Which of the following would be a normal response of the cardiovascular system to a decreased frequency of action potentials arising from the baroreceptors?

a) Increased systemic vascular resistance
b) Increased parasympathetic stimulation
c) Decreased heart rate
d) Decreased stroke volume
e) Decreased cardiac output


a

Anatomy & Physiology

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The citric acid cycle involves

A.  a multienzyme complex within the cytosol. B.  several enzymes within the matrix of the mitochondrion. C.  a multienzyme complex within the outer compartment of the mitochondrion. D.  several enzymes within the cytosol and the outer membrane of the mitochondrion.

Anatomy & Physiology

Which of the following organs is not part of the lower respiratory system?

A) pharynx B) trachea C) larynx D) bronchi E) alveoli

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Eyebrow hairs are always shorter than hairs on your head because ________

A) eyebrow follicles are only active for a few months B) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length C) they grow much slower D) the vascular supply of the eyebrow follicle is one-tenth that of the head hair follicle

Anatomy & Physiology