Sample Questions from Chapter 1,2,3,4,5,6,8,9,11,12 for Exam 4 (final exam). You may not find
the answer key at the end of the document. 25 Questions from this will be appear in exam 4.
Multiple Choice Question; Choose the best answer
1) The body cavities that protect the nervous system are located in the ________ cavity.
A) ventral
B) cranial
C) dorsal
D) vertebral
E) thoracic
2) You are asked to take a person's heart rate at the popliteal pulse point. You will look for this
pulse ________.
A) on the palmar side of the hand
B) in the distal end of the lower leg
C) on the posterior side of the knee
D) at the posterior side of the wrist
3) Which of the following statements is the most correct regarding homeostatic imbalance?
A) It is considered the cause of most diseases.
B) Positive feedback mechanisms are overwhelmed.
C) Negative feedback mechanisms are functioning normally.
D) The internal environment is becoming more stable.
4) 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) necessary life function
C) loss of homeostasis
D) positive feedback
5) What structural level is represented by the coiling of the protein chain backbone into an alpha
helix?
A) tertiary structure
B) secondary structure
C) primary structure
D) quaternary structure
6) Which of the following does NOT describe enzymes?
A) Enzymes work by raising the energy of activation.
B) Some enzymes are purely protein.
C) Some enzymes are protein plus a cofactor.
D) Each enzyme is chemically specific.
