____ 28. Which of the following drugs does NOT directly affectthe nervous system?
a. caffeine
b. antibiotic
c. cocaine
____ 29. A doctor injects a patient that has been infected withhepatitis A with hepatitis A antibodies, thereby giving the
patient _____ immunity.
a. active
b. non-specific
c. passive
____ 30. Which of the following is always an effect of externalrespiration?
a. an increase in carbon dioxide levels in the blood
b. a decrease in carbon dioxide levels in the blood
c. a decrease in the oxygen levels in the blood
____ 31. Epithelial cells are similar to the shingles of a roof inthat they are both flat and overlap. How does this
structure aid in their function?
a. It allows the individual cells to shed more easily.
b. It allows the whole structure of the skin to belightweight.
c. It allows them to form a barrier to the outside.
____ 32. Which of the following describes functions of theperipheral nervous system?
a. integrates perception, movement, and intellect
b. transmits external stimuli and motor responses
c. regulates body temperature, thirst, and appetite
____ 33. During which phase do the cells of the follicle developinto the corpus luteum?
a. luteal phase
b. follicular phase
c. flow phase
____ 34. _______ receive the signals called impulses from otherneurons and conduct the impulses to the cell body.
a. Axons
b. Dendrites
c. Neurons
____ 35. A 15 year-old would be in the major phase of developmentcalled
a. adulthood
b. adolescence
c. childhood
____ 36. Vomiting is often accompanied by a burning sensation inthe throat. What is the most likely cause of this?
a. acid from the stomach
b. amylase in the mouth
c. peristalsis in the small intestine