Stretch marks are the result of tears in the integumentary layer that contains fibrous connective tissue, elastin, and collagen. What is this region of the integumentary system called?
A. Langerhans layer
B. dermis
C. epidermis
D. hypodermis
E. subcutaneous layer
Answer: B
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A) ligaments B) tendons C) loose connective tissue D) Haversian systems E) spindle fibers
Which of the following types of organisms are NOT considered to be part of the plankton?
A. bacteria B. algae C. protozoans D. periphyton E. viruses
Jeremy leads an active lifestyle. He spends at least two hours in the gym every day. He follows a high protein diet and consumes caffeine in moderate quantities. Despite this, Jeremy falls asleep at his desk four to five times a day. Once he wakes up, he finds it difficult to move around for a few minutes. He likely has
A) anorexia nervosa. B) bulimia. C) schizophrenia. D) narcolepsy.
Infection with Helicobacter pylori can cause ________
A) gallstones B) constipation C) tooth decay D) peptic ulcers