs enter or exit from this area of the spinal cord.
A) brachial plexuses
B) cervical enlargement
C) cervical plexuses
D) lumbar enlargement
Ans: D) lumbar enlargement
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Hormones
A. primarily function through electric signaling. B. generate action potentials to send signals through the body. C. catalyze reactions by physically bringing two reactants closer together. D. have functions in growth, reproduction, and development.
Hormones from the adrenal cortex that regulate electrolyte balance are
A) antidiuretics. B) calcitonin and parathyroid hormone. C) mineralocorticoids. D) androgens. E) glucocorticoids.
Answer the following statements true (T) or false (F)
1. If a patient were having a heart attack caused by a blood clot, streptokinase would be an effective treatment in dissolving the clot. 2. A person with B antigens on the red blood cell and anti-A antibodies in the plasma would have type A blood. 3. A person with both A and B antigens on the red blood cell and no antibodies in the plasma would have type AB blood. 4. A person with both A and B antigens on the red blood cell and no antibodies in the plasma would have type O blood. 5. A person with no antigens on the red blood cell and both anti-A and anti-B antibodies in the plasma would be considered a universal recipient.
Match the following:
A) Type I cells B) Type II cells C) Respiratory bronchioles D) Alveolar duct E) Segmental bronchi 1) No exchange of gases occurs here. 2) Secrete a fluid containing surfactant. 3) Where the respiratory zone of the lungs begins. 4) Composed of simple squamous epithelium. 5) Terminates in alveoli. 6) Composed of cuboidal cells. 7) The respiratory membrane is composed of fused basement membrane of the capillary walls and ________.