Physiological temperature regulation that is typical of endotherms is impaired only by lesions in the

A. preoptic area
B. brainstem
C. medial hypothalamus
D. dorsomedial thalamus


Answer: A. preoptic area

Biology & Microbiology

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An intestinal protozoan appeared 8 µm in diameter with a small, compact, centrally located karyosome. Four nuclei were observed in the mature cyst. The organism can be identified as:

a. E. histolytica. b. E. dispar. c. E. hartmanni. d. E. coli.

Biology & Microbiology

Which of the following cell types is long lived and continues to produce antibody?

a. cytotoxic T cells b. memory B cells c. T helper cells d. plasma cells e. macrophages

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. A patient with bacterial meningitis will be given a bacteriostatic antibiotic, as well as an anti-inflammatory steroid. 2. Nephrotoxic antimicrobial drugs can induce liver damage and are leading agents of drug-induced liver injury. 3. When combating methicillin- and oxacillin-resistant Staphylococcus aureus strains, it is effective to administer alternative beta-lactam drugs.

Biology & Microbiology

________ are various bacterial enzymes that dissolve fibrin clots.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology