Which of the following lists the body's first, second, and third lines of defense in order?
A. External adaptive immunity, internal adaptive immunity, innate immunity
B. Innate immunity, internal adaptive immunity, internal innate immunity
C. External innate immunity, internal innate immunity, adaptive immunity
D. External innate immunity, adaptive immunity, internal innate immunity
E. Adaptive immunity, external innate immunity, internal immunity
Answer: C
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Thyroid-stimulating hormone (TSH) is secreted by the
A. hypothalamus, and it targets cells of the posterior pituitary gland B. hypothalamus, and it targets cells of the anterior pituitary gland. C. anterior pituitary, and it targets follicular cells of the thyroid gland. D. posterior pituitary, and it targets parafollicular cells of the thyroid gland. E. thyroid gland, and it targets cells of the parathyroid gland.
Urea is reabsorbed in the nephron loop
Indicate whether the statement is true or false
Which of the following is not a stage or phase in the mentor-protégé relationship?
A. initiation B. confrontation C. break-up D. lasting-friendship
The ________ passes through the shaft of the penis to the external urethral meatus
A) penile urethra B) membranous urethra C) prostatic urethra