Inhalation of respiratory secretions is involved in the transmission of the following, except
A. mumps.
B. dengue fever.
C. influenza.
D. rubella.
E. SARS.
Answer: B
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Echinoderms are unique in their (choose all that apply)
A. five-fold symmetry. B. skeletons made of interlocking plates of protein. C. water vascular system. D. Skeletons made of interlocking plates of calcite E. Filter feeding
Many breast cancers involve mutations in the BRCA1 gene. Explain the difference between sporadic
and familial breast cancer caused by this gene at a molecular level.
What will be an ideal response?Place the following events of mitosis in the correct order.I. Sister chromatids align on the metaphase plate.II. The cleavage furrow forms.III. The nuclear membrane breaks up.IV. Sister chromatids condense.V. Sister chromatids separate.
A. III, IV, I, V, II B. IV, III, I, V, II C. IV, I, III, V, II D. III, II, I, IV, V E. I, II, III, IV, V
Which is false about insomnia?
-it is the complain or poor sleep quality with daytime functional impairment or distress for at least 1 month -to meet criteria for sleep onset insomnia a patient must have a sleep latency of greater than 30 minutes -Patients with sleep maintenance insomnia have difficulty staying asleep -Patients with sleep maintenance insomnia have difficulty staying asleep with frequent and extended awakenings totaling 15 minutes in time