Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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7) Place the following in correct sequence from simplest to most complex:
1. molecules
2. atoms
3. tissues
4. cells
5. organs
A) 1-2-3-4-5
B) 2-1-4-3-5
C) 2-1-3-4-5
D) 1-2-4-3-5
8) Which of the following statements is the most correct regarding homeostatic imbalance?
A) It is considered the cause of most diseases.
B) The internal environment is becoming more stable.
C) Positive feedback mechanisms are overwhelmed.
D) Negative feedback mechanisms are functioning normally.
9) It is wise to study anatomy alongside with physiology because
A) it makes for more efficient use of students' and teachers' time
B) to understand anatomy requires complete understanding of physiology
C) physiology is only explainable in terms of the underlying anatomy
D) anatomy and physiology are practically the same thing
10) When a baby suckles at its mother's breast the stimulus at the breast is sent to the mother's brain (a
region called the hypothalamus). The brain responds by releasing hormones to stimulate the production
and the ejection of milk from the breast. This helps the newborn to receive nourishment and encourages
more suckling. This example is best described as a
A) negative feedback
B) loss of homeostasis
C) necessary life function
D) positive feedback
11) Which of the following does NOT describe enzymes?
A) Some enzymes are purely protein.
B) Some enzymes are protein plus a cofactor.
C) Each enzyme is chemically specific.
D) Enzymes work by raising the energy of activation.
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