Which of the following factors would increase the amount of oxygen discharged by hemoglobin to peripheral tissues?
A) decreased temperature
B) decreased pH
C) increased tissue PO2
D) decreased amounts of BPG
E) decreased temperature and decreased amounts of BPG
B
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If a person has lost a significant amount of blood but still maintains a normal blood pressure it does not necessarily mean that the person is maintaining adequate perfusion. Which of the following best explains why this is so?
A) The heart has increased its rate to increase cardiac output. B) Blood vessels are constricting causing greater peripheral resistance. C) The heart has increased its contractile force increasing cardiac output. D) The sympathetic nervous system has increased its nervous impulses.
The non-weight-bearing phase of a stride is the ________
Fill in the blank(s) with correct word
Which of the following is NOT a function of the kidneys?
A) afferent arteriole, glomerulus, efferent arteriole B) maintenance of acid-base balance of the blood C) maintenance of plasma osmolarity D) maintenance of electrolyte balance in the body
Scientists, studying skin microbes, have identified three unique strains of the bacterium P. acnes., all of which are found on the skin. These bacteria break down lipids, resulting in a low skin pH. This low pH is alkaline in nature and makes the environment unfavorable to invading bacteria.
Answer the following statement true (T) or false (F)