Physiology Practice Quiz

*1. In order for the body to maintain homeostasis, the chemical decomposition of food to produce energy must be followed by
water intake.
muscle contractions.
waste removal.
nervous impulses.

*2. The respiratory system depends on the nervous system for signals to
enhance the amount of available oxygen in the lungs.
coordinate muscles controlling breathing.
release enzymes to increase the exchange of gases.
exchange gases with the circulatory system.

*3. Striking the tendon just below the kneecap causes the lower leg to jerk. Moving an object quickly toward the face can cause the eyes to blink shut. These are examples of
learned responses.
short-term memory.
reflex reactions.
sensory overload.

*4. Which of the following is a function of the nervous system?
releasing ATP into contracting muscle tissues
signaling muscle tissues to contract
producing lactic acid in fatigued muscle tissues
increasing cellular respiration in muscle tissues

*5. What is the greatest danger to a patient who has had damage to the skin?
loss of oils produced by the skin
excessive muscle contractions in the damaged area
infections in uncovered tissues
damaged tissue entering the blood stream

*6. The Sabin vaccine is a liquid containing weakened polio viruses. Vaccinated individuals become protected against polio because the weakened viruses
prevent further viral invasion.
induce an inflammatory response.
promote production of antibodies.
are too weak to cause illness.

*7. Which of the following require a host cell because they are not able to make proteins on their own?
blue-green algae
bacteria
protozoans
viruses

*8. Individuals with HIV sometimes contract a pneumonia infection that is rare in the rest of the population because people with HIV
are unable to fight off these pneumonia-causing organisms.
are more often exposed to these pneumonia-causing organisms.
release pheromones that attract the pneumonia-causing organisms.
release substances that increase the strength of the pneumonia-causing organisms.

Score =
Correct answers:

*taken from 2003, 2004, 2005 CDE Released Test Questions-http://www.cde.ca.gov/ta/tg/sr/css05rtq.asp

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