Irregular heart beat is known as _____
a. tachycardia
b. arrhythmia
c. bradycardia
d. atrial fibrillation
e. hypertension
ANSWER: b
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T cells can be classified as:
A. helper T cells. B. memory T cells. C. cytotoxic T cells. D. either helper T cells or memory T cells.
Hpv
A. can integrate into the host's chromosome. B. may be split into cancer-associated and wart-causing types. C. infections always lead to cancer. D. cannot infect newborns at birth. E. can integrate into the host's chromosome AND may be split into cancer-associated and wart-causing types
A bundle of ____ extends from the base to the tip of a eukaryotic flagellum or cilium
a. microtubules b. microfilaments c. actin d. cytokeratin e. intermediate filaments
In mammals, which of the following aids in thermoregulation and communication?
a. Sudoriferous glands b. Sebaceous glands c. Cutaneous respiration d. Adrenal glands