Which layer of the epidermis contains layers of flattened keratinocytes that are going through apoptosis?
a) Stratum basale
b) Stratum spinosum
c) Stratum granulosum
d) Stratum lucidum
e) Stratum corneum
Answer: c
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Which is TRUE about the hormone vasopressin (also known as antidiuretic hormone, ADH)?
A. It promotes the excretion of more water in the urine. B. Its main function is to trigger the secretion of aldosterone. C. It triggers insertion of aquaporins into the apical membranes of collecting duct cells. D. It stimulates the excretion of K+ in the urine. E. It is a peptide hormone released from the adrenal gland.
Assume you have been chewing a piece of bread for 5 or 6 minutes. How would you expect its taste to change during this time? Why?
What will be an ideal response?
Regions of the stomach include all of the following except
A) cardia. B) body. C) pylorus. D) ileum. E) fundus.
The ABO blood group is determined by ________ in the plasma membrane of RBCs
A) glycoproteins B) glycolipids C) agglutinins D) antibodies E) antigen-antibody complexes