Schoolcraft College
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) The metabolic diversity of photosynthetic bacteria stems from different 
A) bacteriochlorophylls and pigments they contain. 
B) chlorophylls they can have and organic compounds they can produce. 
C) light-harvesting complexes, electron donors, and organic compounds they produce. 
D) unrelated taxa capable of photosynthesis. 
 
2) Whether an organism is classified as a photoheterotroph or a photoautotroph depends on its 
A) energy source. 
B) carbon source. 
C) oxygen requirements. 
D) carbon a...
1. A nurse assesses a client who had a myocardial infarction and is
hypotensive. Which additional assessment finding should the nurse expect?
a. Heart rate of 120 beats/min
b. Cool, clammy skin
c. Oxygen saturation of 90%
d. Respiratory rate of 8 breaths/min
ANS: A
When a client experiences hypotension, baroreceptors in the aortic arch sense a pressure
decrease in the vessels. The parasympathetic system responds by lessening the inhibitory
effect on the sinoatrial node. This results in an increa...
1. A nurse assesses a client’s electrocardiograph tracing and observes that not
all QRS complexes are preceded by a P wave. How should the nurse interpret this
observation?
a. The client has hyperkalemia causing
irregular QRS complexes.
b. Ventricular tachycardia is overriding the
normal atrial rhythm.
c. The client’s chest leads are not making
sufficient contact with the skin.
d. Ventricular and atrial depolarizations are
initiated from different sites.
ANS: D
Normal rhythm shows one P wave...