In which of the following patients should you remove an impaled object?
A. a semiconscious patient with an ice pick impaled in the chest
B. an apneic patient with a shard of glass impaled in the abdomen
C. a pulseless and apneic patient with a knife impaled in the back
D. a conscious and alert patient with a fishhook impaled in the eye
Answer: C. a pulseless and apneic patient with a knife impaled in the back
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A different form of an allele at a particular locus that can have no effect to major effects on the phenotype is a(n)
A. allelic variant. B. mutated allele. C. polymorphism. D. All of the choices are correct.
Which of the following molecules crosses the luminal membrane of intestinal cells by facilitated diffusion?
A. Maltose B. Galactose C. Lactose D. Glucose E. Fructose
Seasonal affective disorder occurs in individuals who are sensitive to overproduction of ____
a. prolactin b. melanin c. aldosterone d. melatonin
The muscles of the thorax are mostly involved in what action?
a. Rotation of chest b. Extension of back c. Flexion of abdomen d. Breathing