Both the piriformis and obturator internus muscles lie partly within the pelvic cavity and partly within the gluteal region.
Indicate whether the statement is true or false.
Ans: True.
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T Lymphocytes are produced and stored in all of the following except
A) the thymus. B) lymphatic nodules. C) lymph node organs. D) the spleen. E) the brain.
Answer the following statements true (T) or false (F)
1. Glucocorticoids are steroid hormones that usually enhance the immune responses when an individual is suffering from severe stress. 2. Direct gene activation involves a second-messenger system. 3. All peptide hormone synthesis requires gene activation that produces mRNA. 4. All adenohypophyseal hormones except GH affect their target cells via a cyclic AMP second messenger. 5. The primary source of RBCs in the adult human being is the bone marrow in the shafts of the long bones.
Which of the following is not a function of hepatocytes?
A. Absorption of glucose B. Removal of toxins from the blood C. Production of digestive enzymes D. Secretion of albumin E. Secretion of bile
When one hormone is needed for a second hormone to produce an effect, it is called
A) agonistic. B) antagonistic. C) synergistic. D) additive. E) permissive.