What is the primary variable regulated by automatic breathing?

A. CSF pH
B. minute ventilation
C. systemic arterial PCO2
D. systemic arterial PO2
E. tidal volume


Answer: C. systemic arterial PCO2

Anatomy & Physiology

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The term transport maximum, Tm, refers to

a. the maximum amount of a substance that the tubular cells can transport within a given period. b. the maximum amount of a substance that flows through the peritubular capillary within a given period. c. the maximum rate of diffusion of sodium through the glomerular membrane. d. the maximum amount of filtrate that can be produced in the presence of aquaporins.

Anatomy & Physiology

Which of the following is true concerning oxygen in regards to aerobic respiration?

A) It directly receives electrons and protons from NAD+ and FAD. B) It is the final electron acceptor in aerobic respiration. C) It is the only substrate of aerobic respiration. D) It directly transfers electrons and protons to NAD+ and FAD. E) It transports electrons to the mitochondrion.

Anatomy & Physiology

An intact female cat is a/an __________

Fill in the blank(s) with correct word

Anatomy & Physiology

Define expiration

What will be an ideal response?

Anatomy & Physiology