Which layer of the uterus varies according to the monthly reproductive cycle?
A. Myometrium
B. Perimetrium
C. Endometrium
D. All apply.
Answer: C
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Which of the following is not true of the urethra?
A. The type of epithelium found in the mucous coat changes between the base of the urinary bladder and the external urethral orifice. B. It contains two sphincters, one composed of smooth muscle, and the other composed of skeletal muscle. C. It contains urethral glands, which secrete protective mucus into the lumen of the urethra. D. It is about the same length in males and females. E. All of these are true of the urethra.
Long-term immunity occurs when:
a. T cells form plasma cells b. neutrophils form plasma cells c. macrophages form plasma cells d. B cells form memory cells
Answer the following statements true (T) or false (F)
1. Tidal volume is part of vital capacity. 2. Residual volume is part of vital capacity. 3. Vital capacity is the amount of air that is inhaled and exhaled during normal, quiet breathing. 4. Tidal volume plus residual volume is equal to vital capacity. 5. The inspiratory center is located in the medulla.
The plasma membrane does not include
A) integral proteins. B) glycolipids. C) phospholipids. D) cholesterol. E) silk mesh.