1. Dismiss Notice
  2. Guest, be sure to check out How To Get Into Dental School, our free downloadable PDF with step-by-step details for dental school applicants!
    Dismiss Notice
Dismiss Notice

Interview Feedback: Visit Interview Feedback to view and submit interview information.

Interviewing Masterclass: Free masterclass on interviewing from SDN and Medical College of Georgia

some ?'s from my practice DAT today

Discussion in 'Pre-Dental' started by vixen, Aug 3, 2002.

  1. vixen

    vixen I like members
    10+ Year Member

    Joined:
    Oct 17, 2000
    Messages:
    5,760
    Likes Received:
    1
    1) what's a planaria? It was mentioned in a question.

    2) also, lacteals absorb:
    A) carb's
    B) proteins
    C) fatty acids
    D) salts
    E)water

    answer is C. I put A...wasnt sure why.

    3) which selection most likely leads to speciation?
    A) directional selection
    B) disruptive selection
    C) sexual selection
    D) stabilizing selection

    answer is B....I thought it was B, what is "disruptive selection"?

    4) when empty, the mass of a beaker is 115g. when filled w/300mL of an unknown liquid, the combined mass is 427g. what volume (in mL) would 1kg of the liquid occupy?

    A) (300)(1000)/(427-115)
    B) (300)(1000)(427-115)
    C) 300/427
    D) 300/(427-115)

    answer is A....dont why youd multiply by 1000 first...

    5) which of the following is not a good conductor of electricity?
    A) Fe (s)
    B) NaCl (aq)
    C) NaCl (l)
    D) NaCl (s)
    E) Cu (s)

    Answer is D. I dont know why

    6) Which of the following compounds is not capable of hydrogen bonding?
    A) C4H11N
    B) C4H9NO
    C) C4H7F3
    D) C4H8O2
    E) C4H10O

    answer is C. I remembered that FON can hydrogen bond, so why can't C?

    7) Which of the following cmps may be classified as a protic solvent?
    A) diethyl ether
    B) n-hexane
    C) acetone
    D) ethanol
    E) nitrobenzene

    answer is D. is this just knowing which things are protic and which aren't....i can't remember for my life.
     
  2. DesiDentist

    DesiDentist G. S. Khurana, DMD, MBA
    Moderator Emeritus Vendor 10+ Year Member

    Joined:
    Jul 21, 2001
    Messages:
    1,573
    Likes Received:
    2
    Status:
    Dentist

    Hope this helps. How did you do otherwise on the practice exam?

    DesiDentist
     
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  3. vixen

    vixen I like members
    10+ Year Member

    Joined:
    Oct 17, 2000
    Messages:
    5,760
    Likes Received:
    1
    yeah! thanks desi!!! :clap:
     
  4. Dentalstu02

    Dentalstu02 Member
    7+ Year Member

    Joined:
    Jun 24, 2002
    Messages:
    68
    Likes Received:
    0
    For #4,
    Think of it as a ratio, 300ml per (427-115)g. Or 300ml/312g. This value gives the milliliters per gram (look at the units). SO for 1000 grams (1 kilogram) we just multiply by 1000g. SO we get (1000)(300)/(312)
    I hope this makes sense...
     
  5. DesiDentist

    DesiDentist G. S. Khurana, DMD, MBA
    Moderator Emeritus Vendor 10+ Year Member

    Joined:
    Jul 21, 2001
    Messages:
    1,573
    Likes Received:
    2
    Status:
    Dentist
    Seema,

    I just got it. Planaria is a flat worm.

    DesiDentist
     
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  6. vixen

    vixen I like members
    10+ Year Member

    Joined:
    Oct 17, 2000
    Messages:
    5,760
    Likes Received:
    1
    thanks guys. :)
     

Share This Page