Which of the following are found in the nucleus of an atom?
an electron and neutron
a proton, neutron, and electron
a proton and neutron
a proton and electron
a proton and neutron
Rationale: A proton (positively charged) and neutron (uncharged) are found within the nucleus.
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Which of the following statements regarding integrins is true?
A. Integrins are cell surface receptors that allow cells to reversibly bind to the extracellular matrix to achieve cell migration. B. Integrins produce vascular endothelial growth factor to assist with angiogenesis. C. Integrins are specialized fibroblasts that assist with wound contraction. D. Integrins are a temporary latticework of vascularized connective tissue that forms during the proliferative phase of wound healing.
The medical assistant is expected to set up the sterile field, including instruments and equipment needed for the surgical procedure.
Answer the following statement true (T) or false (F)
Which drug category normalizes the heartbeat in certain cases of cardiac arrhythmias?
A. Expectorant B. Anthelmintic C. Hemostatic D. Antiarrhythmic E. Anticoagulant
An oily substance called ________ is secreted onto hairs to keep them soft and pliable and is eventually deposited onto skin to keep it soft as well.
Fill in the blank(s) with the appropriate word(s).