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Question
What is the inner most layer of an artery made of?a. connective tissue
b. smooth muscle
c. endothelium
d. elastin fibers
e. collagen fibers
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Describe how hydrogen ion secretion impacts acid-base balance.
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The plasma clearance rate of a substance filtered, but not reabsorbed or secreted, always equals the __________.
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a. True
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a. True
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a. True
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a. True
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The loop of Henle forms a sharp U-shaped or hairpin loop that surrounds the renal cortex.
a. True
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What does micturition mean?
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b. The process of filtration through the glomerulus
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What happens when the hydrogen ion concentration in the body fluids is too low?
a. Oxygen absorption increases.
b. Hydrogen absorption increases.
c. Hydrogen absorption decreases.
d. Hydrogen secretion increases.
e. Hydrogen secretion decreases.
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The most prevalent ions secreted by the tubules are:
a. sodium and chloride
b. sodium and hydrogen
c. sodium and potassium
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a. potassium
b. chloride
c. sodium
d. glucose
e. phosphorus
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a. primary passive transport
b. secondary passive transport
c. primary active transport
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a. internal regulation and intrinsic parasympathetic control
b. autoregulation and intrinsic sympathetic control
c. internal regulation and extrinsic parasympathetic control
d. autoregulation and extrinsic sympathetic control
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Gas exchange at both the pulmonary capillary and the tissue capillary levels involves simple __________ diffusion of O2 and CO2 down __________ pressure gradients.
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Emphysema is characterized by __________ of the smaller airways and breakdown of __________ walls.
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a. True
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a. True
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a. True
b. False
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a. chest muscles
b. abdominal muscles
c. intercostal muscles
d. bronchioles
e. diaphragm
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Generation of respiratory rhythm is now known to lie in the:
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b. pneumotaxic center
c. respiratory modulator
d. pre-Btzinger complex
e. apneustic center
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The most important factor determining the percentage of hemoglobin saturation is the:
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c. pH of the blood
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e. PO2 of the blood