Christian 
To dream of Christianity implies that you are tapping into your own spiritual progression. Perhaps you are approaching a new level of self-discovery or awareness. It may also represent someone you know who holds the name Christian.
Creatures
To dream of faceless creatures implies that you are reluctant to deal with an issue, even though you fully acknowledge its existence. This dream may also indicate that you feel anxious and apprehensive about some issue or situation that you are experiencing.
Greyhound
To dream about a greyhound represents serendipity, joyous gifts, and friendship.
Heartbeat
To dream of hearing heartbeats rather than seeing the actual heart indicates the blindfolding of your true emotions.
To dream of a heartbeat can also refer to life. You are too used to the sound of a heartbeat that you do not put much thought on it - same as everything else you take for granted.
Similarly, you might also dream about hearing your heartbeat pounding through your chest whenever you are afraid, threatened, or overstressed.
Injection
To dream that you are being injected for health reasons symbolizes the necessity of recovery. Your need for healing may encompass any aspect of your persona, mind, body, heart, and spirit.
To dream that someone is forcibly injecting you indicates your resistance and negative mindset about a particular situation or person. It also symbolizes the effect of peer pressure on you. You are aware that someone is pressing their negative and unsolicited advice and viewpoints on you.
Insurance
To dream that you are buying insurance suggests that you have issues of trust. This mirrors fear and paranoia of losing something or someone close to you. Also, it represents your need to feel secure.
Interview
To dream that you are at an interview indicates your fear of being evaluated by others.
Racetrack
To dream of a racetrack is a caution to keep your options open. Putting all your energy into one project could unwittingly remove the focus from another project that may be more beneficial for you at this time.
Keep your energy clean and 'back more than one horse.' This is possibly related to career choice.
Obsession
To dream of having obsessive behavior is an indication that too much energy may be being put into an aspect of your career.
To dream of being obsessed with a person suggests that you may be overworking or nagging someone. Your unconscious may be trying to tell you to slow down and remember to breathe.
Pantyhose
To dream of pantyhose suggests a need to contain yourself sexually in inappropriate situations, possibly in the workplace or in a relationship that is not your own.
To dream you are having trouble pulling on pantyhose indicates that an inappropriate situation is out of control and that going on a spiritual quest could be the only honest answer.