Physiology Review: Question Preview (ID: 1966)

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A signal that the bladder is full is sent to the central nervous system by
a) feedback loops.
b) sensory neurons
c) nephron tubules.
d) receptor proteins

Which of the following is a function of the nervous system
a) releasing ATP into contracting muscle tissues
b) signaling muscle tissues to contract
c) producing lactic acid in fatigued muscle tissues
d) increasing cellular respiration in muscle tissues

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

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
a) learned responses
b) short-term memory
c) reflex reactions.
d) sensory overload

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

How do human diseases caused by bacteria and diseases caused by viruses react to antibiotics?
a) Neither responds to antibiotics
b) Both respond to antibiotics
c) Viral diseases respond to antibiotics; bacterial diseases do not.
d) Bacterial diseases respond to antibiotics; viral diseases do not

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

Which three human-body systems coordinate to cause an arm to move?
a) nervous, muscular, skeletal
b) respiratory, muscular, digestive
c) skeletal, circulatory, immune
d) digestive, nervous, circulatory

As a person exercises, carbon dioxide (CO2 ) levels in the blood increase. This causes the nervous system to signal which of these systems to respond?
a) digestive and immune
b) immune and respiratory
c) respiratory and circulatory
d) circulatory and endocrine

Which of the following levels of organization best represents the sequence from smallest unit to largest?
a) cell, organism, organ, tissue
b) cell, tissue, organ, organ system
c) cell, organism, tissue, organ system
d) cell, tissue, organism, organ

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