The sequence of symptoms of heatstroke is
A) neurological symptoms, dizziness, skin reddening, and then headache and racing
heart.
B) intense itching, profuse sweating, kidney failure, racing pulse, headache.
C) fever, itching, redness, headache, numb extremities, vomiting.
D) headache, dizziness, exhaustion, then sweating, which stops as the skin becomes
red, hot, and dry.
D
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What is the composition of the subcutaneous layer?
A. Adipose connective tissue B. Areolar connective tissue C. Dense irregular connective tissue D. Areolar connective tissue and dense irregular connective tissue E. Areolar connective tissue and adipose connective tissue
The protective, waterproof outer layer of skin is formed by the tough skeleton of the microtrabecular lattice that persists after the surface skin cells die
Indicate whether the statement is true or false
A sarcomere is ________
A) the nonfunctional unit of skeletal muscle B) the contractile unit between two Z discs C) the area between two intercalated discs D) the wavy lines on the cell, as seen in a microscope E) a compartment in a myofilament
Which of the following valves is most often faulty in the heart?
a. the aortic semilunar valve b. the tricuspid valve c. the pulmonary semilunar valve d. the mitral or bicuspid valve