The primary respiratory center is directly sensitive to ________ in the blood to modify respiration rate.

A. only oxygen levels
B. carbon dioxide and hydrogen levels
C. hydrogen and oxygen levels
D. carbon dioxide and oxygen levels


Answer: B

Anatomy & Physiology

You might also like to view...

The reaction sucrose + water ? glucose + fructose is an example of a(n) ________

A) double replacement reaction B) synthesis reaction C) decomposition reaction D) neutralization reaction E) anabolic reaction

Anatomy & Physiology

The superior anterior and posterior pancreaticoduodenal arteries arise from which of the following arteries?

(A) rightcolic (B) ileocolic (C) gastroduodenal (D) hepatic (E) splenic

Anatomy & Physiology

Which of the following would contain the greatest amount of information that scientists consider to be true to the best of their knowledge?

A. A hypothesis B. An equation C. A fact D. A law of nature E. A theory

Anatomy & Physiology

Lymph percolates through lymph __________, which contain special __________ that destroy bacteria picked up from the interstitial fluid

Fill in the blank(s) with correct word

Anatomy & Physiology