What physiological processes occur in response to an increase in blood pressure? What will be an ideal response?Concepts to Consider: Baroreceptors in the walls of the arteries and heart are sensitive to blood

pressure changes. Increases in blood pressure stretch baroreceptors; message is sent to medulla;
cardiac center of brain stimulates parasympathetic nerves that slow the heart down; pressure is
lowered. Also, vasomotor center of brain inhibits sympathetic nerves that cause vasodilation, so
pressure is lowered


Concepts to Consider: Baroreceptors in the walls of the arteries and heart are sensitive to blood
pressure changes. Increases in blood pressure stretch baroreceptors; message is sent to medulla;
cardiac center of brain stimulates parasympathetic nerves that slow the heart down; pressure is
lowered. Also, vasomotor center of brain inhibits sympathetic nerves that cause vasodilation, so
pressure is lowered

Biology & Microbiology

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Which of the following statements best describes the structure of a hemoglobin molecule?

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Biology & Microbiology

To prevent Clostridium infections in a hospital setting, what kind of disinfectant should be used?

A) fungicidal B) pseudomonicidal C) sporicidal D) tuberculocidal

Biology & Microbiology

Polonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. They can be stopped by, for example, a sheet of paper or a few

inches of air. That is one reason that authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006 . What element does an atom of 210Po change into after it emits an alpha particle? What will be an ideal response?

Biology & Microbiology

What kingdoms composed the three kingdom classification system used by scientists in the late 1800s?

a. animals, plants, fungi b. animals, plants, bacteria c. animals, fungi, protists d. animals, plants, protists

Biology & Microbiology