TLS Online TPP Program

#Question id: 4946


Although absolute distinctions between the ʺmost evolvedʺ protobiont and the first living cell are unclear, biologists generally agree that one major difference is that the typical protobiont could not

#SCPH28 | Zoology
  1. possess a selectively permeable membrane boundary.

  2. perform osmosis.

  3. grow in size.

  4. perform controlled, precise reproduction.

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TLS Online TPP Program

#Question id: 11074

#I Life Science/ Life Sciences Group – I-V

A 30-year-old woman performs a valsalva maneuver about 30 min after eating lunch. Which of the following best describes the changes in pulmonary and systemic blood volumes that occur in this woman?


TLS Online TPP Program

#Question id: 11074

#SCPH28 | Zoology

A 30-year-old woman performs a valsalva maneuver about 30 min after eating lunch. Which of the following best describes the changes in pulmonary and systemic blood volumes that occur in this woman?


TLS Online TPP Program

#Question id: 11075

#I Life Science/ Life Sciences Group – I-V

A 65-year-old man with emphysema due to 34 years of cigarette smoking is admitted to hospital due to dyspnea. With further tests the mean pulmonary arterial pressure is determined to be 45 mm Hg at rest. He is hypoxic (PO2 = 49 mm Hg), hypercapnic (85 mm Hg), and slightly acidotic. The cardiovascular and oxygen changes are due to which of the following?

TLS Online TPP Program

#Question id: 11075

#SCPH28 | Zoology

A 65-year-old man with emphysema due to 34 years of cigarette smoking is admitted to hospital due to dyspnea. With further tests the mean pulmonary arterial pressure is determined to be 45 mm Hg at rest. He is hypoxic (PO2 = 49 mm Hg), hypercapnic (85 mm Hg), and slightly acidotic. The cardiovascular and oxygen changes are due to which of the following?

TLS Online TPP Program

#Question id: 11076

#I Life Science/ Life Sciences Group – I-V

Which of the following will decrease pulmonary blood flow resistance?

TLS Online TPP Program

#Question id: 11076

#SCPH28 | Zoology

Which of the following will decrease pulmonary blood flow resistance?