Identify the role of cholesterol in the plasma membrane
A) enables ions to pass
B) forms enzymes
C) reduces membrane fluidity and permeability
D) anchors the phospholipids
E) provides energy
C
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Which of the following types of fractures is the simplest type??
A) ?Compound, or open B) ?Simple, or closed C) ?Comminuted D) ?Greenstick
Which are considered specific characteristics of all muscle cells?a: Contractilityb: Extensibilityc: Excitabilityd: Elasticitye: Conductivity
A. a, b, d, e B. a, b, c, d C. a, c, d, e D. a, b, c, d, e E. b, c, d
Bradycardia that occurs shortly after you have dressed and bandaged an open neck wound is MOST likely the result of:
A) decreased vagal tone secondary to direct injury to the vagus nerve. B) decreased venous return from the brain and an increase in intracranial pressure. C) an acute pulmonary embolism due to the entrainment of air into one of the jugular veins. D) parasympathetic nervous system stimulation due to excessive pressure on the carotid artery.
The blastocyst implants in the uterus on about the ________ day of the 28-day menstrual cycle. At this time, the endometrium is ________ and progesterone levels are _______
A. 21st; thick and secretory; high B. 28th; thick and secretory; low C. 14th; thick and secretory; low D. 28th; thin and proliferating; high E. 21st; thin and proliferating; low