Following strenuous exercise, blood levels of lactic acid are ________ compared to pre-exercise levels. This change in acid concentration causes a reflex ________ in ventilation by activating ________

A. decreased; decrease; peripheral chemoreceptors
B. decreased; decrease; central chemoreceptors
C. increased; increase; baroreceptors in the aortic arch
D. increased; increase; central chemoreceptors
E. increased; increase; peripheral chemoreceptors


E

Anatomy & Physiology

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The outermost lining of the heart is the _________________________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

How do cardiomyocytes communicate with one another?

A) Neurotransmitters B) Gap junctions C) Synapses D) Tight junctions

Anatomy & Physiology

During which process do DNA strands unwind and DNA polymerase begin attaching complementary DNA nucleotides along each strand?

A) replication B) mitosis C) transcription D) mutation E) translation

Anatomy & Physiology

Channels within bone, involved with cell-to-cell communication, are called

A) canaliculi. B) lacunae. C) lamellae. D) perforating canals. E) Haversian canals.

Anatomy & Physiology