---

---

Select your answer:
         

Next Quiz >

Topics:

Factors that Affect Health and Wellness Linked Gene Inner Ear Neuroanatomy Bacteria Structure Injuries in Archery Eco Factors & Bacteria Pain Pathophysiology Levels of Organization Integumentary System: Skin Disorder What is Psychology? Introduction to Pharmacology Musculoskeletal Diseases Virus and Bacteria Nutrition In Animal Blood & Blood Vessels

Other quiz:

Anatomy & Physiology: Respiratory › View

The driving force regulating breathing is ________.

A. blood O2 levels

B. blood glucose levels

C. blood CO2 levels

D. Both “blood CO2 levels” and “blood O2” levels.

---

The Cardiovascular System: Blood Vessels and Hemodynamics › View

If blood pressure drops,a negative feedback mechanism causes.

A. activation of the venous reservoirs.

B. increase capillary blood flow.

C. increase heart rate, stroke volume, and vasoconstriction.

D. vasodilation of systemic arterioles.

---