TLS Online TPP Program

#Question id: 348


Sulfur is in the same column of the periodic table as oxygen, but has electronegativity similar to carbon. Compared to water molecules, molecules of H2S will ________.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. have greater cohesion to other molecules of H2S

  2. have a greater tendency to form hydrogen bonds with each other

  3. have a higher capacity to absorb heat for the same change in temperature

  4. not form hydrogen bonds with each other

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TLS Online TPP Program

#Question id: 10969

#Unit 7. System Physiology – Animal

Which of the following will result in a transfusion reaction? Assume that the patient has never had a transfusion.

TLS Online TPP Program

#Question id: 10970

#Unit 7. System Physiology – Animal

A mother of blood type A+ who has always been perfectly healthy just delivered her second child. The father is of blood group O−. Knowing that the child is of blood group O− (O, Rh−), what would you expect to find in this child?

TLS Online TPP Program

#Question id: 10971

#Unit 7. System Physiology – Animal

A pregnant woman comes in for a visit. She is AB Rh− and her husband is A Rh+. This is her first child. What should be done at this time?

TLS Online TPP Program

#Question id: 10972

#Unit 7. System Physiology – Animal

What is the proper pathway for the extrinsic clotting pathway?

TLS Online TPP Program

#Question id: 10973

#Unit 7. System Physiology – Animal

An 11-year-old premenstrual female presents with a painful knee after mild trauma. Upon further evaluation you observe soft tissue bruises. The child is an orphan and there is no family history. The foster mother reports no other problems. The aPTT is prolonged and the PT is normal. A complete hematologic workup would yield

TLS Online TPP Program

#Question id: 10975

#Unit 7. System Physiology – Animal

A teenaged boy with numerous nosebleeds was referred to a physician for evaluation prior to a minor surgery. His prothrombin time (PT) was 11 sec (11–15 sec normal), partial thromboplastin time (PTT) was 58 sec (25–40 sec normal), and bleeding time was 6.5 min (2–7 min normal). Which of the following is most likely abnormal in this young man?