[Tex/LaTex] biblatex: \textcite author formatting vs. bibliography author formatting

biblatex

For LaTeX citations, I use biblatex/babel. The journal for which I'm writing requires a bibliography with authors formatted as follows:

Guyton AC, Hall JE.

That is, with no "and" before the last author. I did manage this (see example below), however, in \textcite, "and" is also gone now…

Questions

  1. Is it possible to remove "and" in the bibliography, but leave it in \textcite.
  2. Previously, I used \textcite together with the authoryear style. Using a solution also posted on this website, I was able to put multiple sources in one \textcite, and biblatex would place commas and an "and" at the appropriate places. Is it possible to adapt this solution for numeric citation styles?
  3. Is there a way to make all authors (and the commas in between them) bold in the bibliography?
\documentclass[a4paper]{article}
\usepackage[american]{babel}
\usepackage[
  terseinits=true,
  firstinits=true,
  backend=biber,
  style=numeric
]{biblatex}

%Put initials after names...
\DeclareNameAlias{sortname}{last-first}
\DeclareNameAlias{default}{last-first}    

%Remove "and" before last name. However, this also removes "and" in a textcite...
\renewcommand*{\finalnamedelim}{\addcomma\space}

%I also removed the commas between last names and initials (https://tex.stackexchange.com/questions/17583/biblatex-remove-commas-between-last-and-first-names-in-bibliography). This is however not needed for a minimum working example.

%Generate a test bibliography
\usepackage{filecontents}
\begin{filecontents*}{database.bib}
@BOOK{Guyton2006,
  title = {Textbook of Medical Physiology},
  publisher = {W.B. Saunders},
  year = {2006},
  author = {Arthur C. Guyton and John E. Hall},
  address = {Philadelphia, Pennsylvania},
  edition = {11th Edition}
}
\end{filecontents*}

\bibliography{database.bib}

%Some biber compatibility things (from https://tex.stackexchange.com/questions/21711/setting-up-winedt-6-0-and-miktex-to-run-biblatex-and-biber)...
\makeatletter
    \providecommand\bibstyle@faked{}
    \providecommand\bibdata@faked{}
    \AtBeginDocument{%
    \immediate\write\@mainaux{\noexpand\bibstyle@faked}%
    \immediate\write\@mainaux{\noexpand\bibdata@faked}}
\makeatother

\begin{document}
The following sentence contains a textcite example. \textcite{Guyton2006} wrote a comprehensive textbook.
\printbibliography
\end{document}

Best Answer

Ad question 1: Simply use

\AtBeginBibliography{%
  \renewcommand*{\finalnamedelim}{\addcomma\space}%
}
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