Which of the following are ciliated cells?
A. red blood cells
B. macrophage (large, mobile white blood cell)
C. spermatozoa
D. columnar cells of upper respiratory tract
E. columnar cells of small intestines
D
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Which of the following is not correct for the trochlear nerve?
A) It emerges from the posterior aspect of the brainstem. B) Nerve injury is characterized by inability to focus on near objects. C) Nerve injury is characterized by lack of coordination for the two eyes when looking downwards. D) It traverses the lateral wall of the cavernous sinus. E) It innervates the superior oblique.
Phospholipids are important components of the plasma membrane. What does "B" represent on the diagram?
A. phosphorus B. oxygen C. nitrogen D. polar (hydrophilic) region E. nonpolar (hydrophobic) region
There are eight cervical nerves.
Answer the following statement true (T) or false (F)
Which group of people would need the longest recovery period from an injury or accident?
A. Elderly B. Elite old C. Older old D. Younger old