Examination of a sample of glandular cells reveals an extensive network of smooth endoplasmic reticulum. Which of the following is the likeliest product of these cells?
A) digestive enzymes
B) steroid hormones
C) protein hormones
D) transport proteins
E) antibodies
Answer: B
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This type of tissue can be classified by the shape and arrangement of its cells
A) Epithelial B) Connective C) Muscle D) Nervous
Some rat poisons contain a toxin that blocks the liver's ability to utilize vitamin K. Animals that consume this poison would die of
A) anemia. B) acidosis. C) hemorrhage. D) thrombocytopenia. E) starvation.
In response to low blood ________, the kidneys secrete __________
A. calcium; renin B. oxygen; erythropoietin C. sodium; calcitriol D. potassium; erythropoietin E. glucose; calcitriol
The midline region of the mandible is called the
A) symphysis. B) thyroid cartilage. C) external occipital protuberance D) body of the mandible. E) mental protuberance.