How are the phospholipids arranged to form the plasma membrane?
Single layer with hydrophilic heads outward
Double layer with hydrophobic tails facing inward toward each other
Double layer with hydrophilic heads facing inward toward each other
Double layer with phospholipids on the outside and proteins on the inside
Double layer with hydrophobic tails facing inward toward each other
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Which membrane lines the abdominal cavity?
A. Parietal peritoneum B. Parietal pericardium C. Visceral peritoneum D. Parietal pleura
The plasma membrane is selectively permeable. This means
A. substances need permission to pass through it. B. ATP is always needed to move molecules across the plasma membrane. C. substances need carrier molecules to pass through it. D. only gases and water can pass through it. E. only certain substances can pass through it.
Which of the following statements is true of both bone and cartilage?
a. They both contain more intercellular matrix than cells. b. Both bone and cartilage cells are supplied with food and oxygen through canaliculi. c. Both bone and cartilage cells are located in lacunae. d. Both A and C are true.
Which of the following statements regarding orotracheal intubation is correct?
A) Orotracheal intubation should be performed on any patient who is apneic. B) Orotracheal intubation is the most common method of performing ET intubation. C) You cannot perform orotracheal intubation on patients who are breathing. D) Orotracheal intubation is most commonly performed without a laryngoscope.